Institute of Experimental Mineralogy
                 Russian Academy of Sciences
     -------------------------------------------------
           142432, Chernogolovka, Moscow district
             A.V. Chichagov  +7(496)52-22320

                            ***

          ***      W W W - X R A Y P O L       ***
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HYDROROMARCHITE

1, syn, f-hydroromarchite

Sn(3)O(2)(OH)(2)


Tetragonal  P 4(-)2c  Z = 4

P4(-)2c

22 .9 .8

Ref.Str.:

         Abrahams I., Grimes S.M., Johnston S.R., Knowles J.C. (1996)

         * Acta Cryst., C52, 286-288

         R: N.A.D.

                   Initial data from BDM-file 

   Lattice parameters (cub. angs.,degr.):

             a =   7.9268   alpha =   90.0 
             b =   7.9268   beta  =   90.0 
             c =   9.1025   gamma =   90.0 

    Unit cell volume (cub. angs.) =   571.95

    Molar volume ( cub.cm/mol.) =    86.13

  Co-ordinates, thermal parameters, occupation for atomic positions:

NoP   x/a     y/b     z/c    B(j)   atom  / occupation

   1 0.1218  0.2917  0.9962   0.0    Sn    = 1.00
   2 0.0     0.0     0.2757   0.0    Sn    = 1.00
   3 0.9026  0.1945  0.1277   0.0    O     = 1.00
   4 0.2606  0.09    0.173    0.0    OH    = 1.00


  Co-ordinates for all atomic positions :

   No       NoP      x/a        y/b       z/c 

     1       1     0.1218     0.2917     0.9962
     2       2     0.0        0.0        0.2757
     3       3     0.9026     0.1945     0.1277
     4       4     0.2606     0.09       0.173 
     5       1     0.2917     0.8782     0.0038
     6       1     0.8782     0.7083     0.9962
     7       1     0.7083     0.1218     0.0038
     8       2     0.0        0.0        0.7243
     9       3     0.1945     0.0974     0.8723
    10       3     0.0974     0.8055     0.1277
    11       3     0.8055     0.9026     0.8723
    12       4     0.09       0.7394     0.827 
    13       4     0.7394     0.91       0.173 
    14       4     0.91       0.2606     0.827 
    15       1     0.8782     0.2917     0.5038
    16       2     0.0        0.0        0.2243
    17       3     0.0974     0.1945     0.3723
    18       4     0.7394     0.09       0.327 
    19       1     0.7083     0.8782     0.4962
    20       1     0.1218     0.7083     0.5038
    21       1     0.2917     0.1218     0.4962
    22       2     0.0        0.0        0.7757
    23       3     0.8055     0.0974     0.6277
    24       3     0.9026     0.8055     0.3723
    25       3     0.1945     0.9026     0.6277
    26       4     0.91       0.7394     0.673 
    27       4     0.2606     0.91       0.327 
    28       4     0.09       0.2606     0.673 


X-ray density (g/cm cub.)   =      4.9 

MU (1/cm) =    1067.06     Mass attenuation coefficient (cm**2/g) =    217.761

 Selected interatomic distances (cation-anion,anion-anion):

 NoP    Atom              Rad.sph.      C.N.    Distance     NoP N.
                           (angs.)               (angs.)

    1    Sn                  2.904        4
                                                 2.2462       3
                                                 2.5213       4
                                                 1.994        3
                                                 2.2916       4
    2    Sn                  2.904        8
                                                 2.1881       3
                                                 2.377        4
                                                 2.1881       3
                                                 2.377        4
                                                 1.9355       3
                                                 2.2348       4
                                                 1.9355       3
                                                 2.2348       4
    3    O                   3.312        5
                                                 2.9848       4
                                                 2.6324       4
                                                 2.7874       4
                                                 2.7095       3
                                                 2.3771       4
    4    OH                  3.36         5
                                                 2.9848       3
                                                 2.7874       3
                                                 2.6324       3
                                                 2.3771       3
                                                 2.0002       4

  X-ray diffraction powder data (II),  X-Ray W.L. =   1.54056(angs.):

  No   H   K   L   Theta 2*Theta    S       LPG   MF        F          I int.
                    ( degree )                                         *100

    1   1   0   0  5.576  11.153   0.063  208.83    4      342.0    29867.5
    2   1   0   1  7.403  14.807   0.084  117.5     8       18.3       96.6
    3   1   1   0  7.899  15.798   0.089  102.95    4      130.7     2150.3
    4   0   0   2  9.744  19.488   0.11    66.9     2      157.2     1010.2
    5   2   0   0 11.207  22.413   0.126   50.06    4        3.7        0.9
    6   1   0   2 11.254  22.508   0.127   49.62    8      100.1     1215.9
    7   2   0   1 12.238  24.476   0.138   41.64    8       16.1       26.5
    8   2   1   0 12.55   25.1     0.141   39.49    8       27.1       71.2
    9   1   1   2 12.592  25.185   0.142   39.21    8      230.4     5088.9
   10   2   1   1 13.485  26.969   0.151   33.93   16      205.1     6980.3
   11   2   0   2 14.934  29.869   0.167   27.3     8      290.4     5629.7
   12   1   0   3 15.773  31.547   0.176   24.28    8        1.3        0.1
   13   2   2   0 15.953  31.906   0.178   23.69    4      121.3      426.2
   14   2   1   2 15.987  31.975   0.179   23.58   16      250.7     7247.4
   15   3   0   0 16.949  33.898   0.189   20.78    4      145.8      540.0
   16   3   0   1 17.671  35.343   0.197   18.97    8       21.8       22.0
   17   3   1   0 17.896  35.792   0.199   18.45    8      256.4     2966.6
   18   3   1   1 18.586  37.172   0.207   16.98   16      159.4     2109.8
   19   2   0   3 18.646  37.292   0.208   16.86    8        9.9        4.0
   20   2   2   2 18.831  37.662   0.21    16.5     8      152.2      934.5
   21   2   1   3 19.522  39.043   0.217   15.23   16      234.3     4090.9
   22   3   0   2 19.7    39.399   0.219   14.93    8      141.4      730.3
   23   0   0   4 19.785  39.57    0.22    14.79    2      377.7     1290.0
   24   3   2   0 20.51   41.019   0.227   13.65    8      249.9     2084.1
   25   3   1   2 20.537  41.075   0.228   13.61   16       43.2      124.5
   26   1   0   4 20.62   41.239   0.229   13.49    8      164.2      889.1
   27   3   2   1 21.127  42.255   0.234   12.77   16       28.4       50.4
   28   1   1   4 21.428  42.855   0.237   12.37    8       66.5      133.9
   29   3   0   3 22.741  45.482   0.251   10.82    8       21.7       12.5
   30   4   0   0 22.873  45.747   0.252   10.68    4       69.7       63.4
   31   3   2   2 22.899  45.797   0.253   10.66   16       54.9      157.3
   32   2   0   4 22.974  45.949   0.253   10.58    8        8.6        1.9
   33   4   0   1 23.441  46.882   0.258   10.11    8       19.3        9.2
   34   3   1   3 23.49   46.981   0.259   10.06   16      223.8     2463.5
   35   4   1   0 23.619  47.239   0.26     9.93    8      252.0     1543.0
   36   2   1   4 23.718  47.436   0.261    9.84   16       45.3       98.9
   37   4   1   1 24.173  48.347   0.266    9.42   16       96.9      432.9
   38   3   3   0 24.348  48.696   0.268    9.27    4       16.4        3.0
   39   4   0   2 25.084  50.168   0.275    8.66    8      210.9      942.8
   40   3   2   3 25.637  51.275   0.281    8.24   16       74.7      224.7
   41   1   0   5 25.73   51.46    0.282    8.18    8       11.0        2.4
   42   4   2   0 25.758  51.517   0.282    8.16    8      297.9     1769.9
   43   4   1   2 25.781  51.563   0.282    8.14   16       56.1      125.3
   44   2   2   4 25.851  51.701   0.283    8.09    8      119.6      282.9
   45   4   2   1 26.279  52.557   0.287    7.79   16      141.3      760.7
   46   3   3   2 26.466  52.931   0.289    7.67    8      265.5     1322.3
   47   3   0   4 26.534  53.067   0.29     7.62    8      137.4      352.1
   48   3   1   4 27.205  54.409   0.297    7.2    16      218.4     1680.2
   49   4   0   3 27.662  55.324   0.301    6.93    8        1.2        0.0
   50   2   0   5 27.75   55.5     0.302    6.88    8       11.3        2.2
   51   4   2   2 27.799  55.598   0.303    6.86   16       19.8       13.2
   52   4   1   3 28.315  56.63    0.308    6.58   16       47.7       73.1
   53   2   1   5 28.401  56.803   0.309    6.53   16      173.5      961.9
   54   4   3   0 29.07   58.139   0.315    6.2     8        0.9        0.0
   55   5   0   0 29.07   58.139   0.315    6.2     4      120.7      110.5
   56   3   2   4 29.155  58.309   0.316    6.16   16      191.8     1108.2
   57   4   3   1 29.55   59.1     0.32     5.97   16       94.8      262.6
   58   5   0   1 29.55   59.1     0.32     5.97    8       14.2        2.9
   59   5   1   0 29.702  59.405   0.322    5.9     8       71.6       74.0
   60   5   1   1 30.177  60.353   0.326    5.7    16      107.6      322.8
   61   4   2   3 30.218  60.436   0.327    5.68   16      110.5      339.4
   62   0   0   6 30.513  61.026   0.33     5.56    2      220.0      164.4
   63   3   0   5 30.919  61.837   0.334    5.4     8       11.0        1.6
   64   4   3   2 30.964  61.929   0.334    5.38   16      259.9     1778.3
   65   5   0   2 30.964  61.929   0.334    5.38    8      343.5     1553.0
   66   4   0   4 31.026  62.052   0.335    5.36    8       47.0       29.0
   67   1   0   6 31.128  62.256   0.336    5.32    8        1.4        0.0
   68   3   1   5 31.529  63.058   0.339    5.17   16      154.1      600.6
   69   5   2   0 31.554  63.108   0.34     5.16    8      241.2      734.2
   70   5   1   2 31.574  63.148   0.34     5.15   16      187.6      887.8
   71   4   1   4 31.635  63.27    0.34     5.13   16      183.1      842.0
   72   1   1   6 31.736  63.472   0.341    5.1     8      123.0      188.5
   73   5   2   1 32.012  64.024   0.344    5.0    16       16.3        6.5
   74   3   3   4 32.237  64.475   0.346    4.93    8       45.0       24.4
   75   2   0   6 32.933  65.867   0.353    4.7     8      185.7      396.8
   76   4   3   3 33.243  66.487   0.356    4.61   16       97.9      216.0
   77   5   0   3 33.243  66.487   0.356    4.61    8       21.3        5.1
   78   3   2   5 33.322  66.645   0.357    4.59   16       46.7       48.9
   79   4   4   0 33.346  66.693   0.357    4.58    4       20.2        2.3
   80   5   2   2 33.366  66.732   0.357    4.58   16       47.8       51.2
   81   4   2   4 33.425  66.85    0.358    4.56   16      199.9      891.0
   82   2   1   6 33.523  67.047   0.358    4.53   16      164.5      599.3
   83   5   1   3 33.831  67.662   0.361    4.44   16      102.2      227.3
   84   5   3   0 34.515  69.029   0.368    4.26    8      143.2      213.8
   85   5   3   1 34.953  69.906   0.372    4.16   16       41.8       35.4
   86   4   0   5 35.068  70.137   0.373    4.13    8       15.8        2.5
   87   4   4   2 35.111  70.222   0.373    4.12    8      233.2      547.7
   88   2   2   6 35.265  70.53    0.375    4.08    8       96.1       92.2
   89   5   2   3 35.565  71.13    0.378    4.01   16        2.4        0.1
   90   4   1   5 35.642  71.283   0.378    4.0    16       59.7       69.8
   91   6   0   0 35.665  71.33    0.378    3.99    4       79.4       30.8
   92   3   0   6 35.837  71.673   0.38     3.95    8       64.9       40.7
   93   6   0   1 36.097  72.194   0.382    3.9     8       11.7        1.3
   94   6   1   0 36.234  72.468   0.384    3.87    8      118.8      133.5
   95   5   3   2 36.253  72.506   0.384    3.87   16      104.2      205.2
   96   4   3   4 36.31   72.62    0.384    3.85   16       35.4       23.6
   97   5   0   4 36.31   72.62    0.384    3.85    8      108.4      110.7
   98   3   1   6 36.405  72.81    0.385    3.84   16       15.4        4.4
   99   6   1   1 36.663  73.327   0.388    3.78   16       28.5       15.0
  100   5   1   4 36.875  73.751   0.39     3.74   16       32.4       19.3
  101   1   0   7 36.89   73.78    0.39     3.74    8       34.7       11.0
  102   4   2   5 37.339  74.678   0.394    3.66   16       96.3      165.8
  103   6   0   2 37.381  74.762   0.394    3.65    8      115.3      118.7
  104   6   2   0 37.922  75.843   0.399    3.56    8      149.5      194.4
  105   6   1   2 37.94   75.881   0.399    3.55   16      105.0      191.5
  106   3   2   6 38.089  76.179   0.4      3.53   16       18.3        5.8
  107   6   2   1 38.344  76.688   0.403    3.49   16      186.0      590.2
  108   5   3   3 38.381  76.762   0.403    3.48   16       25.0       10.7
  109   5   4   0 38.478  76.957   0.404    3.47    8      167.7      238.5
  110   5   2   4 38.553  77.105   0.405    3.46   16      153.8      399.7
  111   2   0   7 38.567  77.134   0.405    3.45    8       42.8       15.5
  112   5   4   1 38.899  77.798   0.408    3.4    16       67.2       75.2
  113   2   1   7 39.121  78.241   0.41     3.37   16      147.5      358.7
  114   6   0   3 39.488  78.976   0.413    3.32    8        9.8        0.8
  115   6   2   2 39.603  79.206   0.414    3.31   16      103.3      172.6
  116   4   0   6 39.75   79.5     0.415    3.29    8      120.9      117.5
  117   6   1   3 40.038  80.076   0.418    3.25   16       40.1       25.6
  118   4   3   5 40.112  80.223   0.418    3.24   16       69.1       75.6
  119   5   0   5 40.112  80.223   0.418    3.24    8        9.5        0.7
  120   5   4   2 40.153  80.305   0.419    3.24   16       40.5       25.9
  121   4   4   4 40.208  80.415   0.419    3.23    8       15.8        2.0
  122   4   1   6 40.299  80.599   0.42     3.22   16       17.0        4.6
  123   5   1   5 40.66   81.32    0.423    3.18   16       87.9      120.1
  124   6   3   0 40.682  81.365   0.423    3.17    8      112.0       97.3
  125   3   3   6 40.847  81.694   0.425    3.15    8      172.7      230.1
  126   6   3   1 41.097  82.194   0.427    3.13   16      168.5      434.4
  127   5   3   4 41.302  82.603   0.428    3.11   16       97.1      143.2
  128   3   0   7 41.316  82.632   0.429    3.1     8       25.5        4.9
  129   6   2   3 41.679  83.357   0.432    3.07   16      165.4      410.8
  130   3   1   7 41.861  83.721   0.433    3.05   16      121.8      221.5
  131   4   2   6 41.938  83.875   0.434    3.04   16       50.7       38.3
  132   5   4   3 42.223  84.446   0.436    3.02   16       72.7       77.9
  133   5   2   5 42.295  84.591   0.437    3.01   16       15.3        3.5
  134   6   3   2 42.336  84.672   0.437    3.01   16      117.8      204.1
  135   6   0   4 42.39   84.781   0.438    3.0     8       88.6       57.6
  136   0   0   8 42.608  85.217   0.439    2.99    2      258.5      122.0
  137   7   0   0 42.861  85.722   0.442    2.96    4      275.1      274.4
  138   6   1   4 42.933  85.867   0.442    2.96   16       97.7      138.1
  139   1   0   8 43.151  86.302   0.444    2.94    8       88.1       55.9
  140   7   0   1 43.272  86.544   0.445    2.93    8       13.7        1.3
  141   5   5   0 43.403  86.806   0.446    2.92    4      265.1      251.4
  142   7   1   0 43.403  86.806   0.446    2.92    8      169.9      206.5
  143   3   2   7 43.489  86.979   0.447    2.92   16       28.9       11.9
  144   1   1   8 43.693  87.385   0.448    2.9     8       22.5        3.6
  145   7   1   1 43.814  87.627   0.449    2.9    16       95.6      129.5
  146   6   3   3 44.391  88.782   0.454    2.86   16      162.4      368.9
  147   6   4   0 44.486  88.972   0.455    2.86    8       94.5       62.4
  148   7   0   2 44.504  89.008   0.455    2.85    8       70.0       34.2
  149   6   2   4 44.558  89.116   0.455    2.85   16       89.3      111.2
  150   4   3   6 44.649  89.297   0.456    2.85   16      179.3      447.6
  151   5   0   6 44.649  89.297   0.456    2.85    8      265.9      492.3
  152   2   0   8 44.775  89.551   0.457    2.84    8       59.0       24.2
  153   6   4   1 44.896  89.792   0.458    2.83   16       88.1      107.5


  X-ray diffraction powder data (I)...X-Ray wave length =  1.54056 (angs.):

  No   H   K   L   Theta 2*Theta    d           I int   I int.n.  I p.h.n.   H(Si)
                    ( degree )   (angstrem)     *100                         *100

    1   1   0   0   5.576  11.153  7.9268     29867.5    100.0    100.0     5.6
    2   1   1   0   7.899  15.798  5.60509     2150.3      7.2      7.2     5.6
    3   0   0   2   9.744  19.488  4.55125     1010.2      3.4      3.4     5.6
    4   1   0   2  11.254  22.508  3.94694     1215.9      4.1      4.0     5.6
    5   1   1   2  12.592  25.185  3.53318     5088.9     17.0     16.9     5.6
    6   2   1   1  13.485  26.969  3.3033      6980.3     23.4     23.1     5.6
    7   2   0   2  14.934  29.869  2.98892     5629.7     18.8     18.6     5.6
    8   2   2   0  15.953  31.906  2.80255      426.2      1.4      1.4     5.6
    9   2   1   2  15.987  31.975  2.79671     7247.4     24.3     23.9     5.6
   10   3   0   0  16.949  33.898  2.64227      540.0      1.8      1.8     5.7
   11   3   1   0  17.896  35.792  2.50667     2966.6      9.9      9.8     5.7
   12   3   1   1  18.586  37.172  2.41671     2109.8      7.1      6.9     5.7
   13   2   2   2  18.831  37.662  2.3864       934.5      3.1      3.1     5.7
   14   2   1   3  19.522  39.043  2.30512     4090.9     13.7     13.4     5.7
   15   3   0   2  19.7    39.399  2.28509      730.3      2.4      2.4     5.7
   16   0   0   4  19.785  39.57   2.27562     1290.0      4.3      4.2     5.7
   17   3   2   0  20.51   41.019  2.1985      2208.6      7.4      7.2     5.7
   18   1   0   4  20.62   41.239  2.18728      889.1      3.0      2.9     5.7
   19   3   1   3  23.49   46.981  1.93249     2463.5      8.2      8.0     5.7
   20   4   1   0  23.619  47.239  1.92253     1543.0      5.2      5.0     5.7
   21   4   1   1  24.173  48.347  1.88103      432.9      1.4      1.4     5.7
   22   4   0   2  25.084  50.168  1.81693      942.8      3.2      3.1     5.7
   23   4   2   0  25.758  51.517  1.77249     1897.6      6.4      6.1     5.8
   24   4   2   1  26.279  52.557  1.73981      760.7      2.5      2.5     5.8
   25   3   3   2  26.466  52.931  1.72839     1322.3      4.4      4.3     5.8
   26   3   0   4  26.534  53.067  1.72429      352.1      1.2      1.1     5.8
   27   3   1   4  27.205  54.409  1.68489     1680.2      5.6      5.4     5.8
   28   2   1   5  28.401  56.803  1.61944      961.9      3.2      3.1     5.8
   29   3   2   4  29.155  58.309  1.58114     1108.2      3.7      3.6     5.8
   30   5   1   1  30.177  60.353  1.53239      322.8      1.1      1.0     5.8
   31   4   2   3  30.218  60.436  1.53047      339.4      1.1      1.1     5.8
   32   4   3   2  30.964  61.929  1.49713     3331.3     11.2     10.6     5.8
   33   5   2   0  31.554  63.108  1.47197     2222.6      7.4      7.1     5.9
   34   4   1   4  31.635  63.27   1.46859      842.0      2.8      2.7     5.9
   35   2   0   6  32.933  65.867  1.41684      396.8      1.3      1.3     5.9
   36   4   2   4  33.425  66.85   1.39835      891.0      3.0      2.8     5.9
   37   2   1   6  33.523  67.047  1.39473      599.3      2.0      1.9     5.9
   38   4   4   2  35.111  70.222  1.33923      547.7      1.8      1.7     5.9
   39   5   3   2  36.253  72.506  1.30257      338.7      1.1      1.1     5.9
   40   6   2   0  37.922  75.843  1.25334      385.9      1.3      1.2     6.0
   41   6   2   1  38.344  76.688  1.24162      590.2      2.0      1.8     6.0
   42   5   2   4  38.553  77.105  1.23594      415.2      1.4      1.3     6.0
   43   2   1   7  39.121  78.241  1.22082      358.7      1.2      1.1     6.0
   44   6   3   1  41.097  82.194  1.17182      434.4      1.5      1.3     6.1
   45   6   2   3  41.679  83.357  1.1584       410.8      1.4      1.3     6.1
   46   5   5   0  43.403  86.806  1.12102      457.9      1.5      1.4     6.1
   47   6   3   3  44.391  88.782  1.1011       368.9      1.2      1.1     6.2
   48   5   0   6  44.649  89.297  1.09608      939.9      3.1      2.8     6.2

Reference:
Chichagov A.V. et al.
Information-Calculating System on Crystal Structure Data of Minerals
(MINCRYST)
- Kristallographiya, v.35, n.3, 1990, p.610-616 (in Russian)