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

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

3, syn, at 566'K, f-dreyerite

BiVO(4)


Tetragonal  * I4(1)/a  Z = 4

*I4(1)/a

18 .2 .11

Ref.Str.:

         Sleight A.W., Chen H-Y., Ferretti A., Cox D.E. (1979)

         * Materials Research Bull., 14, 1571-1581

         R: N.A.D.

                   Initial data from BDM-file 

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

             a =   5.147    alpha =   90.0 
             b =   5.147    beta  =   90.0 
             c =  11.7216   gamma =   90.0 

    Unit cell volume (cub. angs.) =   310.52

    Molar volume ( cub.cm/mol.) =    46.76

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

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

   1 0.0     0.25    0.625    0.0    Bi    = 1.00
   2 0.0     0.25    0.125    0.0    V     = 1.00
   3 0.1375  0.4985  0.2034   0.0    O     = 1.00


  Co-ordinates for all atomic positions :

   No       NoP      x/a        y/b       z/c 

     1       1     0.0        0.25       0.625 
     2       2     0.0        0.25       0.125 
     3       3     0.1375     0.4985     0.2034
     4       1     0.0        0.75       0.375 
     5       2     0.0        0.75       0.875 
     6       3     0.8625     0.5015     0.7966
     7       1     0.5        0.25       0.875 
     8       2     0.5        0.25       0.375 
     9       3     0.3625     0.0015     0.2966
    10       1     0.5        0.75       0.125 
    11       2     0.5        0.75       0.625 
    12       3     0.6375     0.9985     0.7034
    13       3     0.2515     0.3875     0.4534
    14       3     0.3625     0.5015     0.7034
    15       3     0.2485     0.6125     0.9534
    16       3     0.2485     0.1125     0.0466
    17       3     0.6375     0.4985     0.2966
    18       3     0.2515     0.8875     0.5466
    19       3     0.7485     0.6125     0.5466
    20       3     0.1375     0.9985     0.7966
    21       3     0.7515     0.3875     0.0466
    22       3     0.7515     0.8875     0.9534
    23       3     0.8625     0.0015     0.2034
    24       3     0.7485     0.1125     0.4534


X-ray density (g/cm cub.)   =      6.93

MU (1/cm) =    1342.019    Mass attenuation coefficient (cm**2/g) =    193.755

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

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

    1    Bi                  3.072        8
                                                 2.4945       3
                                                 2.4498       3
                                                 2.4945       3
                                                 2.4498       3
                                                 2.4498       3
                                                 2.4498       3
                                                 2.4945       3
                                                 2.4945       3
    2    V                   2.496        4
                                                 1.7266       3
                                                 1.7266       3
                                                 1.7266       3
                                                 1.7266       3
    3    O                   3.264       10
                                                 3.0393       3
                                                 3.013        3
                                                 3.0427       3
                                                 3.0427       3
                                                 2.7662       3
                                                 2.7958       3
                                                 2.7958       3
                                                 2.7662       3
                                                 2.9506       3
                                                 2.9235       3

  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   1  9.407  18.814   0.106   71.94    8      147.1    12913.3
    2   1   0   3 14.33   28.661   0.161   29.82    8      123.2     3754.3
    3   1   1   2 14.426  28.852   0.162   29.4     8      340.2    28223.1
    4   0   0   4 15.24   30.479   0.171   26.14    2      297.8     4809.3
    5   2   0   0 17.416  34.833   0.194   19.58    4      273.5     6074.9
    6   2   0   2 19.081  38.161   0.212   16.02    8       30.7      125.6
    7   1   1   4 19.723  39.446   0.219   14.89    8       60.0      444.7
    8   1   2   1 19.94   39.88    0.221   14.53    8      104.9     1326.1
    9   2   1   1 19.94   39.88    0.221   14.53    8      184.9     4124.1
   10   1   0   5 21.165  42.329   0.234   12.72    8      161.1     2737.9
   11   1   2   3 22.855  45.709   0.252   10.7     8      175.7     2742.3
   12   2   1   3 22.855  45.709   0.252   10.7     8      126.2     1414.3
   13   2   0   4 23.475  46.95    0.259   10.07    8      318.9     8497.5
   14   2   2   0 25.043  50.085   0.275    8.7     4      306.9     3398.0
   15   2   2   2 26.31   52.62    0.288    7.77    8        1.1        0.1
   16   1   1   6 26.583  53.167   0.29     7.59    8      289.3     5270.3
   17   3   0   1 26.985  53.969   0.295    7.34    8      134.4     1099.9
   18   1   2   5 27.968  55.937   0.304    6.76    8      105.7      626.6
   19   2   1   5 27.968  55.937   0.304    6.76    8       99.7      558.0
   20   1   0   7 28.93   57.859   0.314    6.26    8      140.8     1030.9
   21   3   0   3 29.363  58.727   0.318    6.06    8      141.8     1010.3
   22   1   3   2 29.417  58.834   0.319    6.03    8      300.7     4525.7
   23   3   1   2 29.417  58.834   0.319    6.03    8      256.5     3292.0
   24   2   0   6 29.671  59.343   0.321    5.92    8        4.8        1.1
   25   2   2   4 29.885  59.771   0.323    5.82    8      273.6     3615.6
   26   0   0   8 31.717  63.433   0.341    5.1     2      230.2      560.8
   27   1   3   4 32.776  65.552   0.351    4.75    8        5.9        1.4
   28   3   1   4 32.776  65.552   0.351    4.75    8        6.4        1.6
   29   2   3   1 32.928  65.855   0.353    4.71    8       83.5      272.1
   30   3   2   1 32.928  65.855   0.353    4.71    8      136.7      730.0
   31   3   0   5 33.804  67.608   0.361    4.45    8       92.7      317.7
   32   1   1   8 34.522  69.044   0.368    4.26    8       29.3       30.3
   33   1   2   7 34.67   69.34    0.369    4.23    8      111.4      434.9
   34   2   1   7 34.67   69.34    0.369    4.23    8       87.7      269.9
   35   2   3   3 35.063  70.126   0.373    4.13    8      113.7      443.0
   36   3   2   3 35.063  70.126   0.373    4.13    8       80.8      223.5
   37   2   2   6 35.344  70.687   0.375    4.06    8        0.2        0.0
   38   4   0   0 36.771  73.543   0.389    3.76    4      255.1     1015.7
   39   2   0   8 37.225  74.451   0.393    3.68    8      272.6     2267.3
   40   1   0   9 37.595  75.189   0.396    3.61    8      104.0      324.2
   41   4   0   2 37.798  75.596   0.398    3.58    8       40.0       47.5
   42   1   3   6 38.023  76.046   0.4      3.54    8      219.8     1418.6
   43   3   1   6 38.023  76.046   0.4      3.54    8      281.5     2327.2
   44   1   4   1 38.355  76.711   0.403    3.49    8      113.4      371.9
   45   4   1   1 38.355  76.711   0.403    3.49    8       99.4      286.0
   46   2   3   5 39.18   78.36    0.41     3.36    8      132.8      492.0
   47   3   2   5 39.18   78.36    0.41     3.36    8      127.3      452.2
   48   3   0   7 40.0    80.0     0.417    3.25    8       91.0      223.7
   49   1   4   3 40.374  80.748   0.42     3.21    8       91.8      224.5
   50   4   1   3 40.374  80.748   0.42     3.21    8      102.0      276.8
   51   3   3   2 40.421  80.842   0.421    3.2     8      243.6     1577.1
   52   4   0   4 40.828  81.656   0.424    3.16    8      241.4     1526.4
   53   2   4   0 42.012  84.023   0.434    3.04    4      257.0      832.3
   54   4   2   0 42.012  84.023   0.434    3.04    4      255.6      823.2
   55   2   2   8 42.45   84.9     0.438    3.0     8      232.6     1346.0
   56   1   2   9 42.808  85.616   0.441    2.97    8      132.1      429.9
   57   2   1   9 42.808  85.616   0.441    2.97    8       93.9      217.3
   58   2   4   2 43.005  86.01    0.443    2.95    8       19.4        9.2
   59   4   2   2 43.005  86.01    0.443    2.95    8       20.9       10.7
   60   3   3   4 43.409  86.817   0.446    2.92    8       20.8       10.5
   61   1   1  10 43.661  87.322   0.448    2.91    8      234.3     1324.2
   62   1   4   5 44.353  88.706   0.454    2.86    8      118.2      332.2
   63   4   1   5 44.353  88.706   0.454    2.86    8      118.4      333.2


  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   1   9.407  18.814  4.71268    12913.3     45.8     46.1     5.6
    2   1   0   3  14.33   28.661  3.11208     3754.3     13.3     13.3     5.6
    3   1   1   2  14.426  28.852  3.09184    28223.1    100.0    100.0     5.6
    4   0   0   4  15.24   30.479  2.9304      4809.3     17.0     17.0     5.6
    5   2   0   0  17.416  34.833  2.5735      6074.9     21.5     21.4     5.7
    6   1   1   4  19.723  39.446  2.28249      444.7      1.6      1.6     5.7
    7   2   1   1  19.94   39.88   2.25867     5450.3     19.3     19.1     5.7
    8   1   0   5  21.165  42.329  2.13344     2737.9      9.7      9.6     5.7
    9   1   2   3  22.855  45.709  1.98324     4156.6     14.7     14.5     5.7
   10   2   0   4  23.475  46.95   1.93368     8497.5     30.1     29.6     5.7
   11   2   2   0  25.043  50.085  1.81974     3398.0     12.0     11.8     5.7
   12   1   1   6  26.583  53.167  1.72129     5270.3     18.7     18.2     5.8
   13   3   0   1  26.985  53.969  1.69758     1099.9      3.9      3.8     5.8
   14   1   2   5  27.968  55.937  1.64245     1184.6      4.2      4.1     5.8
   15   1   0   7  28.93   57.859  1.59236     1030.9      3.7      3.5     5.8
   16   3   0   3  29.363  58.727  1.57089     1010.3      3.6      3.5     5.8
   17   1   3   2  29.417  58.834  1.56827     7817.7     27.7     26.8     5.8
   18   2   2   4  29.885  59.771  1.54592     3615.6     12.8     12.4     5.8
   19   0   0   8  31.717  63.433  1.4652       560.8      2.0      1.9     5.9
   20   3   2   1  32.928  65.855  1.41705     1002.2      3.6      3.4     5.9
   21   3   0   5  33.804  67.608  1.38451      317.7      1.1      1.1     5.9
   22   1   2   7  34.67   69.34   1.35411      704.8      2.5      2.4     5.9
   23   2   3   3  35.063  70.126  1.34083      666.5      2.4      2.2     5.9
   24   4   0   0  36.771  73.543  1.28675     1015.7      3.6      3.4     6.0
   25   2   0   8  37.225  74.451  1.27329     2267.3      8.0      7.6     6.0
   26   1   0   9  37.595  75.189  1.26261      324.2      1.1      1.1     6.0
   27   3   1   6  38.023  76.046  1.25049     3745.8     13.3     12.5     6.0
   28   1   4   1  38.355  76.711  1.24131      657.9      2.3      2.2     6.0
   29   2   3   5  39.18   78.36   1.21926      944.2      3.3      3.1     6.0
   30   4   1   3  40.374  80.748  1.18911      501.3      1.8      1.7     6.1
   31   3   3   2  40.421  80.842  1.18798     1577.1      5.6      5.2     6.1
   32   4   0   4  40.828  81.656  1.17817     1526.4      5.4      5.0     6.1
   33   2   4   0  42.012  84.023  1.1509      1655.5      5.9      5.4     6.1
   34   2   2   8  42.45   84.9    1.14124     1346.0      4.8      4.4     6.1
   35   1   2   9  42.808  85.616  1.13353      647.1      2.3      2.1     6.1
   36   1   1  10  43.661  87.322  1.11572     1324.2      4.7      4.3     6.2
   37   4   1   5  44.353  88.706  1.10185      665.4      2.4      2.1     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)