O31 P6 Rb6 V6
      Benhamada L, Grandin A, Borel M, Leclaire A, Raveau B
      Journal of Solid State Chemistry 94 (1991) 274-280
      A mixed valence vanadium phosphate with a tunnel structure:
      Rb6V6P6O31
      _cod_database_code 1001498
      _database_code_amcsd 0013720

      CELL PARAMETERS:    7.0656  13.4988  14.4198   90.000   90.000   90.000
      SPACE GROUP: Pnma      
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:   1375.319
      Density (g/cm3):      3.622
      MAX. ABS. INTENSITY / VOLUME**2:      13.29724019    
      RIR:      1.195
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                 8.97          2.36        9.8546    0   1   1         4
                12.28          2.74        7.2099    0   0   2         2
                13.96          3.15        6.3449    1   0   1         4
                15.43          1.86        5.7422    1   1   1         8
                17.57          4.61        5.0464    1   0   2         4
                18.00          1.80        4.9273    0   2   2         4
                19.20          1.35        4.6229    1   2   1         8
                19.60          6.76        4.5281    0   1   3         4
                21.99         16.05        4.0416    1   2   2         8
                23.33          4.14        3.8124    1   1   3         8
                24.25         25.24        3.6703    1   3   1         8
                25.97         31.18        3.4313    2   0   1         4
                26.02         56.19        3.4246    1   2   3         8
                26.07         13.40        3.4177    2   1   0         4
                26.41         13.31        3.3747    0   4   0         2
                26.54         13.98        3.3584    1   3   2         8
                27.78         37.57        3.2111    1   0   4         4
                28.06         83.83        3.1798    0   2   4         4
                28.13          3.86        3.1724    2   0   2         4
                28.52         25.35        3.1300    2   2   0         4
                28.57          4.26        3.1240    1   1   4         8
                28.91         25.64        3.0883    2   1   2         8
                29.20         58.72        3.0587    2   2   1         8
                29.22         18.98        3.0565    0   4   2         4
                29.99        100.00        2.9795    1   4   1         8
                30.00         13.13        2.9787    1   3   3         8
                30.84          4.19        2.8997    1   2   4         8
                31.15         19.90        2.8711    2   2   2         8
                31.43         14.23        2.8466    2   0   3         4
                31.73          4.02        2.8203    0   1   5         4
                31.90         51.37        2.8052    1   4   2         8
                32.14          6.79        2.7854    2   1   3         8
                32.82          3.24        2.7285    2   3   1         8
                33.56         29.04        2.6701    1   0   5         4
                34.23          2.76        2.6194    1   1   5         8
                34.31          1.52        2.6138    1   3   4         8
                34.59         18.46        2.5928    2   3   2         8
                34.88          5.53        2.5724    1   4   3         8
                35.58         10.33        2.5232    2   0   4         4
                36.16          6.00        2.4842    1   5   1         8
                36.22          1.28        2.4802    2   1   4         8
                36.47          6.49        2.4637    0   4   4         4
                36.83          1.91        2.4403    2   4   0         4
                37.02          6.95        2.4280    0   3   5         4
                37.38          4.48        2.4060    2   4   1         8
                37.42         10.73        2.4033    0   0   6         2
                38.71          3.74        2.3263    1   4   4         8
                39.33          8.48        2.2907    3   1   1         8
                39.61          2.57        2.2753    1   0   6         4
                39.82          7.49        2.2641    0   2   6         4
                40.19          1.84        2.2436    1   1   6         8
                40.28          6.00        2.2388    3   0   2         4
                40.37          4.78        2.2341    2   0   5         4
                40.86          1.63        2.2086    3   1   2         8
                41.01         11.74        2.2008    2   3   4         8
                41.07          2.10        2.1977    3   2   1         8
                41.50          5.27        2.1759    2   4   3         8
                42.07          7.22        2.1477    0   6   2         4
                42.54          4.27        2.1249    3   2   2         8
                42.61          1.59        2.1218    2   5   1         8
                42.63         15.21        2.1209    2   2   5         8
                43.21          4.60        2.0939    1   4   5         8
                43.30          3.10        2.0895    3   1   3         8
                43.84          1.49        2.0651    3   3   1         8
                44.04          1.11        2.0560    2   5   2         8
                44.07          2.85        2.0548    1   6   2         8
                44.85          5.89        2.0208    2   4   4         8
                44.91          5.95        2.0182    3   2   3         8
                45.24          1.32        2.0044    3   3   2         8
                45.66          5.94        1.9871    2   0   6         4
                45.89          1.62        1.9776    1   0   7         4
                46.03         13.50        1.9717    3   0   4         4
                46.05          6.32        1.9709    0   5   5         4
                46.38         13.94        1.9578    1   6   3         8
                46.38         12.06        1.9576    0   4   6         4
                46.40         13.34        1.9567    1   1   7         8
                46.55          6.03        1.9510    3   1   4         8
                47.50          5.01        1.9143    3   4   1         8
                47.50          2.60        1.9141    3   3   3         8
                47.57          1.92        1.9114    0   7   1         4
                47.65         15.25        1.9086    0   6   4         4
                48.07          3.58        1.8926    3   2   4         8
                48.38          6.16        1.8814    2   6   1         8
                48.82         10.05        1.8656    3   4   2         8
                48.89         20.97        1.8629    2   4   5         8
                49.44          2.73        1.8434    2   5   4         8
                49.68          1.05        1.8352    2   6   2         8
                50.00          1.43        1.8242    3   0   5         4
                50.19          5.67        1.8177    2   3   6         8
                50.49          4.07        1.8078    3   1   5         8
                51.75          2.02        1.7664    4   0   0         2
                51.91          5.55        1.7615    3   5   1         8
                52.17          3.94        1.7533    4   0   1         4
                52.55          2.14        1.7414    0   2   8         4
                52.64          1.71        1.7387    4   1   1         8
                53.23          2.49        1.7207    2   2   7         8
                53.24          1.26        1.7205    1   6   5         8
                53.40          2.49        1.7157    4   0   2         4
                53.52          6.89        1.7123    2   4   6         8
                53.72          2.87        1.7062    1   4   7         8
                54.04          1.92        1.6970    4   2   1         8
                54.25          3.03        1.6908    1   2   8         8
                54.26          1.24        1.6905    3   3   5         8
                54.37         18.59        1.6874    0   8   0         2
                55.24          7.61        1.6628    4   2   2         8
                55.53          1.58        1.6548    2   3   7         8
                55.79          5.84        1.6478    2   7   2         8
                55.99          3.86        1.6424    0   6   6         4
                56.16          1.68        1.6377    0   5   7         4
                56.52          1.90        1.6282    1   3   8         8
                57.21          1.78        1.6101    4   2   3         8
                57.60          5.81        1.6003    2   5   6         8
                57.75          2.88        1.5965    2   7   3         8
                57.92          1.37        1.5923    3   5   4         8
                57.96          1.86        1.5910    0   1   9         4
                58.01          1.43        1.5899    0   4   8         4
                58.13          7.14        1.5869    3   6   2         8
                58.20          1.49        1.5853    2   6   5         8
                58.65          5.81        1.5741    2   4   7         8
                59.09          1.17        1.5633    1   7   5         8
                59.41          3.45        1.5558    4   4   1         8
                59.41          4.01        1.5557    4   3   3         8
                59.63          3.45        1.5506    3   0   7         4
                60.04          1.28        1.5410    3   6   3         8
                60.06          1.32        1.5404    3   1   7         8
                60.42          2.32        1.5322    2   7   4         8
                60.85          9.39        1.5223    1   2   9         8
                61.21          3.98        1.5142    2   8   1         8
                61.30          4.55        1.5122    2   3   8         8
                61.57          1.54        1.5063    4   0   5         4
                62.14          4.63        1.4937    1   8   4         8
                62.59          1.37        1.4841    3   7   1         8
                62.65          3.37        1.4828    3   6   4         8
                63.25          2.31        1.4701    4   2   5         8
                63.69          2.90        1.4611    3   7   2         8
                64.16          2.78        1.4515    2   8   3         8
                64.24          3.44        1.4498    2   4   8         8
                65.17          2.95        1.4314    3   0   8         4
                65.43          3.56        1.4264    1   8   5         8
                65.44          1.21        1.4262    2   2   9         8
                65.50          1.75        1.4250    3   7   3         8
                65.59          1.87        1.4233    4   0   6         4
                66.14          2.04        1.4128    4   5   3         8
                66.28          1.20        1.4102    0   2  10         4
                66.46          3.74        1.4067    0   6   8         4
                66.48          1.84        1.4064    5   0   1         4
                66.81          1.89        1.4002    3   2   8         8
                66.89          1.13        1.3988    5   1   1         8
                67.06          2.14        1.3957    2   6   7         8
                67.89          1.79        1.3807    1   7   7         8
                67.89          3.36        1.3806    2   9   0         4
                67.92          1.27        1.3800    2   5   8         8
                67.94          2.93        1.3796    1   6   8         8
                68.82          2.71        1.3642    4   6   2         8
                68.83          2.01        1.3640    3   3   8         8
                69.12          1.27        1.3589    1   9   4         8
                69.30          1.45        1.3560    2   9   2         8
                69.77          1.44        1.3480    1   3  10         8
                69.80          1.10        1.3475    3   8   2         8
                69.97          1.23        1.3446    3   5   7         8
                70.10          3.19        1.3423    5   3   1         8
                70.90          8.40        1.3292    5   2   3         8
                71.10          1.24        1.3260    0   4  10         4
                71.57          1.74        1.3184    3   1   9         8
                71.61          1.52        1.3178    3   4   8         8
                71.77          1.34        1.3152    4   2   7         8
                72.01          9.36        1.3114    4   4   6         8
                72.12          1.86        1.3097    2   2  10         8
                72.25          1.05        1.3077    1   9   5         8
                72.53          1.51        1.3033    1   4  10         8
                72.58          1.13        1.3025    4   7   0         4
                72.86          2.88        1.2982    5   4   1         8
                72.98          1.09        1.2964    4   6   4         8
                73.65          3.04        1.2862    2   8   6         8
                73.82          1.23        1.2836    1   8   7         8
                73.84          1.57        1.2834    1   6   9         8
                73.93          2.80        1.2820    3   8   4         8
                74.07          1.20        1.2799    2   3  10         8
                74.19          1.94        1.2782    1  10   3         8
                75.15          3.80        1.2642    0  10   4         4
                75.38          2.15        1.2610    2  10   0         4
                75.72          2.84        1.2562    2  10   1         8
                77.64          2.10        1.2298    3   0  10         4
                77.70          1.23        1.2290    2   0  11         4
                77.94          1.79        1.2258    5   4   4         8
                78.37          1.18        1.2201    4   8   0         4
                79.22          1.82        1.2091    2   2  11         8
                79.62          1.50        1.2041    1   4  11         8
                79.82          1.68        1.2017    0   0  12         2
                80.35          1.95        1.1950    1   9   7         8
                80.45          1.14        1.1937    3   9   4         8
                80.94          1.64        1.1878    5   4   5         8
                82.84          1.07        1.1653    5   0   7         4
                83.20          3.26        1.1612    5   6   3         8
                83.43          1.40        1.1585    3   9   5         8
                83.70          1.38        1.1555    3   4  10         8
                84.36          1.88        1.1481    2   6  10         8
                84.94          1.57        1.1417    3   8   7         8
                85.13          1.08        1.1397    1   7  10         8
                85.30          1.22        1.1379    3  10   3         8
                85.70          1.16        1.1336    2   1  12         8
                85.84          1.09        1.1320    0   4  12         4
                86.52          1.06        1.1249    0  12   0         2
                86.64          1.04        1.1237    4   8   5         8
                87.79          2.09        1.1119    6   4   0         4
                88.22          1.40        1.1076    1  12   1         8
                88.55          1.53        1.1043    6   2   4         8
                88.78          1.30        1.1020    4   2  10         8
                88.84          1.20        1.1015    5   4   7         8
                89.83          1.42        1.0919    3   7   9         8
                89.86          1.53        1.0915    3   8   8         8
================================================================================
       XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs
  For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.