Barioperovskite
Diffraction data computed using the structure from the paper listed below, 
along with the cell parameters refined from single crystal data of R110180
      Xiao C J, Jin C Q, Wang X H
      Materials Chemistry and Physics 111 (2008) 209-212
      Crystal structure of dense nanocrystalline BaTiO3 ceramics
      Locality: synthetic
      Note: phase O (orthorhombic)
      _database_code_amcsd 0018580

      CELL PARAMETERS:   4.0310  5.6470  5.6490   90.000   90.000   90.000
      SPACE GROUP: Amm2      

           ATOM        X         Y         Z     OCCUPANCY  ISO(B)
            Ba     0.00000   0.00000   0.00000     1.000    13.896
            Ti     0.50000   0.00000   0.51000     1.000     1.263
            O      0.00000   0.50000   0.49000     1.000     3.553
            O      0.50000   0.75250   0.73960     1.000     2.211

            X-RAY WAVELENGTH:     1.541838
            BOUNDS ON TWO THETA:    5.0  90.0
            LIMITS IMPOSED ON THE INDICES ARE:  +/-  3 +/-  5 +/-  5
            MAX. ABS. INTENSITY / VOLUME**2:      124.5920054    
            The INTENSITY cut off value is   1.00

               2-THETA      INTENSITY    D-SPACING   H   K   L
                22.05          4.54        4.0310    1   0   0
                22.26         31.39        3.9937    0   1   1
                31.53        100.00        2.8371    1   1   1
                31.68         15.03        2.8245    0   0   2
                31.69         14.99        2.8235    0   2   0
                38.94          6.06        2.3132    1   0   2
                38.94          5.90        2.3126    1   2   0
                44.98          8.17        2.0155    2   0   0
                45.42         15.43        1.9969    0   2   2
                56.05          1.80        1.6406    2   0   2
                56.06          1.79        1.6404    2   2   0
                56.33          6.27        1.6331    1   1   3
                56.35          6.35        1.6327    1   3   1
                65.84          4.18        1.4185    2   2   2
                66.20          1.02        1.4117    0   4   0
                74.51          1.26        1.2735    3   1   1
                75.16          1.19        1.2641    1   3   3
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       XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs
  For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.