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#$Date: 2012-02-28 17:44:07 +0200 (Tue, 28 Feb 2012) $
#$Revision: 35913 $
#$URL: file:///home/coder/svn-repositories/cod/cif/9/00/42/9004262.cif $
#------------------------------------------------------------------------------
#
# This file is available in the Crystallography Open Database (COD),
# http://www.crystallography.net/. The original data for this entry
# were provided the American Mineralogist Crystal Structure Database,
# http://rruff.geo.arizona.edu/AMS/amcsd.php
#
# The file may be used within the scientific community so long as
# proper attribution is given to the journal article from which the
# data were obtained.
#
data_9004262
loop_
_publ_author_name
'Burns, P. C.'
'Hawthorne, F. C.'
_publ_section_title
;
 Hydrogen bonding in colemanite: An X-ray and structure-energy study
;
_journal_name_full               'The Canadian Mineralogist'
_journal_page_first              297
_journal_page_last               304
_journal_volume                  31
_journal_year                    1993
_chemical_formula_sum            'B3 Ca0.94 H5 O8'
_chemical_name_mineral           Colemanite
_space_group_IT_number           14
_symmetry_space_group_name_Hall  '-P 2yab'
_symmetry_space_group_name_H-M   'P 1 21/a 1'
_cell_angle_alpha                90
_cell_angle_beta                 110.12
_cell_angle_gamma                90
_cell_length_a                   8.712
_cell_length_b                   11.247
_cell_length_c                   6.091
_cell_volume                     560.398
_exptl_crystal_density_diffrn    2.408
_[local]_cod_chemical_formula_sum_orig 'Ca.94 B3 O8 H5'
_cod_database_code               9004262
_amcsd_database_code             AMCSD#0005255
loop_
_symmetry_equiv_pos_as_xyz
x,y,z
1/2+x,1/2-y,z
1/2-x,1/2+y,-z
-x,-y,-z
loop_
_atom_site_aniso_label
_atom_site_aniso_U_11
_atom_site_aniso_U_22
_atom_site_aniso_U_33
_atom_site_aniso_U_12
_atom_site_aniso_U_13
_atom_site_aniso_U_23
Ca 0.00940 0.01180 0.00730 0.00070 0.00020 0.00030
B1 0.00650 0.00870 0.00690 -0.00010 0.00190 0.00030
B2 0.00590 0.00690 0.00650 0.00020 0.00140 -0.00040
B3 0.00690 0.00800 0.00580 -0.00050 0.00230 -0.00010
O1 0.00630 0.01140 0.00880 0.00180 0.00170 -0.00310
O2 0.00490 0.01120 0.00740 -0.00090 0.00110 0.00260
Oh3 0.00830 0.01150 0.00720 0.00180 -0.00200 -0.00200
O4 0.00880 0.01420 0.00690 -0.00440 -0.00030 0.00360
O5 0.00740 0.00630 0.00720 -0.00040 0.00000 -0.00010
Oh6 0.01720 0.01000 0.01030 0.00570 0.00260 0.00120
Oh7 0.01200 0.01280 0.00900 -0.00180 0.00540 -0.00120
OW8 0.01900 0.01660 0.01730 -0.00030 0.00560 0.00280
loop_
_atom_site_label
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
_atom_site_occupancy
_atom_site_U_iso_or_equiv
Ca 0.63480 0.21106 0.73664 0.94000 0.01020
B1 0.33430 0.21260 0.31360 1.00000 0.00750
B2 0.03970 0.17090 0.16220 1.00000 0.00660
B3 0.22070 0.05230 0.49620 1.00000 0.00690
O1 -0.01820 0.24675 0.31560 1.00000 0.00910
O2 0.18860 0.23140 0.13900 1.00000 0.00810
O-h3 -0.07980 0.16390 -0.07240 1.00000 0.01020
O4 0.34220 0.14800 0.50980 1.00000 0.01070
O5 0.08720 0.05558 0.27100 1.00000 0.00760
O-h6 0.29450 -0.06600 0.51440 1.00000 0.01300
O-h7 0.16680 0.07700 0.69720 1.00000 0.01080
OW8 0.61370 0.01870 0.90080 1.00000 0.01780
H1 -0.07500 0.08500 -0.13000 1.00000 0.02000
H2 0.33400 -0.10100 0.66900 1.00000 0.02000
H3 0.08000 0.02500 0.69900 1.00000 0.02000
H4 0.70100 -0.02500 0.01000 1.00000 0.02000
H5 0.51600 -0.01300 0.91900 1.00000 0.02000