#------------------------------------------------------------------------------
#$Date: 2013-05-05 16:21:46 +0200 (Sun, 05 May 2013) $
#$Revision: 85285 $
#$URL: svn://www.crystallography.net/cod/cif/9/01/00/9010009.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_9010009
loop_
_publ_author_name
'Milton, C.'
'Appleman, D. E.'
'Appleman, M. H.'
'Chao, E. C. T.'
'Cuttita, F.'
'Dinnin, J. I.'
'Dwornik, E. J.'
'Ingram, B. L.'
'Rose, H. J.'
_publ_section_title
;
 Merumite, a complex assemblage of chromium minerals from Guyana
 Locality: Guyana
;
_journal_name_full               'U.S. Geological Survey Professional Paper'
_journal_page_first              1
_journal_page_last               29
_journal_volume                  887
_journal_year                    1976
_chemical_formula_sum            'Cr H O2'
_chemical_name_mineral           Bracewellite
_space_group_IT_number           62
_symmetry_space_group_name_Hall  '-P 2c 2ab'
_symmetry_space_group_name_H-M   'P b n m'
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_length_a                   4.492
_cell_length_b                   9.860
_cell_length_c                   2.974
_cell_volume                     131.722
_exptl_crystal_density_diffrn    4.286
_[local]_cod_chemical_formula_sum_orig 'Cr O2 H'
_cod_database_code               9010009
loop_
_symmetry_equiv_pos_as_xyz
x,y,z
x,y,1/2-z
-x,-y,1/2+z
1/2+x,1/2-y,1/2+z
1/2-x,1/2+y,1/2-z
1/2-x,1/2+y,z
1/2+x,1/2-y,-z
-x,-y,-z
loop_
_atom_site_label
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
Cr -0.05200 0.14500 0.25000
O1 0.30100 -0.19700 0.25000
O-H2 -0.19800 -0.05400 0.25000