#------------------------------------------------------------------------------
#$Date: 2008-01-26 13:05:32 +0000 (Sat, 26 Jan 2008) $
#$Revision: 19 $
#$URL: svn://www.crystallography.net/cod/cif/1/1010804.cif $
#------------------------------------------------------------------------------
#
# This file is available in the Crystallography Open Database (COD),
# http://www.crystallography.net/
#
# All data on this site have been placed in the public domain by the
# contributors.
#
data_1010804
_chemical_name_systematic          'Copper sulfate sodium sulfate dihydrate'
_chemical_name_mineral             'Kroehnkite'
_chemical_compound_source          'from Chuquicamata, Chile'
_chemical_formula_structural       '(Cu S O4) (Na2 S O4) (H2 O)2'
_chemical_formula_sum              'H4 Cu Na2 O10 S2'
_publ_section_title                'Kroehnkite and Natrochalcite from Chile.'
_publ_author_name                  'Palache, C'
_journal_name_full                 'American Journal of Science (1939-)'
_journal_coden_ASTM                AJSCAP
_journal_volume                    237
_journal_year                      1939
_journal_page_first                447
_journal_page_last                 455
_cell_length_a                     5.78
_cell_length_b                     12.58
_cell_length_c                     5.48
_cell_angle_alpha                  90
_cell_angle_beta                   108.5
_cell_angle_gamma                  90
_cell_volume                       377.9
_cell_formula_units_Z              2
_exptl_crystal_density_meas        2.9
_symmetry_space_group_name_H-M     'P 1 21/c 1'
_symmetry_Int_Tables_number        14
_symmetry_cell_setting             monoclinic
loop_
_symmetry_equiv_pos_as_xyz
  'x,y,z'
  '-x,1/2+y,1/2-z'
  '-x,-y,-z'
  'x,1/2-y,1/2+z'