#------------------------------------------------------------------------------
#$Date: 2016-02-13 13:50:18 +0100 (Sat 13 de Feb de 2016) $
#$Revision: 176428 $
#$URL: svn://www.crystallography.net/cod/cif/2/31/06/2310603.cif $
#------------------------------------------------------------------------------
#
# This file is available in the Crystallography Open Database (COD),
# http://www.crystallography.net/. The original data for this entry
# were provided by IUCr Journals, http://journals.iucr.org/.
#
# 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_2310603
loop_
_publ_author_name
'Hilmer, W.'
_publ_section_title
;
 Die Kristallstruktur des sauren Kaliummetasilikates K4 (H Si O3)4
;
_journal_name_full               'Acta Crystallographica (1,1948-23,1967)'
_journal_page_first              1063
_journal_page_last               1066
_journal_volume                  17
_journal_year                    1964
_chemical_formula_sum            'H4 K4 O12 Si4'
_chemical_name_systematic        'K4 H4 (Si4 O12)'
_space_group_IT_number           14
_symmetry_space_group_name_Hall  '-P 2yn'
_symmetry_space_group_name_H-M   'P 1 21/n 1'
_cell_angle_alpha                90
_cell_angle_beta                 100.87
_cell_angle_gamma                90
_cell_formula_units_Z            2
_cell_length_a                   7.51
_cell_length_b                   11.25
_cell_length_c                   7.5
_cell_volume                     622.287
_citation_journal_id_ASTM        ACCRA9
_cod_data_source_file            Hilmer_ACCRA9_1964_161.cif
_cod_data_source_block           H4K4O12Si4
_cod_original_cell_volume        622.2869
_cod_original_sg_symbol_Hall     '-P 2ybc (x-z,y,z)'
_cod_database_code               2310603
loop_
_symmetry_equiv_pos_as_xyz
x,y,z
-x+1/2,y+1/2,-z+1/2
-x,-y,-z
x-1/2,-y-1/2,z-1/2
loop_
_atom_site_label
_atom_site_type_symbol
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
_atom_site_occupancy
_atom_site_U_iso_or_equiv
Si1 Si+4 0.987 0.184 0.485 1 0.0
K2 K+1 0.322 0.043 0.822 1 0.0
O2 O-2 0.93 0.112 0.658 1 0.0
O6 O-2 0.861 0.972 0.905 1 0.0
O5 O-2 0.596 0.029 0.646 1 0.0
K1 K+1 0.487 0.251 0.486 1 0.0
Si2 Si+4 0.803 0.998 0.7 1 0.0
O3 O-2 0.152 0.107 0.435 1 0.0
O1 O-2 0.062 0.31 0.559 1 0.0
O4 O-2 0.826 0.199 0.324 1 0.0
