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#$Date: 2016-02-13 20:28:24 +0100 (Sat 13 de Feb de 2016) $
#$Revision: 176429 $
#$URL: svn://www.crystallography.net/cod/cif/1/52/20/1522054.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_1522054
loop_
_publ_author_name
'Troyanov, S.I.'
'Zaitsev, B.E.'
'Kostrikin, A.V.'
'Lin'ko, I.V.'
'Ezhov, A.I.'
'Spiridonov, F.M.'
_publ_section_title
;
 Crystal structure of hydroxohafnates Na2 Hf (O H)6 and K2 Hf (O H)6
;
_journal_name_full               Kristallografiya
_journal_page_first              1054
_journal_page_last               1058
_journal_volume                  44
_journal_year                    1999
_chemical_formula_sum            'H6 Hf K2 O6'
_chemical_name_systematic        'K2 (Hf (O H)6)'
_space_group_IT_number           67
_symmetry_space_group_name_Hall  '-C 2a 2'
_symmetry_space_group_name_H-M   'C m m a'
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            8
_cell_length_a                   13.564
_cell_length_b                   16.651
_cell_length_c                   5.754
_cell_volume                     1299.565
_citation_journal_id_ASTM        KRISAJ
_cod_data_source_file            Troyanov_KRISAJ_1999_448.cif
_cod_data_source_block           H6Hf1K2O6
_cod_original_formula_sum        'H6 Hf1 K2 O6'
_cod_database_code               1522054
loop_
_symmetry_equiv_pos_as_xyz
x,y,z
-x+1/2,-y,z
x,-y,-z
-x+1/2,y,-z
-x,-y,-z
x-1/2,y,-z
-x,y,z
x-1/2,-y,z
x+1/2,y+1/2,z
-x+1,-y+1/2,z
x+1/2,-y+1/2,-z
-x+1,y+1/2,-z
-x+1/2,-y+1/2,-z
x,y+1/2,-z
-x+1/2,y+1/2,z
x,-y+1/2,z
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
O3 O-2 0 0.6245 0.171 1 0.0
O2 O-2 0.1067 0.75 0.897 1 0.0
Hf1 Hf+4 0 0.75 0.1519 1 0.0
Hf2 Hf+4 0.25 0.5 0.5 1 0.0
K1 K+1 0 0.609 0.6605 1 0.0
O1 O-2 0.1121 0.75 0.402 1 0.0
O5 O-2 0.25 0.3746 0.5 1 0.0
O4 O-2 0.1412 0.5047 0.245 1 0.0
K2 K+1 0.25 0.6391 0 1 0.0
