#------------------------------------------------------------------------------
#$Date: 2016-02-13 21:28:24 +0200 (Sat, 13 Feb 2016) $
#$Revision: 176429 $
#$URL: svn://www.crystallography.net/cod/cif/1/53/22/1532241.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_1532241
loop_
_publ_author_name
'Shepelev, Yu.F.'
'Petrova, M.A.'
'Novikova, A.S.'
'Lapshin, A.E.'
_publ_section_title
;
 Crystal structures of Na2 Zn P2 O7, K2 Zn P2 O7 and Li K Zn P2 O7 phases
 in the (M2 O) - (Zn O) - (P2 O5) glass-forming system (M = Li, Na and K)
;
_journal_name_full               'Glass Physics and Chemistry'
_journal_page_first              317
_journal_page_last               321
_journal_volume                  28
_journal_year                    2002
_chemical_formula_sum            'Na2 O7 P2 Zn'
_chemical_name_systematic        'Na2 (Zn P2 O7)'
_space_group_IT_number           136
_symmetry_space_group_name_Hall  '-P 4n 2n'
_symmetry_space_group_name_H-M   'P 42/m n m'
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   7.687
_cell_length_b                   7.687
_cell_length_c                   10.275
_cell_volume                     607.149
_citation_journal_id_ASTM        GPHCEE
_cod_data_source_file            Shepelev_GPHCEE_2002_1136.cif
_cod_data_source_block           Na2O7P2Zn1
_cod_original_cell_volume        607.1494
_cod_original_formula_sum        'Na2 O7 P2 Zn1'
_cod_database_code               1532241
loop_
_symmetry_equiv_pos_as_xyz
x,y,z
-y+1/2,x+1/2,z+1/2
-x,-y,z
y+1/2,-x+1/2,z+1/2
x+1/2,-y+1/2,-z+1/2
y,x,-z
-x+1/2,y+1/2,-z+1/2
-y,-x,-z
-x,-y,-z
y-1/2,-x-1/2,-z-1/2
x,y,-z
-y-1/2,x-1/2,-z-1/2
-x-1/2,y-1/2,z-1/2
-y,-x,z
x-1/2,-y-1/2,z-1/2
y,x,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
P1 P+5 0.1371 0.1371 0.2857 1 0.0
O2 O-2 0.1379 0.1379 0.1418 1 0.0
Na2 Na+1 0.8524 0.1476 0 1 0.0
Zn1 Zn+2 0.5 0 0.25 1 0.0
Na1 Na+1 0.8002 0.1998 0.5 1 0.0
O3 O-2 0.3028 0.0829 0.3515 1 0.0
O1 O-2 0 0 0.3444 1 0.0
