#------------------------------------------------------------------------------
#$Date: 2023-03-26 11:09:57 +0300 (Sun, 26 Mar 2023) $
#$Revision: 282068 $
#$URL: file:///home/coder/svn-repositories/cod/cif/1/00/14/1001428.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_1001428
loop_
_publ_author_name
'Riou, D.'
'Goreaud, M.'
_publ_section_title
;
CaCuP₂O₇:a structure closely related to α-Ca₂P₂O₇
;
_journal_coden_ASTM              ACSCEE
_journal_issue                   7
_journal_name_full
;
 Acta Crystallographica, Section C: Crystal Structure Communications
;
_journal_page_first              1191
_journal_page_last               1193
_journal_paper_doi               10.1107/s0108270189011704
_journal_volume                  46
_journal_year                    1990
_chemical_formula_structural     'Ca Cu (P2 O7)'
_chemical_formula_sum            'Ca Cu O7 P2'
_chemical_name_systematic        'Calcium copper diphosphate'
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_Int_Tables_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                 91.356(6)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   5.2104(4)
_cell_length_b                   8.0574(5)
_cell_length_c                   12.344(1)
_cell_volume                     518.1
_database_code_amcsd             0010150
_exptl_crystal_density_diffrn    3.559
_refine_ls_R_factor_all          0.029
_cod_database_code               1001428
_amcsd_formula_title             CaCuP2O7
loop_
_space_group_symop_operation_xyz
x,y,z
1/2+x,1/2-y,1/2+z
-x,-y,-z
1/2-x,1/2+y,1/2-z
loop_
_atom_site_label
_atom_site_type_symbol
_atom_site_symmetry_multiplicity
_atom_site_Wyckoff_symbol
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
_atom_site_occupancy
_atom_site_attached_hydrogens
_atom_site_calc_flag
Cu1 Cu2+ 4 e 0.79798(8) 0.14058(6) 0.11019(4) 1. 0 d
Ca1 Ca2+ 4 e 0.2878(1) 0.32276(9) 0.27641(6) 1. 0 d
P1 P5+ 4 e 0.7523(2) 0.5280(1) 0.16483(7) 1. 0 d
P2 P5+ 4 e 0.3116(2) 0.2020(1) 0.98402(7) 1. 0 d
O1 O2- 4 e 0.6608(5) 0.3508(3) 0.1542(2) 1. 0 d
O2 O2- 4 e 0.6524(5) 0.3979(3) 0.4005(2) 1. 0 d
O3 O2- 4 e 0.9384(5) 0.1207(3) 0.2653(2) 1. 0 d
O4 O2- 4 e 0.7641(5) 0.1067(3) 0.4535(2) 1. 0 d
O5 O2- 4 e 0.4747(5) 0.0450(3) 0.2929(2) 1. 0 d
O6 O2- 4 e 0.0980(5) 0.3338(3) 0.4715(2) 1. 0 d
O7 O2- 4 e 0.2124(5) 0.1867(4) 0.0967(2) 1. 0 d
loop_
_atom_type_symbol
_atom_type_oxidation_number
Cu2+ 2.000
Ca2+ 2.000
P5+ 5.000
O2- -2.000
loop_
_cod_related_entry_id
_cod_related_entry_database
_cod_related_entry_code
1 AMCSD 0010150
