#------------------------------------------------------------------------------
#$Date: 2008-01-13 23:15:36 +0100 (Sun, 13 Jan 2008) $
#$Revision: 14 $
#$URL: svn://www.crystallography.net/cod/cif/2/2012793.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_2012793
_journal_name_full  'Acta Crystallographica, Section C'
_journal_year  2002
_journal_volume  58
_journal_page_first  i87
_journal_page_last  i89
_publ_section_title
;
Sodium silver tricobalt diphosphate and sodium silver copper(II) diphosphate
;
loop_
_publ_author_name
  'Bennazha, J.'
  'Boukhari, Ali'
  'Holt, Elizabeth M.'
_chemical_name_common  'Sodium silver copper(II) diphosphate'
_chemical_formula_sum  'Ag0.88 Cu Na1.12 O7 P2'
_chemical_formula_structural  'Ag0.88 Na1.12 Cu (P2  O7)'
_chemical_formula_weight  358.12
_symmetry_cell_setting  monoclinic
_symmetry_space_group_name_H-M  'C 2/c'
_symmetry_space_group_name_Hall  '-C 2yc'
loop_
_symmetry_equiv_pos_as_xyz
  'x, y, z'
  '-x, y, -z+1/2'
  'x+1/2, y+1/2, z'
  '-x+1/2, y+1/2, -z+1/2'
  '-x, -y, -z'
  'x, -y, z-1/2'
  '-x+1/2, -y+1/2, -z'
  'x+1/2, -y+1/2, z-1/2'
_cell_length_a  15.088(2)
_cell_length_b  5.6410(10)
_cell_length_c  8.1710(10)
_cell_angle_alpha  90
_cell_angle_beta  116.110(10)
_cell_angle_gamma  90
_cell_volume  624.48(16)
_cell_formula_units_Z  4
_cell_measurement_temperature  293(2)
_exptl_crystal_density_diffrn  3.811
_diffrn_ambient_temperature  293(2)
loop_
_atom_site_label
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
_atom_site_U_iso_or_equiv
_atom_site_adp_type
_atom_site_calc_flag
_atom_site_refinement_flags
_atom_site_occupancy
_atom_site_disorder_assembly
_atom_site_disorder_group
_atom_site_type_symbol
  Cu1 0.0000 0.0000 0.0000 0.0303(3) Uani d S 1 . . Cu
  Ag1 0.76835(7) 0.14209(15) 0.70370(11) 0.0396(4) Uani d P 0.438(3) . . Ag
  Na1 0.76835(7) 0.14209(15) 0.70370(11) 0.0396(4) Uani d P 0.562(3) . . Na
  P1 0.89677(11) 0.3398(2) 0.15609(16) 0.0268(4) Uani d . 1 . . P
  O11 0.8986(4) 0.2075(8) -0.0035(5) 0.0393(11) Uani d . 1 . . O
  O12 0.8145(4) 0.5159(7) 0.0995(5) 0.0343(10) Uani d . 1 . . O
  O13 0.8952(4) 0.1683(7) 0.2993(5) 0.0344(10) Uani d . 1 . . O
  O14 1.0000 0.4827(9) 0.2500 0.0318(13) Uani d S 1 . . O
loop_
_atom_site_aniso_label
_atom_site_aniso_U_11
_atom_site_aniso_U_22
_atom_site_aniso_U_33
_atom_site_aniso_U_12
_atom_site_aniso_U_13
_atom_site_aniso_U_23
  Cu1 0.0349(6) 0.0289(5) 0.0130(4) -0.0027(4) -0.0025(4) -0.0076(3)
  Ag1 0.0449(6) 0.0363(5) 0.0192(4) -0.0047(3) -0.0028(4) -0.0021(3)
  Na1 0.0449(6) 0.0363(5) 0.0192(4) -0.0047(3) -0.0028(4) -0.0021(3)
  P1 0.0330(7) 0.0206(6) 0.0102(6) 0.0018(4) -0.0056(5) 0.0006(4)
  O11 0.041(2) 0.040(2) 0.0168(16) 0.0048(18) -0.0062(16) -0.0137(16)
  O12 0.035(2) 0.0271(18) 0.0223(18) 0.0064(15) -0.0041(16) 0.0010(13)
  O13 0.036(2) 0.032(2) 0.0201(17) 0.0008(15) -0.0008(16) 0.0144(14)
  O14 0.039(3) 0.025(2) 0.0093(18) 0.000 -0.0095(19) 0.000
loop_
_geom_bond_atom_site_label_1
_geom_bond_atom_site_label_2
_geom_bond_site_symmetry_2
_geom_bond_distance
_geom_bond_publ_flag
  Cu1 O11 1_455 1.916(5) yes
  Cu1 O11 5_655 1.916(5) no
  Cu1 O13 6_455 1.951(4) yes
  Cu1 O13 2_655 1.951(4) no
  Ag1 O12 6_566 2.336(4) yes
  Ag1 O12 4_645 2.341(4) yes
  Ag1 O11 1_556 2.363(4) yes
  Ag1 O13 6_556 2.453(5) yes
  Ag1 O12 7_656 2.591(5) yes
  P1 O12 . 1.494(4) yes
  P1 O11 . 1.513(4) yes
  P1 O13 . 1.527(4) yes
  P1 O14 . 1.616(3) yes
  O14 P1 2_755 1.616(3) no