#------------------------------------------------------------------------------
#$Date: 2011-09-28 15:24:46 +0100 (Wed, 28 Sep 2011) $
#$Revision: 26848 $
#$URL: svn://www.crystallography.net/cod/cif/2/00/89/2008958.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_2008958
_journal_name_full 'Acta Crystallographica Section C'
_journal_year  1999
_journal_volume 55
_publ_section_title  'Disodium zinc germanium tetraoxide'
_space_group_IT_number           7
_symmetry_space_group_name_Hall  'P -2yac'
_symmetry_space_group_name_H-M   'P 1 n 1'
_[local]_cod_cif_authors_sg_H-M  'P n'
loop_
_publ_author_name
  'Healey, Adam M.'
  'Webster, Michael'
  'Weller, Mark T.'
_chemical_name_common  'Disodium zinc germanate'
_chemical_formula_sum  'Ge Na2 O4 Zn'
_chemical_formula_iupac  'Na2 Zn1 Ge1 O4'
_chemical_formula_weight  247.94
_symmetry_cell_setting  monoclinic
loop_
_symmetry_equiv_pos_as_xyz
  'x, y, z'
  'x+1/2, -y, z+1/2'
_cell_length_a  7.1535(9)
_cell_length_b  5.5819(10)
_cell_length_c  5.3279(4)
_cell_angle_alpha  90.00
_cell_angle_beta  89.934(8)
_cell_angle_gamma  90.00
_cell_volume  212.74(5)
_cell_formula_units_Z  2
_cell_measurement_temperature  150(2)
_exptl_crystal_density_diffrn  3.871
_diffrn_ambient_temperature  150(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
  Ge1 0.24710(12) 0.68457(15) 0.0045(2) 0.0050(3) Uani d . 1 . . Ge
  Zn1 0 0.18611(17) 0 0.0050(4) Uani d . 1 . . Zn
  Na1 0.2504(19) 0.3202(5) 0.4891(14) 0.0113(13) Uiso d . 1 . . Na
  Na2 0.9953(19) 0.8197(6) 0.4915(15) 0.0124(15) Uiso d . 1 . . Na
  O1 0.2220(10) 0.3841(8) 0.9235(10) 0.0067(9) Uiso d . 1 . . O
  O2 0.2741(10) 0.7067(7) 0.3300(10) 0.0074(11) Uiso d . 1 . . O
  O3 0.0473(10) 0.8465(7) 0.9205(10) 0.0079(10) Uiso d . 1 . . O
  O4 0.4515(10) 0.7933(7) 0.8629(10) 0.0074(11) Uiso d . 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
  Ge1 0.0051(4) 0.0056(4) 0.0043(4) -0.0002(5) -0.0004(4) -0.0001(2)
  Zn1 0.0053(5) 0.0049(5) 0.0048(5) -0.0001(5) 0.0000(4) 0.0000(3)
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
  Ge1 O1 1_554 1.741(5) y
  Ge1 O2 . 1.749(5) y
  Ge1 O3 1_554 1.750(6) y
  Ge1 O4 1_554 1.753(7) y
  Ge1 Na2 1_455 3.246(10) ?
  Ge1 Na2 2_474 3.289(8) ?
  Ge1 Na1 . 3.287(6) ?
  Ge1 Na2 2_464 3.328(8) ?
  Ge1 Na2 1_454 3.361(10) ?
  Ge1 Na1 1_554 3.417(7) ?
  Ge1 Na1 2_464 3.554(14) ?
  Zn1 O2 2_464 1.947(7) y
  Zn1 O4 2_464 1.968(5) y
  Zn1 O3 1_544 1.972(4) y
  Zn1 O1 1_554 1.977(6) y
  Zn1 Na1 . 3.251(10) ?
  Zn1 Na1 2_464 3.284(8) ?
  Zn1 Na2 1_445 3.323(7) ?
  Zn1 Na1 1_554 3.341(9) ?
  Zn1 Na1 2_454 3.344(8) ?
  Zn1 Na2 1_444 3.395(7) ?
  Zn1 Na2 2_464 3.543(14) ?
  Zn1 Na2 2_364 3.611(14) ?
  Na1 O4 2_464 2.330(17) y
  Na1 O2 . 2.324(6) y
  Na1 O1 . 2.350(11) y
  Na1 O3 2_564 2.347(17) y
  Na1 Na2 2_464 3.271(4) ?
  Na1 Zn1 2_565 3.284(8) ?
  Na1 Na2 2_465 3.295(5) ?
  Na1 Na2 1_445 3.337(5) ?
  Na1 Na2 1_455 3.332(5) ?
  Na1 Zn1 1_556 3.341(9) ?
  Na2 O2 1_655 2.261(17) y
  Na2 O4 2_574 2.288(7) y
  Na2 O1 2_564 2.291(17) y
  Na2 O3 1_655 2.321(11) y
  Na2 Ge1 1_655 3.246(10) ?
  Na2 Na1 2_565 3.271(4) ?
  Na2 Ge1 2_575 3.289(8) ?
  Na2 Na1 2_564 3.295(5) ?
  Na2 Zn1 1_665 3.323(7) ?
  Na2 Ge1 2_565 3.328(8) ?
  Na2 Na1 1_665 3.337(5) ?
  Na2 Na1 1_655 3.332(5) ?
  O1 Ge1 1_556 1.741(5) ?
  O1 Zn1 1_556 1.977(6) ?
  O1 Na2 2_465 2.291(17) ?
  O2 Zn1 2_565 1.947(7) ?
  O2 Na2 1_455 2.261(17) ?
  O3 Ge1 1_556 1.750(6) ?
  O3 Zn1 1_566 1.972(4) ?
  O3 Na2 1_455 2.321(11) ?
  O3 Na1 2_465 2.347(17) ?
  O4 Ge1 1_556 1.753(7) ?
  O4 Zn1 2_565 1.968(5) ?
  O4 Na2 2_475 2.288(7) ?
  O4 Na1 2_565 2.330(18) ?
_cod_database_code 2008958