data_2002154
_chemical_name_systematic          'Barium manganese silver oxide arsenate'
_chemical_formula_structural       'Ba4 Mn2 Ag2 O (As O4)4'
_chemical_formula_sum              'Ag2 As4 Ba4 Mn2 O17'
_publ_section_title
;
Ba4 Mn2 Ag2 O (As O4)4, ein Barium-Mangan-Oxid-Arsenat mit
nichtlinearen O-Ag-O - Hanteln.
;
loop_
_publ_author_name
  'Staack, M'
  'Mueller-Buschbaum, Hk'
_journal_name_full
;
Zeitschrift fuer Naturforschung, Teil B. Anorganische Chemie,
Organische Chemie (42,1987-)
;
_journal_volume                    53
_journal_year                      1998
_journal_page_first                512
_journal_page_last                 516
_cell_length_a                     8.739(2)
_cell_length_b                     5.9124(11)
_cell_length_c                     9.440(2)
_cell_angle_alpha                  90
_cell_angle_beta                   115.209(13)
_cell_angle_gamma                  90
_cell_volume                       441.3
_cell_formula_units_Z              1
_symmetry_space_group_name_H-M     'P 1 21/m 1'
_symmetry_Int_Tables_number        11
_symmetry_cell_setting             monoclinic
loop_
_symmetry_equiv_pos_as_xyz
  'x,y,z'
  '-x,1/2+y,-z'
  '-x,-y,-z'
  'x,1/2-y,z'
loop_
_atom_type_symbol
_atom_type_oxidation_number
  Ba2+   2.000
  Ag1+   1.000
  As5+   5.000
  Mn2+   2.000
  O2-   -2.000
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
  Ba1   Ba2+   2 e 0.21161(9) 0.25 0.09655(7) 1.  0 d
  Ba2   Ba2+   2 e 0.76148(10) 0.25 0.22799(9) 1.  0 d
  Ag1   Ag1+   2 e 0.16745(13) 0.25 0.50017(13) 1.  0 d
  As1   As5+   2 e 0.50841(15) 0.25 0.81834(13) 1.  0 d
  As2   As5+   2 e 0.90444(15) 0.25 0.69141(13) 1.  0 d
  Mn1   Mn2+   2 d 0.5 0. 0.5 1.  0 d
  O1    O2-    2 e 0.6888(10) 0.25 0.6039(10) 1.  0 d
  O2    O2-    4 f 0.4619(8) 0.0124(10) 0.7044(7) 1.  0 d
  O3    O2-    2 e 0.3599(11) 0.25 0.4176(10) 1.  0 d
  O4    O2-    4 f 0.9830(8) 0.0207(13) 0.8034(9) 0.75  0 d
  O5    O2-    2 e 0.7157(12) 0.25 0.9375(10) 1.  0 d
  O6    O2-    2 e 0.3856(15) 0.25 0.9153(13) 1.  0 d
  O7    O2-    4 f -0.0478(16) 0.3177(27) 0.5399(14) 0.5  0 d
loop_
_atom_site_aniso_label
_atom_site_aniso_U_11
_atom_site_aniso_U_12
_atom_site_aniso_U_13
_atom_site_aniso_U_22
_atom_site_aniso_U_23
_atom_site_aniso_U_33
  Ba1   0.0140(3) 0. 0.0044(2) 0.0126(3) 0. 0.0094(3)
  Ba2   0.0213(4) 0. 0.0105(3) 0.0224(4) 0. 0.0157(3)
  Ag1   0.0172(5) 0. 0.0116(4) 0.0324(6) 0. 0.0265(5)
  As1   0.0121(5) 0. 0.0039(4) 0.0084(5) 0. 0.0082(5)
  As2   0.0097(5) 0. 0.0021(4) 0.0144(6) 0. 0.0078(5)
  Mn1   0.0087(7) 0.0005(6) 0.0021(5) 0.0052(7) -0.0002(5) 0.0076(6)
  O1    0.024(4) 0. 0.006(3) 0.030(4) 0. 0.031(4)
  O2    0.042(3) -0.001(2) 0.018(2) 0.022(3) -0.001(2) 0.031(3)
  O3    0.028(4) 0. 0.010(3) 0.029(4) 0. 0.025(4)
  O4    0.033(3) 0.004(3) 0.009(3) 0.030(3) 0.009(3) 0.058(4)
  O5    0.032(4) 0. 0.008(3) 0.040(5) 0. 0.030(4)
  O6    0.056(6) 0. 0.037(5) 0.047(6) 0. 0.048(6)
  O7    0.037(6) 0.011(6) 0.016(5) 0.069(13) 0.015(6) 0.028(5)
_refine_ls_R_factor_all            0.0555