data_1007167
_chemical_name_systematic
;
Tetrapotassium cyclo-tetraphosphate telluric acid dihydrate
;
_chemical_formula_structural       'K4 (P4 O12) (Te (O H)6) (H2 O)2'
_chemical_formula_sum              'H10 K4 O20 P4 Te'
_publ_section_title
;
Structure of a new adduct between telluric acid and a condensed
phosphate: K~4~ P~4~ O~12~ * Te (O H)~6~ * ~2~ H~2~ O.
;
loop_
_publ_author_name
  'Averbuch-Pouchot, M T'
  'Durif, A'
_journal_name_full                 'Acta Crystallographica C (39,1983-)'
_journal_coden_ASTM                ACSCEE
_journal_volume                    43
_journal_year                      1987
_journal_page_first                1245
_journal_page_last                 1247
_cell_length_a                     9.731(5)
_cell_length_b                     11.43(1)
_cell_length_c                     17.16(1)
_cell_angle_alpha                  90
_cell_angle_beta                   99.45(5)
_cell_angle_gamma                  90
_cell_volume                       1882.7
_cell_formula_units_Z              4
_symmetry_space_group_name_H-M     'C 1 2/c 1'
_symmetry_Int_Tables_number        15
_symmetry_cell_setting             monoclinic
loop_
_symmetry_equiv_pos_as_xyz
  'x,y,z'
  '-x,y,1/2-z'
  '-x,-y,-z'
  'x,-y,1/2+z'
  '1/2+x,1/2+y,z'
  '1/2-x,1/2+y,1/2-z'
  '1/2-x,1/2-y,-z'
  '1/2+x,1/2-y,1/2+z'
loop_
_atom_type_symbol
_atom_type_oxidation_number
  Te6+   6.000
  P5+    5.000
  K1+    1.000
  O2-   -2.000
  H1+    1.000
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
  Te1   Te6+   4 a 0. 0. 0. 1.  0 d
  P1    P5+    8 f -0.01124(8) 0.35775(7) 0.13535(5) 1.  0 d
  P2    P5+    8 f 0.20354(8) 0.43673(7) 0.26261(5) 1.  0 d
  K1    K1+    4 e 0.5 0.4216(1) 0.75 1.  0 d
  K2    K1+    8 f 0.32913(8) 0.12355(7) 0.43095(5) 1.  0 d
  K3    K1+    4 e 0.5 0.2087(1) 0.25 1.  0 d
  O1    O2-    8 f 0.5959(3) 0.3939(2) 0.5760(2) 1.  0 d
  O2    O2-    8 f 0.3704(3) 0.3793(2) 0.4605(2) 1.  0 d
  O3    O2-    8 f 0.6202(3) 0.4588(2) 0.4261(2) 1.  0 d
  O4    O2-    8 f 0.6217(2) 0.1583(2) 0.7042(1) 1.  0 d
  O5    O2-    8 f 0.3979(2) 0.0473(2) 0.6726(1) 1.  0 d
  O6    O2-    8 f 0.5320(3) 0.0923(2) 0.5642(1) 1.  0 d
  O7    O2-    8 f 0.4169(2) 0.2578(2) 0.6299(2) 1.  0 d
  O8    O2-    8 f 0.3356(2) 0.3810(2) 0.2997(2) 1.  0 d
  O9    O2-    8 f 0.2929(3) 0.0520(2) 0.2769(1) 1.  0 d
  O10   O2-    8 f 0.6289(3) 0.2058(3) 0.4250(2) 1.  0 d
  H1    H1+    8 f 0.522(7) 0.331(6) 0.601(4) 1.  0 d
  H2    H1+    8 f 0.348(5) 0.380(4) 0.410(3) 1.  0 d
  H3    H1+    8 f 0.651(5) 0.400(4) 0.438(3) 1.  0 d
  H4    H1+    8 f 0.731(6) 0.171(6) 0.433(4) 1.  0 d
  H5    H1+    8 f 0.618(6) 0.195(6) 0.473(4) 1.  0 d
_refine_ls_R_factor_all            0.024