data_2000108 _chemical_formula_sum 'C2 H14 N4 O8 Te1' _journal_volume 309 _journal_year 1989 _journal_page_first 25 _journal_name_full 'C.R.Seances Acad.Sci.,Ser.II' loop_ _publ_author_name "M.-T.Averbuch-Pouchot" "A.Durif" _cell_volume 1022.491 _diffrn_ambient_temperature ? _refine_ls_R_factor_gt 0.031 _refine_ls_wR_factor_gt 0.031 _symmetry_cell_setting monoclinic _symmetry_space_group_name_H-M 'C 2/c' _symmetry_Int_Tables_number 15 loop_ _symmetry_equiv_pos_site_id _symmetry_equiv_pos_as_xyz 1 x,y,z 2 1/2+x,1/2+y,z 3 -x,y,1/2-z 4 1/2-x,1/2+y,1/2-z 5 -x,-y,-z 6 -1/2-x,-1/2-y,-z 7 x,-y,-1/2+z 8 -1/2+x,-1/2-y,-1/2+z _cell_length_a 14.815(8) _cell_length_b 8.882(5) _cell_length_c 10.020(5) _cell_angle_alpha 90 _cell_angle_beta 129.15(5) _cell_angle_gamma 90 _cell_formula_units_Z 4 loop_ _atom_type_symbol _atom_type_radius_bond C 0.68 H 0.23 N 0.68 O 0.68 Te 1.47 loop_ _atom_site_label _atom_site_type_symbol _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z Te1 Te 0.00000 0.43225(2) 0.25000 O1 O 0.1185(1) 0.4282(2) 0.4966(1) O2 O 0.0788(1) 0.2864(2) 0.2178(1) O3 O 0.0814(1) 0.5888(2) 0.2350(1) O4 O 0.1612(1) 0.0338(2) 0.3907(1) C1 C 0.1429(1) -0.0208(2) 0.4888(2) N1 N 0.1269(2) -0.1674(2) 0.4900(2) N2 N 0.1404(1) 0.0685(3) 0.5929(2) H1 H 0.189(3) 0.460(4) 0.536(4) H2 H 0.105(2) 0.234(4) 0.299(3) H3 H 0.104(3) 0.560(4) 0.182(4) H4 H 0.104(2) -0.193(4) 0.547(3) H5 H 0.113(3) -0.245(4) 0.391(4) H6 H 0.137(2) 0.043(4) 0.680(3) H7 H 0.149(3) 0.164(6) 0.594(1) O1B O -0.1185(1) 0.4282(2) 0.0034(1) O2B O -0.0788(1) 0.2864(2) 0.2822(1) O3B O -0.0814(1) 0.5888(2) 0.2650(1) H1B H -0.189(3) 0.460(4) -0.036(4) H2B H -0.105(2) 0.234(4) 0.201(3) H3B H -0.104(3) 0.560(4) 0.318(4)