#------------------------------------------------------------------------------ #$Date: 2016-02-14 16:26:36 +0200 (Sun, 14 Feb 2016) $ #$Revision: 176435 $ #$URL: file:///home/coder/svn-repositories/cod/cif/2/01/31/2013137.cif $ #------------------------------------------------------------------------------ # # This file is available in the Crystallography Open Database (COD), # http://www.crystallography.net/. The original data for this entry # were provided by IUCr Journals, http://journals.iucr.org/. # # The file may be used within the scientific community so long as # proper attribution is given to the journal article from which the # data were obtained. # data_2013137 loop_ _publ_author_name 'Skellern, Matthew G.' 'Howie, R. Alan' 'Lachowski, Eric E.' 'Skakle, Janet M. S.' _publ_section_title ; Barium-deficient celsian, Ba~1{-~x}Al~2{-~2x}Si~2+2x~O~8~ (x = 0.20 or 0.06) ; _journal_issue 2 _journal_name_full 'Acta Crystallographica Section C' _journal_page_first i11 _journal_page_last i14 _journal_paper_doi 10.1107/S0108270102023053 _journal_volume 59 _journal_year 2003 _chemical_formula_moiety 'Al1.60 Ba0.80 O8 Si2.40' _chemical_formula_sum 'Al1.6 Ba0.8 O8 Si2.4' _chemical_formula_weight 348.12 _chemical_name_common celsian _chemical_name_systematic ; Barium aluminium silicate ; _space_group_IT_number 12 _symmetry_cell_setting monoclinic _symmetry_space_group_name_Hall '-C 2y' _symmetry_space_group_name_H-M 'C 1 2/m 1' _atom_sites_solution_hydrogens geom _atom_sites_solution_primary heavy _atom_sites_solution_secondary difmap _audit_creation_method SHELXL97 _cell_angle_alpha 90 _cell_angle_beta 115.418(2) _cell_angle_gamma 90 _cell_formula_units_Z 4 _cell_length_a 8.6090(8) _cell_length_b 13.0658(12) _cell_length_c 7.2047(7) _cell_measurement_reflns_used 2197 _cell_measurement_temperature 292(2) _cell_measurement_theta_max 32.40 _cell_measurement_theta_min 4.82 _cell_volume 731.96(12) _computing_cell_refinement 'SAINT (Bruker, 2000)' _computing_data_collection 'SMART (Bruker, 1998)' _computing_data_reduction SAINT _computing_molecular_graphics 'ORTEX in OSCAIL (McArdle, 1994, 2000) and ATOMS (Dowty, 1999)' _computing_publication_material SHELXL97 _computing_structure_refinement 'SHELXL97 (Sheldrick, 1997)' _computing_structure_solution 'SHELXS86 (Sheldrick, 1990)' _diffrn_ambient_temperature 292(2) _diffrn_measured_fraction_theta_full 0.495 _diffrn_measured_fraction_theta_max 0.495 _diffrn_measurement_device_type 'Bruker SMART 1000 CCD area-detector' _diffrn_measurement_method \f/\w _diffrn_radiation_monochromator graphite _diffrn_radiation_source 'fine-focus sealed tube' _diffrn_radiation_type MoK\a _diffrn_radiation_wavelength 0.71073 _diffrn_reflns_av_R_equivalents 0.022 _diffrn_reflns_av_sigmaI/netI 0.025 _diffrn_reflns_limit_h_max 13 _diffrn_reflns_limit_h_min -12 _diffrn_reflns_limit_k_max 19 _diffrn_reflns_limit_k_min -16 _diffrn_reflns_limit_l_max 7 _diffrn_reflns_limit_l_min -10 _diffrn_reflns_number 3542 _diffrn_reflns_theta_full 32.51 _diffrn_reflns_theta_max 32.51 _diffrn_reflns_theta_min 3.05 _diffrn_standards_decay_% 0 _diffrn_standards_number 0 _exptl_absorpt_coefficient_mu 4.955 _exptl_absorpt_correction_T_max 0.500 _exptl_absorpt_correction_T_min 0.349 _exptl_absorpt_correction_type multi-scan _exptl_absorpt_process_details '(SADABS; Bruker, 2000)' _exptl_crystal_colour colourless _exptl_crystal_density_diffrn 3.159 _exptl_crystal_density_meas ? _exptl_crystal_density_method 'not measured' _exptl_crystal_description block _exptl_crystal_F_000 652 _exptl_crystal_size_max 0.20 _exptl_crystal_size_mid 0.18 _exptl_crystal_size_min 0.14 _refine_diff_density_max 0.73 _refine_diff_density_min -0.82 _refine_ls_extinction_method none _refine_ls_goodness_of_fit_ref 1.073 _refine_ls_hydrogen_treatment none _refine_ls_matrix_type full _refine_ls_number_parameters 64 _refine_ls_number_reflns 1366 _refine_ls_number_restraints 0 _refine_ls_restrained_S_all 1.073 _refine_ls_R_factor_all 0.026 _refine_ls_R_factor_gt 0.022 _refine_ls_shift/su_max <0.001 _refine_ls_shift/su_mean 0.000 _refine_ls_structure_factor_coef Fsqd _refine_ls_weighting_details 'w = 1/[\s^2^(Fo^2^)+(0.0302P)^2^] where P=(Fo^2^+2Fc^2^)/3' _refine_ls_weighting_scheme calc _refine_ls_wR_factor_gt 0.055 _refine_ls_wR_factor_ref 0.056 _reflns_number_gt 1223 _reflns_number_total 1366 _reflns_threshold_expression I>2\s(I) _cod_data_source_file fg1678.cif _cod_data_source_block I _cod_depositor_comments ; The following automatic conversions were performed: '_exptl_crystal_density_meas' value 'not measured' was changed to '?' - the value is perceived as not measured. Automatic conversion script Id: cif_fix_values 3008 2015-01-20 13:52:24Z robertas ; _cod_original_sg_symbol_H-M 'C 2/m' _cod_original_formula_sum 'Al1.60 Ba0.80 O8 Si2.40' _cod_database_code 2013137 _cod_database_fobs_code 2013137 loop_ _symmetry_equiv_pos_as_xyz 'x, y, z' 'x, -y, z' 'x+1/2, y+1/2, z' 'x+1/2, -y+1/2, z' '-x, -y, -z' '-x, y, -z' '-x+1/2, -y+1/2, -z' '-x+1/2, y+1/2, -z' 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 Ba1 0.28318(3) 0.0000 0.13152(4) 0.01796(8) Uani d SP 0.7976(14) . . Ba Al1 0.00846(7) 0.18359(4) 0.22433(8) 0.01116(13) Uani d P 0.3988(7) . . Al Si1 0.00846(7) 0.18359(4) 0.22433(8) 0.01116(13) Uani d P 0.6012(7) . . Si Al2 0.20494(7) 0.38160(4) 0.34646(8) 0.01057(13) Uani d P 0.3988(7) . . Al Si2 0.20494(7) 0.38160(4) 0.34646(8) 0.01057(13) Uani d P 0.6012(7) . . Si O1 0.0000 0.14056(16) 0.0000 0.0175(4) Uani d S 1 . . O O2 0.1254(3) 0.5000 0.2877(4) 0.0193(4) Uani d S 1 . . O O3 0.3272(2) 0.36019(13) 0.2256(3) 0.0233(3) Uani d . 1 . . O O4 0.0273(2) 0.31038(12) 0.2538(3) 0.0203(3) Uani d . 1 . . O O5 0.1850(2) 0.12649(13) 0.4000(2) 0.0212(3) Uani 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 Ba1 0.01254(11) 0.02096(12) 0.01868(12) 0.000 0.00509(8) 0.000 Al1 0.0109(2) 0.0127(2) 0.0102(3) -0.00217(18) 0.0049(2) -0.00089(19) Si1 0.0109(2) 0.0127(2) 0.0102(3) -0.00217(18) 0.0049(2) -0.00089(19) Al2 0.0103(2) 0.0106(2) 0.0108(3) -0.00013(17) 0.0046(2) -0.00002(18) Si2 0.0103(2) 0.0106(2) 0.0108(3) -0.00013(17) 0.0046(2) -0.00002(18) O1 0.0206(10) 0.0215(10) 0.0124(10) 0.000 0.0090(8) 0.000 O2 0.0145(9) 0.0120(9) 0.0280(12) 0.000 0.0057(9) 0.000 O3 0.0205(8) 0.0279(8) 0.0237(9) 0.0037(6) 0.0117(7) -0.0002(7) O4 0.0189(7) 0.0188(7) 0.0234(8) -0.0027(5) 0.0092(6) -0.0008(6) O5 0.0201(7) 0.0249(8) 0.0165(7) 0.0010(6) 0.0058(6) 0.0004(6) loop_ _atom_type_symbol _atom_type_description _atom_type_scat_dispersion_real _atom_type_scat_dispersion_imag _atom_type_scat_source Ba Ba -0.3244 2.2819 'International Tables Vol C Tables 4.2.6.8 and 6.1.1.4' Al Al 0.0645 0.0514 'International Tables Vol C Tables 4.2.6.8 and 6.1.1.4' Si Si 0.0817 0.0704 'International Tables Vol C Tables 4.2.6.8 and 6.1.1.4' O O 0.0106 0.0060 'International Tables Vol C Tables 4.2.6.8 and 6.1.1.4' loop_ _geom_angle_atom_site_label_1 _geom_angle_atom_site_label_2 _geom_angle_atom_site_label_3 _geom_angle_site_symmetry_1 _geom_angle_site_symmetry_3 _geom_angle O2 Ba1 O1 3_545 5 140.20(3) O2 Ba1 O1 3_545 . 140.20(3) O1 Ba1 O1 5 . 79.60(7) O2 Ba1 O5 3_545 . 107.51(5) O1 Ba1 O5 5 . 97.71(4) O1 Ba1 O5 . . 54.00(3) O2 Ba1 O5 3_545 2 107.51(5) O1 Ba1 O5 5 2 54.00(3) O1 Ba1 O5 . 2 97.71(4) O5 Ba1 O5 . 2 68.66(6) O2 Ba1 O3 3_545 8_545 104.57(5) O1 Ba1 O3 5 8_545 53.66(3) O1 Ba1 O3 . 8_545 101.40(4) O5 Ba1 O3 . 8_545 147.75(4) O5 Ba1 O3 2 8_545 98.60(4) O2 Ba1 O3 3_545 7 104.57(5) O1 Ba1 O3 5 7 101.40(4) O1 Ba1 O3 . 7 53.66(3) O5 Ba1 O3 . 7 98.60(4) O5 Ba1 O3 2 7 147.75(4) O3 Ba1 O3 8_545 7 76.22(7) O2 Ba1 O4 3_545 4 52.58(3) O1 Ba1 O4 5 4 167.19(4) O1 Ba1 O4 . 4 87.64(4) O5 Ba1 O4 . 4 73.50(4) O5 Ba1 O4 2 4 127.68(4) O3 Ba1 O4 8_545 4 131.41(4) O3 Ba1 O4 7 4 71.44(4) O2 Ba1 O4 3_545 3_545 52.58(3) O1 Ba1 O4 5 3_545 87.64(4) O1 Ba1 O4 . 3_545 167.19(4) O5 Ba1 O4 . 3_545 127.68(4) O5 Ba1 O4 2 3_545 73.50(4) O3 Ba1 O4 8_545 3_545 71.44(4) O3 Ba1 O4 7 3_545 131.41(4) O4 Ba1 O4 4 3_545 105.08(6) O2 Ba1 Si1 3_545 5 127.17(3) O1 Ba1 Si1 5 5 27.026(13) O1 Ba1 Si1 . 5 87.57(3) O5 Ba1 Si1 . 5 122.16(3) O5 Ba1 Si1 2 5 77.58(3) O3 Ba1 Si1 8_545 5 27.01(3) O3 Ba1 Si1 7 5 85.81(4) O4 Ba1 Si1 4 5 154.72(3) O4 Ba1 Si1 3_545 5 81.50(3) O2 Ba1 Al1 3_545 5 127.17(3) O1 Ba1 Al1 5 5 27.026(13) O1 Ba1 Al1 . 5 87.57(3) O5 Ba1 Al1 . 5 122.16(3) O5 Ba1 Al1 2 5 77.58(3) O3 Ba1 Al1 8_545 5 27.01(3) O3 Ba1 Al1 7 5 85.81(4) O4 Ba1 Al1 4 5 154.72(3) O4 Ba1 Al1 3_545 5 81.50(3) Si1 Ba1 Al1 5 5 0.00(3) O2 Ba1 Al1 3_545 6 127.17(3) O1 Ba1 Al1 5 6 87.57(3) O1 Ba1 Al1 . 6 27.026(13) O5 Ba1 Al1 . 6 77.58(3) O5 Ba1 Al1 2 6 122.16(3) O3 Ba1 Al1 8_545 6 85.81(4) O3 Ba1 Al1 7 6 27.01(3) O4 Ba1 Al1 4 6 81.50(3) O4 Ba1 Al1 3_545 6 154.72(3) Si1 Ba1 Al1 5 6 82.999(19) Al1 Ba1 Al1 5 6 82.999(19) O3 Al1 O4 4_455 . 112.34(9) O3 Al1 O5 4_455 . 112.99(9) O4 Al1 O5 . . 109.76(9) O3 Al1 O1 4_455 . 103.65(7) O4 Al1 O1 . . 114.57(9) O5 Al1 O1 . . 103.15(7) O3 Al1 Ba1 4_455 5 53.82(6) O4 Al1 Ba1 . 5 138.40(6) O5 Al1 Ba1 . 5 111.58(6) O1 Al1 Ba1 . 5 50.77(4) O3 Al1 Ba1 4_455 . 117.42(6) O4 Al1 Ba1 . . 130.14(6) O5 Al1 Ba1 . . 52.68(6) O1 Al1 Ba1 . . 50.57(4) Ba1 Al1 Ba1 5 . 74.935(13) O3 Al2 O5 . 7_556 112.15(8) O3 Al2 O4 . . 112.17(9) O5 Al2 O4 7_556 . 113.39(9) O3 Al2 O2 . . 107.93(10) O5 Al2 O2 7_556 . 108.40(10) O4 Al2 O2 . . 102.11(9) O3 Al2 Ba1 . 3_455 126.50(6) O5 Al2 Ba1 7_556 3_455 119.38(6) O4 Al2 Ba1 . 3_455 59.22(6) O2 Al2 Ba1 . 3_455 43.15(7) O3 Al2 Ba1 . 7 47.42(6) O5 Al2 Ba1 7_556 7 142.61(6) O4 Al2 Ba1 . 7 103.92(6) O2 Al2 Ba1 . 7 64.10(9) Ba1 Al2 Ba1 3_455 7 81.459(12) Si1 O1 Al1 6 6 0.00(6) Si1 O1 Al1 6 . 140.97(14) Al1 O1 Al1 6 . 140.97(14) Si1 O1 Ba1 6 5 102.49(4) Al1 O1 Ba1 6 5 102.49(4) Al1 O1 Ba1 . 5 102.21(4) Si1 O1 Ba1 6 . 102.21(4) Al1 O1 Ba1 6 . 102.21(4) Al1 O1 Ba1 . . 102.49(4) Ba1 O1 Ba1 5 . 100.40(7) Al2 O2 Si2 . 2_565 135.57(14) Al2 O2 Al2 . 2_565 135.57(14) Si2 O2 Al2 2_565 2_565 0.00(7) Al2 O2 Ba1 . 3_455 111.45(7) Si2 O2 Ba1 2_565 3_455 111.45(7) Al2 O2 Ba1 2_565 3_455 111.45(7) Al2 O3 Si1 . 4 150.59(12) Al2 O3 Al1 . 4 150.59(12) Si1 O3 Al1 4 4 0.00(6) Al2 O3 Ba1 . 7 108.30(7) Si1 O3 Ba1 4 7 99.16(7) Al1 O3 Ba1 4 7 99.16(7) Al2 O4 Al1 . . 128.89(10) Al2 O4 Ba1 . 3_455 93.49(7) Al1 O4 Ba1 . 3_455 137.31(8) Si2 O5 Al2 7_556 7_556 0.00(6) Si2 O5 Al1 7_556 . 139.61(11) Al2 O5 Al1 7_556 . 139.61(11) Si2 O5 Ba1 7_556 . 120.00(8) Al2 O5 Ba1 7_556 . 120.00(8) Al1 O5 Ba1 . . 100.22(7) 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 Ba1 O2 3_545 2.665(2) ? Ba1 O1 5 2.8689(14) ? Ba1 O1 . 2.8689(14) ? Ba1 O5 . 2.9307(17) ? Ba1 O5 2 2.9307(17) ? Ba1 O3 8_545 2.9599(17) ? Ba1 O3 7 2.9599(17) ? Ba1 O4 4 3.1212(16) ? Ba1 O4 3_545 3.1212(16) ? Ba1 Si1 5 3.6201(6) ? Ba1 Al1 5 3.6201(6) ? Ba1 Al1 6 3.6201(6) ? Al1 O3 4_455 1.6653(17) ? Al1 O4 . 1.6692(16) ? Al1 O5 . 1.6784(16) ? Al1 O1 . 1.6830(9) ? Al1 Ba1 5 3.6201(6) ? Al2 O3 . 1.6530(17) ? Al2 O5 7_556 1.6615(16) ? Al2 O4 . 1.6656(16) ? Al2 O2 . 1.6710(10) ? Al2 Ba1 3_455 3.6261(6) ? Al2 Ba1 7 3.8164(7) ?