Syntheses, Crystal Structures, Resistivity Studies, and Electronic Properties of Three New Barium Actinide Tellurides: BaThTe4, BaUTe4, and BaUTe6.
Prakash, Jai; Lebègue, Sébastien; Malliakas, Christos D.; Ibers, James A.; Inorganic chemistry  (2014) 141111074323002–; doi:10.1021/ic502246p

data_4341618
_publ_section_title
;
 Syntheses, Crystal Structures, Resistivity Studies, and Electronic
 Properties of Three New Barium Actinide Tellurides: BaThTe4, BaUTe4, and
 BaUTe6.
;
_journal_name_full               'Inorganic chemistry'
_journal_page_first              141111074323002
_journal_paper_doi               10.1021/ic502246p
_journal_year                    2014
_chemical_formula_sum            'Ba Te6 U'
_chemical_formula_weight         1140.97
_chemical_name_common            BaUTe6
_space_group_crystal_system      monoclinic
_space_group_IT_number           14
_space_group_name_Hall           '-P 2ybc'
_space_group_name_H-M_alt        'P 1 21/c 1'
_symmetry_space_group_name_Hall  '-P 2ybc'
_symmetry_space_group_name_H-M   'P 1 21/c 1'
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-2014/6
_cell_angle_alpha                90
_cell_angle_beta                 91.424(2)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   8.8483(3)
_cell_length_b                   15.0414(4)
_cell_length_c                   8.0855(2)
_cell_measurement_reflns_used    4191
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      30.10
_cell_measurement_theta_min      2.67
_cell_volume                     1075.77(5)
_computing_cell_refinement       'Bruker SAINT'
_computing_data_collection       'Bruker APEX2'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-2014/6 (Sheldrick, 2014)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008a)'
_diffrn_ambient_temperature      100(2)
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device_type  'Bruker APEX-II CCD'
_diffrn_measurement_method       '\f and \w scans'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0675
_diffrn_reflns_av_unetI/netI     0.0295
_diffrn_reflns_Laue_measured_fraction_full 0.998
_diffrn_reflns_Laue_measured_fraction_max 0.998
_diffrn_reflns_limit_h_max       12
_diffrn_reflns_limit_h_min       -12
_diffrn_reflns_limit_k_max       21
_diffrn_reflns_limit_k_min       -21
_diffrn_reflns_limit_l_max       11
_diffrn_reflns_limit_l_min       -11
_diffrn_reflns_number            37498
_diffrn_reflns_point_group_measured_fraction_full 0.998
_diffrn_reflns_point_group_measured_fraction_max 0.998
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         30.076
_diffrn_reflns_theta_min         2.861
_diffrn_source                   'fine-focus sealed tube'
_exptl_absorpt_coefficient_mu    34.546
_exptl_absorpt_correction_T_max  0.51597
_exptl_absorpt_correction_T_min  0.15433
_exptl_absorpt_correction_type   numerical
_exptl_absorpt_process_details   'face indexed, SADABS (Sheldrick, 2008b)'
_exptl_crystal_colour            Black
_exptl_crystal_density_diffrn    7.045
_exptl_crystal_density_meas      ?
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       Needle
_exptl_crystal_F_000             1840
_exptl_crystal_size_max          0.111
_exptl_crystal_size_mid          0.039
_exptl_crystal_size_min          0.025
_refine_diff_density_max         2.139
_refine_diff_density_min         -1.810
_refine_diff_density_rms         0.492
_refine_ls_extinction_coef       0.00062(5)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     SHELXL
_refine_ls_goodness_of_fit_ref   1.516
_refine_ls_hydrogen_treatment    undef
_refine_ls_matrix_type           full
_refine_ls_number_parameters     74
_refine_ls_number_reflns         3160
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.516
_refine_ls_R_factor_all          0.0384
_refine_ls_R_factor_gt           0.0306
_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^)+(0.0167P)^2^] where P=(1.0000Fo^2^+0.0000Fc^2^)'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0591
_refine_ls_wR_factor_ref         0.0614
_reflns_Friedel_coverage         0.000
_reflns_number_gt                2813
_reflns_number_total             3160
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            ic502246p_si_001.cif
_cod_data_source_block           BaUTe6
_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 
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_cod_database_code               4341618
_shelxl_version_number           2014/6
_shelx_res_checksum              79058
_shelx_hkl_checksum              13575