Systematic Approach for the Construction of Niobium and Tantalum Sulfide Clusters.
Gómez, Manuel; Hernández-Prieto, Cristina; Martín, Avelino; Mena, Miguel; Santamaría, Cristina; Inorganic chemistry 55 (2016) 3815–3821; doi:10.1021/acs.inorgchem.5b02816

data_4347164
_publ_section_title
;
 Systematic Approach for the Construction of Niobium and Tantalum Sulfide
 Clusters.
;
_journal_issue                   8
_journal_name_full               'Inorganic chemistry'
_journal_page_first              3815
_journal_page_last               3821
_journal_paper_doi               10.1021/acs.inorgchem.5b02816
_journal_volume                  55
_journal_year                    2016
_chemical_formula_moiety         'C52 H56 Cl4 N8 S4 Ta4, 4 (C7H8)'
_chemical_formula_sum            'C80 H88 Cl4 N8 S4 Ta4'
_chemical_formula_weight         2155.42
_space_group_IT_number           2
_space_group_name_Hall           '-P 1'
_space_group_name_H-M_alt        'P -1'
_symmetry_cell_setting           triclinic
_symmetry_Int_Tables_number      2
_symmetry_space_group_name_Hall  '-P 1'
_symmetry_space_group_name_H-M   'P -1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_cell_angle_alpha                96.721(8)
_cell_angle_beta                 116.837(8)
_cell_angle_gamma                114.456(8)
_cell_formula_units_Z            2
_cell_length_a                   17.314(2)
_cell_length_b                   17.8290(18)
_cell_length_c                   18.0574(18)
_cell_measurement_reflns_used    66
_cell_measurement_temperature    200(2)
_cell_measurement_theta_max      20
_cell_measurement_theta_min      3
_cell_measurement_wavelength     0.71073
_cell_volume                     4198.6(10)
_computing_cell_refinement
'Dirax/lsq (Duisenberg & Schreurs, 1989-2000)'
_computing_data_collection       'Collect (Bruker AXS BV, 1997-2004)'
_computing_data_reduction        'EvalCCD (Duisenberg & Schreurs 1990-2000)'
_computing_molecular_graphics    'DIAMOND (Brandenburg, 2006)'
_computing_publication_material  'WinGX publication routines (Farrugia, 2012)'
_computing_structure_refinement  'SHELXL-2014/7 (Sheldrick, 2014)'
_computing_structure_solution    'SHELXS-2013/1 (Sheldrick, 2008)'
_diffrn_ambient_temperature      200(2)
_diffrn_detector                 'CCD plate'
_diffrn_detector_area_resol_mean 9
_diffrn_measured_fraction_theta_full 0.997
_diffrn_measured_fraction_theta_max 0.997
_diffrn_measurement_device       '95mm CCD camera on \k-goniostat'
_diffrn_measurement_device_type  KappaCCD
_diffrn_measurement_method       'CCD rotation images, thick slices'
_diffrn_orient_matrix_UB_11      0.01
_diffrn_orient_matrix_UB_12      0
_diffrn_orient_matrix_UB_13      0
_diffrn_orient_matrix_UB_21      0
_diffrn_orient_matrix_UB_22      0.01
_diffrn_orient_matrix_UB_23      0
_diffrn_orient_matrix_UB_31      0
_diffrn_orient_matrix_UB_32      0
_diffrn_orient_matrix_UB_33      0.01
_diffrn_radiation_monochromator  'horizonally mounted graphite crystal'
_diffrn_radiation_probe          x-ray
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.1543
_diffrn_reflns_av_unetI/netI     0.0917
_diffrn_reflns_Laue_measured_fraction_full 0.997
_diffrn_reflns_Laue_measured_fraction_max 0.997
_diffrn_reflns_limit_h_max       20
_diffrn_reflns_limit_h_min       -20
_diffrn_reflns_limit_k_max       21
_diffrn_reflns_limit_k_min       -21
_diffrn_reflns_limit_l_max       21
_diffrn_reflns_limit_l_min       -21
_diffrn_reflns_number            78976
_diffrn_reflns_point_group_measured_fraction_full 0.997
_diffrn_reflns_point_group_measured_fraction_max 0.997
_diffrn_reflns_reduction_process
;
        Scaled and merged with Sortav
        R.H. Blessing, (1987) Cryst. Rev. 1, 3-58
        R.H. Blessing, (1989) J. Appl. Cryst. 22, 396-397
;
_diffrn_reflns_theta_full        25
_diffrn_reflns_theta_max         25.242
_diffrn_reflns_theta_min         3.039
_diffrn_source                   'Enraf Nonius FR590'
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    5.467
_exptl_absorpt_correction_T_max  0.569
_exptl_absorpt_correction_T_min  0.474
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
 R.H. Blessing, Acta Cryst. (1995), A51, 33-38
;
_exptl_crystal_colour            'pale yellow'
_exptl_crystal_density_diffrn    1.705
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             2096
_exptl_crystal_size_max          0.25
_exptl_crystal_size_mid          0.15
_exptl_crystal_size_min          0.1
_refine_diff_density_max         2.555
_refine_diff_density_min         -1.934
_refine_diff_density_rms         0.288
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.145
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_constraints    0
_refine_ls_number_parameters     813
_refine_ls_number_reflns         15159
_refine_ls_number_restraints     261
_refine_ls_restrained_S_all      1.137
_refine_ls_R_factor_all          0.1379
_refine_ls_R_factor_gt           0.0791
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0001P)^2^+198.5583P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1564
_refine_ls_wR_factor_ref         0.1868
_reflns_Friedel_coverage         0
_reflns_number_gt                9929
_reflns_number_total             15159
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            ic5b02816_si_001.cif
_cod_data_source_block           8
_cod_original_cell_volume        4198.6(9)
_cod_database_code               4347164
_shelx_res_checksum              98116
_shelx_hkl_checksum              98604
_shelx_fab_checksum              97063