Oxygen-Centered Hexatantalum Tetradecaimido Cluster Complexes
Jamin L. Krinsky; Laura L. Anderson; John Arnold; Robert G. Bergman; Inorganic Chemistry 47 (2008) 1053–1066; doi:10.1021/ic701920v

data_4304418
_publ_section_title
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Oxygen-Centered Hexatantalum Tetradecaimido Cluster Complexes
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_journal_name_full               'Inorganic Chemistry'
_journal_page_first              1053
_journal_page_last               1066
_journal_paper_doi               10.1021/ic701920v
_journal_volume                  47
_journal_year                    2008
_chemical_formula_moiety         'C84 H70 N14 O Ta6, C20 H30 Co, 4(C4 H8 O)'
_chemical_formula_sum            'C120 H132 Co N14 O5 Ta6'
_chemical_formula_weight         2995.03
_space_group_IT_number           15
_symmetry_cell_setting           monoclinic
_symmetry_Int_Tables_number      15
_symmetry_space_group_name_Hall  '-C 2yc'
_symmetry_space_group_name_H-M   'C 1 2/c 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                90.00
_cell_angle_beta                 99.8360(10)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   24.989(2)
_cell_length_b                   15.2762(14)
_cell_length_c                   29.288(3)
_cell_measurement_reflns_used    5372
_cell_measurement_temperature    136(2)
_cell_measurement_theta_max      24.62
_cell_measurement_theta_min      3.32
_cell_volume                     11016.0(18)
_computing_cell_refinement       'Bruker-AXS SAINT v6.40'
_computing_data_collection       'Bruker-AXS SMART v5.054'
_computing_data_reduction        'Bruker-AXS SAINT v6.40'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      136(2)
_diffrn_measured_fraction_theta_full 0.986
_diffrn_measured_fraction_theta_max 0.986
_diffrn_measurement_device_type  'Bruker SMART 1000'
_diffrn_measurement_method       '\w scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0459
_diffrn_reflns_av_sigmaI/netI    0.0577
_diffrn_reflns_limit_h_max       23
_diffrn_reflns_limit_h_min       -29
_diffrn_reflns_limit_k_max       17
_diffrn_reflns_limit_k_min       -16
_diffrn_reflns_limit_l_max       34
_diffrn_reflns_limit_l_min       -27
_diffrn_reflns_number            27405
_diffrn_reflns_theta_full        24.72
_diffrn_reflns_theta_max         24.72
_diffrn_reflns_theta_min         3.32
_diffrn_source                   'fine-focus sealed tube'
_diffrn_standards_decay_%        0
_diffrn_standards_interval_count 0
_diffrn_standards_interval_time  0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    6.141
_exptl_absorpt_correction_T_max  0.6394
_exptl_absorpt_correction_T_min  0.3731
_exptl_absorpt_correction_type   empirical
_exptl_absorpt_process_details   'Blessing, 1995'
_exptl_crystal_colour            'green black'
_exptl_crystal_density_diffrn    1.806
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             5820
_exptl_crystal_size_max          0.20
_exptl_crystal_size_mid          0.17
_exptl_crystal_size_min          0.08
_refine_diff_density_max         1.809
_refine_diff_density_min         -1.202
_refine_diff_density_rms         0.231
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.049
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     615
_refine_ls_number_reflns         9309
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.049
_refine_ls_R_factor_all          0.0673
_refine_ls_R_factor_gt           0.0389
_refine_ls_shift/su_max          0.008
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0497P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0848
_refine_ls_wR_factor_ref         0.0939
_reflns_number_gt                6795
_reflns_number_total             9309
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ic701920v-file005.cif
_cod_data_source_block           compound_10
_cod_depositor_comments
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The following automatic conversions were performed:
'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
according to '/home/saulius/struct/CIF-dictionaries/cif_core.dic'
dictionary named 'cif_core.dic' version 2.4.1 from 2010-06-29.

Automatic conversion script
Id: cif_fix_enum 1527 2010-12-29 10:47:43Z saulius 
;
_cod_original_sg_symbol_H-M      'C 2/c'
_cod_database_code               4304418