Monocarbollide complexes of molybdenum and tungsten: functionalization through reactions at a cage boron centre ‡
Du, Shaowu; Franken, Andreas; Jelliss†, Paul A.; Kautz, Jason A.; Stone, F. Gordon A.; Yu, Pui-Yin; Journal of the Chemical Society, Dalton Transactions  (2001) 1846–; doi:10.1039/b101003o

data_7702553
_publ_section_title
;
 Monocarbollide complexes of molybdenum and tungsten: functionalization
 through reactions at a cage boron centre&#x200A;&#x2021;
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_journal_issue                   12
_journal_name_full
'Journal of the Chemical Society, Dalton Transactions'
_journal_page_first              1846
_journal_paper_doi               10.1039/b101003o
_journal_year                    2001
_chemical_formula_sum            'C27 H37 B10 O4 P W'
_chemical_formula_weight         748.49
_space_group_IT_number           14
_space_group_name_Hall           '-P 2ybc'
_space_group_name_H-M_alt        'P 1 21/c 1'
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_H-M   'P 1 21/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                 92.272(10)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   11.916(2)
_cell_length_b                   13.606(2)
_cell_length_c                   20.455(2)
_cell_measurement_reflns_used    25
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      20
_cell_measurement_theta_min      15
_cell_volume                     3313.7(8)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 0.954
_diffrn_measured_fraction_theta_max 0.994
_diffrn_measurement_device_type  'Enraf-Nonius CAD4'
_diffrn_measurement_method       w-5/3q
_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  0.0364
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_diffrn_reflns_limit_h_max       13
_diffrn_reflns_limit_h_min       0
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_diffrn_reflns_limit_l_min       -23
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_diffrn_standards_decay_%        6.26
_diffrn_standards_interval_time  120
_diffrn_standards_number         3
_exptl_absorpt_coefficient_mu    3.566
_exptl_absorpt_correction_T_max  0.7635
_exptl_absorpt_correction_T_min  0.4693
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_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.500
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plates
_exptl_crystal_F_000             1480
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_exptl_crystal_size_mid          0.25
_exptl_crystal_size_min          0.08
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_refine_diff_density_min         -0.626
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_refine_ls_extinction_method     none
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_refine_ls_restrained_S_all      1.052
_refine_ls_R_factor_all          0.0766
_refine_ls_R_factor_gt           0.0438
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_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0250P)^2^+3.8073P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0799
_refine_ls_wR_factor_ref         0.0818
_reflns_number_gt                3631
_reflns_number_total             5211
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            b101003o.txt
_cod_data_source_block           31
_cod_depositor_comments
;
The following automatic conversions were performed:

data item '_exptl_absorpt_correction_type' value 'Numerical' was
changed to 'numerical' in accordance with the
/home/saulius/struct/COD-crude-data/automatic-downloads/DataCite-retrospective/RSC/depositions/lib/dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 last updated on
2011-04-26.

data item '_symmetry_cell_setting' value 'Monoclinic' was changed to
'monoclinic' in accordance with the
/home/saulius/struct/COD-crude-data/automatic-downloads/DataCite-retrospective/RSC/depositions/lib/dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 last updated on
2011-04-26.

data item '_refine_ls_weighting_scheme' value 'calc
w=1/[\s^2^(Fo^2^)+(0.0250P)^2^+3.8073P] where P=(Fo^2^+2Fc^2^)/3' was
changed to 'calc'. A new data item '_refine_ls_weighting_details' was
created with the value set to
'w=1/[\s^2^(Fo^2^)+(0.0250P)^2^+3.8073P] where P=(Fo^2^+2Fc^2^)/3'.

Automatic conversion script
Id: cif_fix_values 6909 2019-04-08 15:41:33Z antanas 
;
_cod_original_cell_volume        3313.9(7)
_cod_original_sg_symbol_H-M      P2(1)/c
_cod_database_code               7702553