Oxidation Chemistry of Axially Protected Mo2 and W2 Quadruply Bonded Compounds
Michael Nippe; Eric Victor; John F. Berry; Inorganic Chemistry 48 (2009) 11889–11895; doi:10.1021/ic901965b

data_4303936
_publ_section_title
;
Oxidation Chemistry of Axially Protected Mo2 and W2 Quadruply Bonded Compounds
;
_journal_name_full               'Inorganic Chemistry'
_journal_page_first              11889
_journal_page_last               11895
_journal_paper_doi               10.1021/ic901965b
_journal_volume                  48
_journal_year                    2009
_chemical_formula_moiety         'C30 H24 Cl2 N9 W2, C24 H20 B, 2(C H2 Cl2)'
_chemical_formula_sum            'C56 H48 B Cl6 N9 W2'
_chemical_formula_weight         1438.24
_space_group_IT_number           2
_symmetry_cell_setting           triclinic
_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
_audit_creation_method           SHELXL-97
_cell_angle_alpha                95.344(3)
_cell_angle_beta                 97.282(3)
_cell_angle_gamma                106.848(3)
_cell_formula_units_Z            2
_cell_length_a                   12.8921(18)
_cell_length_b                   13.561(2)
_cell_length_c                   16.281(2)
_cell_measurement_reflns_used    6671
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      28.2687
_cell_measurement_theta_min      2.2594
_cell_volume                     2676.8(6)
_computing_cell_refinement       'SAINT Ver. 6.22  (Bruker-AXS, 2003)'
_computing_data_collection       'SMART Ver. 5.622 (Bruker-AXS, 2003)'
_computing_data_reduction        'SAINT Ver. 6.22'
_computing_molecular_graphics    'SHELXTL Ver. 6.14'
_computing_publication_material  'SHELXTL Ver. 6.14'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      100(2)
_diffrn_measured_fraction_theta_full 0.981
_diffrn_measured_fraction_theta_max 0.981
_diffrn_measurement_device_type  'Bruker CCD-1000 area detector'
_diffrn_measurement_method       '0.30\% \w scans'
_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  0.0335
_diffrn_reflns_av_sigmaI/netI    0.0453
_diffrn_reflns_limit_h_max       17
_diffrn_reflns_limit_h_min       -17
_diffrn_reflns_limit_k_max       17
_diffrn_reflns_limit_k_min       -18
_diffrn_reflns_limit_l_max       21
_diffrn_reflns_limit_l_min       -21
_diffrn_reflns_number            32999
_diffrn_reflns_theta_full        28.31
_diffrn_reflns_theta_max         28.31
_diffrn_reflns_theta_min         1.27
_exptl_absorpt_coefficient_mu    4.642
_exptl_absorpt_correction_T_max  0.5313
_exptl_absorpt_correction_T_min  0.3253
_exptl_absorpt_correction_type   multi-scan
_exptl_crystal_colour            brown
_exptl_crystal_density_diffrn    1.784
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       needle
_exptl_crystal_F_000             1404
_exptl_crystal_size_max          0.31
_exptl_crystal_size_mid          0.16
_exptl_crystal_size_min          0.16
_refine_diff_density_max         2.591
_refine_diff_density_min         -1.649
_refine_diff_density_rms         0.237
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.079
_refine_ls_hydrogen_treatment    undef
_refine_ls_matrix_type           full
_refine_ls_number_parameters     667
_refine_ls_number_reflns         13061
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.079
_refine_ls_R_factor_all          0.0549
_refine_ls_R_factor_gt           0.0372
_refine_ls_shift/su_max          0.002
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0635P)^2^+4.0911P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0957
_refine_ls_wR_factor_ref         0.1136
_reflns_number_gt                10277
_reflns_number_total             13061
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ic901965b_si_001_6.cif
_cod_data_source_block           3.2CH2Cl2
_cod_original_cell_volume        2676.9(7)
_cod_database_code               4303936