Groups 5 and 6 Terminal Hydrazido(2-) Complexes: Nβ Substituent Effects on Ligand-to-Metal Charge-Transfer Energies and Oxidation States
Ian A. Tonks; Alec C. Durrell; Harry B. Gray; John E. Bercaw; Journal of the American Chemical Society 134 (2012) 7301–7304; doi:10.1021/ja302275j

data_4117889
_publ_contact_author
;       Michael W. Day
        Beckman Institute
        California Institute of Technology
        Pasadena, CA  91125
        USA
;
_publ_contact_author_email       mikeday@caltech.edu
_publ_contact_author_fax         '(818) 449 4159'
_publ_contact_author_phone       '(818) 395 2734'
_publ_section_title
;
 Groups 5 and 6 Terminal Hydrazido(2-) Complexes: N\b Substituent Effects
 on Ligand-to-Metal Charge-Transfer Energies and Oxidation States
;
_journal_name_full               'Journal of the American Chemical Society'
_journal_page_first              7301
_journal_page_last               7304
_journal_paper_doi               10.1021/ja302275j
_journal_volume                  134
_journal_year                    2012
_chemical_formula_moiety         'C16 H20 Cl3 N2 Nb O2'
_chemical_formula_sum            'C16 H20 Cl3 N2 Nb O2'
_chemical_formula_weight         471.60
_chemical_name_systematic
;
 ?
;
_space_group_IT_number           7
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  'P -2yac'
_symmetry_space_group_name_H-M   'P 1 n 1'
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_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                90.00
_cell_angle_beta                 91.137(2)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   10.9592(4)
_cell_length_b                   14.1496(5)
_cell_length_c                   12.5713(4)
_cell_measurement_reflns_used    9757
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      35.51
_cell_measurement_theta_min      2.35
_cell_volume                     1949.03(12)
_computing_cell_refinement       'Bruker SAINT-Plus v7.68A'
_computing_data_collection       'Bruker APEX2 v2009.7-0'
_computing_data_reduction        'Bruker SAINT-Plus v7.68A'
_computing_molecular_graphics    'Bruker XP v5.1'
_computing_publication_material  'Bruker XCIF 2008'
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_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      100(2)
_diffrn_measured_fraction_theta_full 0.999
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_diffrn_reflns_limit_h_max       18
_diffrn_reflns_limit_h_min       -18
_diffrn_reflns_limit_k_max       23
_diffrn_reflns_limit_k_min       -23
_diffrn_reflns_limit_l_max       20
_diffrn_reflns_limit_l_min       -20
_diffrn_reflns_number            68296
_diffrn_reflns_theta_full        36.16
_diffrn_reflns_theta_max         36.16
_diffrn_reflns_theta_min         2.17
_exptl_absorpt_coefficient_mu    1.039
_exptl_absorpt_correction_T_max  0.9123
_exptl_absorpt_correction_T_min  0.8113
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            Green
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_refine_ls_number_reflns         18290
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_refine_ls_R_factor_all          0.0353
_refine_ls_R_factor_gt           0.0290
_refine_ls_shift/su_max          0.007
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details     w=1/s^2^(Fo^2^)
_refine_ls_weighting_scheme      sigma
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_refine_ls_wR_factor_ref         0.0427
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_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ja302275j_si_002_09.cif
_cod_data_source_block           2d
_cod_depositor_comments
;
The following automatic conversions were performed:

'_atom_sites_solution_primary' value 'direct methods' was changed to
'direct'.

'_atom_sites_solution_secondary' value 'Difference Fourier map' was
changed to 'difmap'.

'_atom_sites_solution_hydrogens' value 'Geometric positions' was
changed to 'geom'.

Automatic conversion script
Id: cif_fix_values 6452 2018-10-05 10:23:21Z andrius 
;
_cod_database_code               4117889