Mono-anionic acetophenone imine ligands: synthesis, ortho-lithiation and first examples of group (v) metal complexes
Neshat, Abdollah; Seambos, Cheryl L.; Beck, John F.; Schmidt, Joseph A. R.; Dalton Transactions  (2009) 4987–5000; doi:10.1039/b903836a

data_7001482
_publ_section_title
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 Mono-anionic acetophenone imine ligands: synthesis, ortho-lithiation
 and first examples of group (v) metal complexes
;
_journal_issue                   25
_journal_name_full               'Dalton Transactions'
_journal_page_first              4987
_journal_page_last               5000
_journal_paper_doi               10.1039/b903836a
_journal_year                    2009
_chemical_formula_sum            'C46 H49 Cl N3 Nb O4'
_chemical_formula_weight         836.24
_chemical_name_systematic
;
?
;
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_Int_Tables_number      14
_symmetry_space_group_name_Hall  '-P 2ybc'
_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                 99.7740(10)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   13.4669(6)
_cell_length_b                   12.2295(5)
_cell_length_c                   25.2702(11)
_cell_measurement_reflns_used    5648
_cell_measurement_temperature    140(2)
_cell_measurement_theta_max      28.25
_cell_measurement_theta_min      2.26
_cell_volume                     4101.4(3)
_computing_cell_refinement       'Bruker SMART'
_computing_data_collection       'Bruker SMART'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      140(2)
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.999
_diffrn_measurement_device_type  'SMART CCD'
_diffrn_measurement_method       \w-scan
_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  0.0727
_diffrn_reflns_av_sigmaI/netI    0.0648
_diffrn_reflns_limit_h_max       17
_diffrn_reflns_limit_h_min       -17
_diffrn_reflns_limit_k_max       16
_diffrn_reflns_limit_k_min       -16
_diffrn_reflns_limit_l_max       33
_diffrn_reflns_limit_l_min       -33
_diffrn_reflns_number            45419
_diffrn_reflns_theta_full        28.29
_diffrn_reflns_theta_max         28.29
_diffrn_reflns_theta_min         1.53
_exptl_absorpt_coefficient_mu    0.405
_exptl_absorpt_correction_T_max  1.000
_exptl_absorpt_correction_T_min  0.783
_exptl_absorpt_correction_type   empirical
_exptl_absorpt_process_details   SADABS
_exptl_crystal_colour            block
_exptl_crystal_density_diffrn    1.354
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       red
_exptl_crystal_F_000             1744
_exptl_crystal_size_max          0.20
_exptl_crystal_size_mid          0.10
_exptl_crystal_size_min          0.10
_refine_diff_density_max         0.569
_refine_diff_density_min         -1.136
_refine_diff_density_rms         0.086
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.928
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     496
_refine_ls_number_reflns         10183
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.928
_refine_ls_R_factor_all          0.0546
_refine_ls_R_factor_gt           0.0361
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0542P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0903
_refine_ls_wR_factor_ref         0.0950
_reflns_number_gt                7393
_reflns_number_total             10183
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            b903836a.txt
_cod_data_source_block           (3)2Nb(N-2,6-iPr2C6H3)Cl_(17)
_cod_depositor_comments
;
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 
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_cod_original_sg_symbol_H-M      P2(1)/c
_cod_database_code               7001482