Bis(imido) W(VI) Complexes Chelated by N,N′-Disubstituted 1,8-Diamidonaphthalene: An Analysis of Bonding, Isocyanate Insertion, and Al-Me Transfer
Lavoie, Nathalie; Ong, Tiow-Gan; Gorelsky, Serge I.; Korobkov, Ilia; Yap, Glenn P. A.; Richeson, Darrin S.; Organometallics 26 (2007) 6586–; doi:10.1021/om700763v

data_4073970
_publ_section_title
;
 Bis(imido) W(VI) Complexes Chelated by N,N&#x2032;-Disubstituted
 1,8-Diamidonaphthalene: An Analysis of Bonding, Isocyanate Insertion, and
 Al-Me Transfer
;
_journal_issue                   26
_journal_name_full               Organometallics
_journal_page_first              6586
_journal_paper_doi               10.1021/om700763v
_journal_volume                  26
_journal_year                    2007
_chemical_formula_sum            'C27 H47 Al N4 W'
_chemical_formula_weight         638.52
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_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                 101.544(7)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   9.248(4)
_cell_length_b                   21.027(9)
_cell_length_c                   15.445(7)
_cell_measurement_reflns_used    307
_cell_measurement_temperature    200(2)
_cell_measurement_theta_max      26.42
_cell_measurement_theta_min      1.94
_cell_volume                     2943(2)
_computing_cell_refinement       'SMART, Bruker (2000)'
_computing_data_collection       'SMART, Bruker (2000)'
_computing_data_reduction        'XPREP, Bruker (2000)'
_computing_molecular_graphics    'SHELXTL, Bruker (2000)'
_computing_publication_material  'SHELXTL, Bruker (2000)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      200(2)
_diffrn_measured_fraction_theta_full 0.989
_diffrn_measured_fraction_theta_max 0.989
_diffrn_measurement_device_type  'CCD area detector'
_diffrn_measurement_method       'phi and omega 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  0.0299
_diffrn_reflns_av_sigmaI/netI    0.0265
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       -11
_diffrn_reflns_limit_k_max       26
_diffrn_reflns_limit_k_min       -26
_diffrn_reflns_limit_l_max       19
_diffrn_reflns_limit_l_min       -19
_diffrn_reflns_number            24180
_diffrn_reflns_theta_full        26.42
_diffrn_reflns_theta_max         26.42
_diffrn_reflns_theta_min         1.94
_diffrn_standards_decay_%        <1
_exptl_absorpt_coefficient_mu    3.976
_exptl_absorpt_correction_T_max  0.5036
_exptl_absorpt_correction_T_min  0.2992
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS, Bruker (2000)'
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.441
_exptl_crystal_density_meas      ?
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1296
_exptl_crystal_size_max          0.40
_exptl_crystal_size_mid          0.20
_exptl_crystal_size_min          0.20
_refine_diff_density_max         2.003
_refine_diff_density_min         -0.830
_refine_diff_density_rms         0.131
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.015
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     298
_refine_ls_number_reflns         5990
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.015
_refine_ls_R_factor_all          0.0433
_refine_ls_R_factor_gt           0.0339
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.001
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0645P)^2^+16.2249P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1043
_refine_ls_wR_factor_ref         0.1127
_reflns_number_gt                5144
_reflns_number_total             5990
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            om700763v-file003.cif
_cod_data_source_block           dr41
_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_values 1715 2011-07-08 13:25:40Z adriana 

The following automatic conversions were performed:

'_exptl_crystal_density_meas' value 'n/a' was changed to '?' - the
value is perceived as not measured.

Automatic conversion script
Id: cif_fix_values 3008 2015-01-20 13:52:24Z robertas 
;
_cod_original_cell_volume        2942(2)
_cod_original_sg_symbol_H-M      P2(1)/c
_cod_database_code               4073970