Effective Control of Ligation and Geometric Isomerism: Direct Comparison of Steric Properties Associated with Bis-mesityl and Bis-diisopropylphenyl m-Terphenyl Isocyanides
Treffly B. Ditri; Brian J. Fox; Curtis E. Moore; Arnold L. Rheingold; Joshua S. Figueroa; Inorganic Chemistry 48 (2009) 8362–8375; doi:10.1021/ic9010828

data_4303091
_publ_section_title
;
Effective Control of Ligation and Geometric Isomerism: Direct Comparison of
Steric Properties Associated with Bis-mesityl and
Bis-diisopropylphenyl m-Terphenyl Isocyanides
;
_journal_name_full               'Inorganic Chemistry'
_journal_page_first              8362
_journal_page_last               8375
_journal_paper_doi               10.1021/ic9010828
_journal_volume                  48
_journal_year                    2009
_chemical_formula_sum            'C65.5 H74 Mo N2.25 O3'
_chemical_formula_weight         1036.71
_chemical_name_common            Mo(NCMe)(CO)3(CNArDipp2)2
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           87
_symmetry_cell_setting           tetragonal
_symmetry_space_group_name_Hall  '-I 4'
_symmetry_space_group_name_H-M   'I 4/m'
_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                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   20.7048(5)
_cell_length_b                   20.7048(5)
_cell_length_c                   19.9285(6)
_cell_measurement_reflns_used    6751
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      65.30
_cell_measurement_theta_min      3.02
_cell_volume                     8543.1(4)
_computing_cell_refinement       'Bruker SAINT'
_computing_data_collection       'Bruker APEX2'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      100(2)
_diffrn_measured_fraction_theta_full 0.995
_diffrn_measured_fraction_theta_max 0.971
_diffrn_measurement_device_type  'Bruker APEX-II CCD'
_diffrn_measurement_method       '\f and \w scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           CuK\a
_diffrn_radiation_wavelength     1.54178
_diffrn_reflns_av_R_equivalents  0.0528
_diffrn_reflns_av_sigmaI/netI    0.0305
_diffrn_reflns_limit_h_max       24
_diffrn_reflns_limit_h_min       -23
_diffrn_reflns_limit_k_max       24
_diffrn_reflns_limit_k_min       -24
_diffrn_reflns_limit_l_max       22
_diffrn_reflns_limit_l_min       -22
_diffrn_reflns_number            19787
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         65.97
_diffrn_reflns_theta_min         3.02
_exptl_absorpt_coefficient_mu    1.491
_exptl_absorpt_correction_T_max  0.7548
_exptl_absorpt_correction_T_min  0.7255
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   SADABS
_exptl_crystal_colour            red
_exptl_crystal_density_diffrn    0.806
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       Block
_exptl_crystal_F_000             2195
_exptl_crystal_size_max          0.23
_exptl_crystal_size_mid          0.22
_exptl_crystal_size_min          0.20
_refine_diff_density_max         0.548
_refine_diff_density_min         -0.831
_refine_diff_density_rms         0.067
_refine_ls_extinction_coef       0.00004(3)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     SHELXL
_refine_ls_goodness_of_fit_ref   1.098
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     232
_refine_ls_number_reflns         3739
_refine_ls_number_restraints     207
_refine_ls_restrained_S_all      1.144
_refine_ls_R_factor_all          0.0895
_refine_ls_R_factor_gt           0.0699
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.1617P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.2205
_refine_ls_wR_factor_ref         0.2389
_reflns_number_gt                2555
_reflns_number_total             3739
_reflns_threshold_expression     >2\s(I)
_cod_data_source_file            ic9010828_si_002_09.cif
_cod_data_source_block           jfig180
_cod_depositor_comments
;
The following automatic conversions were performed:
'_symmetry_cell_setting' value 'Tetragonal' changed to 'tetragonal'
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 
;
_cod_original_formula_sum        'C65.50 H74 Mo N2.25 O3'
_cod_database_code               4303091