N Heterocyclic Carbene and Cyclic (Alkyl)(amino)carbene Complexes of Molybdenum(IV) and Tungsten(IV)
Luz, Christian; Glok, Eduard; Horrer, Günther; Radius, Udo; Dalton Transactions  (2022) –; doi:10.1039/D2DT03409C

data_7711766
_publ_section_title
;
 N Heterocyclic Carbene and Cyclic (Alkyl)(amino)carbene Complexes of
 Molybdenum(IV) and Tungsten(IV)
;
_journal_name_full               'Dalton Transactions'
_journal_paper_doi               10.1039/D2DT03409C
_journal_year                    2022
_chemical_formula_moiety         '2(C28 H34 Cl4 N4 W), C7 H8'
_chemical_formula_sum            'C63 H76 Cl8 N8 W2'
_chemical_formula_weight         1596.61
_space_group_crystal_system      monoclinic
_space_group_IT_number           14
_space_group_name_Hall           '-P 2ybc'
_space_group_name_H-M_alt        'P 1 21/c 1'
_atom_sites_solution_hydrogens   mixed
_atom_sites_solution_primary     dual
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-2018/3
_audit_update_record
;
2022-10-20 deposited with the CCDC.	2022-11-14 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 104.6420(10)
_cell_angle_gamma                90
_cell_formula_units_Z            2
_cell_length_a                   11.70700(10)
_cell_length_b                   13.89840(10)
_cell_length_c                   20.9439(2)
_cell_measurement_reflns_used    23600
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      76.5640
_cell_measurement_theta_min      3.8950
_cell_volume                     3297.08(5)
_computing_cell_refinement       'CrysAlisPro 1.171.40.53 (Rigaku OD, 2019)'
_computing_data_collection       'CrysAlisPro 1.171.40.53 (Rigaku OD, 2019)'
_computing_data_reduction        'CrysAlisPro 1.171.40.53 (Rigaku OD, 2019)'
_computing_molecular_graphics    'ShelXLe (Huebschle et all, 2011)'
_computing_publication_material  'SHELXL-2014/6 (Sheldrick, 2014)'
_computing_structure_refinement  'SHELXL-2018/3 (Sheldrick, 2018)'
_computing_structure_solution    'SHELXT 2014/5 (Sheldrick, 2014)'
_diffrn_ambient_temperature      100(2)
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 0.993
_diffrn_measurement_device_type  'XtaLAB Synergy, Dualflex, HyPix'
_diffrn_measurement_method       '\w scans'
_diffrn_radiation_type           CuK\a
_diffrn_radiation_wavelength     1.54184
_diffrn_reflns_av_R_equivalents  0.0468
_diffrn_reflns_av_unetI/netI     0.0331
_diffrn_reflns_Laue_measured_fraction_full 1.000
_diffrn_reflns_Laue_measured_fraction_max 0.993
_diffrn_reflns_limit_h_max       14
_diffrn_reflns_limit_h_min       -14
_diffrn_reflns_limit_k_max       17
_diffrn_reflns_limit_k_min       -13
_diffrn_reflns_limit_l_max       26
_diffrn_reflns_limit_l_min       -26
_diffrn_reflns_number            38491
_diffrn_reflns_point_group_measured_fraction_full 1.000
_diffrn_reflns_point_group_measured_fraction_max 0.993
_diffrn_reflns_theta_full        72.000
_diffrn_reflns_theta_max         77.653
_diffrn_reflns_theta_min         3.857
_diffrn_source                   'micro-focus sealed X-ray tube'
_exptl_absorpt_coefficient_mu    9.682
_exptl_absorpt_correction_T_max  0.730
_exptl_absorpt_correction_T_min  0.387
_exptl_absorpt_correction_type   gaussian
_exptl_absorpt_process_details
;
CrysAlisPro 1.171.41.73a (Rigaku Oxford Diffraction, 2020)
Numerical absorption correction based on gaussian integration over
a multifaceted crystal model
Empirical absorption correction using spherical harmonics,
implemented in SCALE3 ABSPACK scaling algorithm.
;
_exptl_crystal_colour            orange
_exptl_crystal_density_diffrn    1.608
_exptl_crystal_description       block
_exptl_crystal_F_000             1588
_exptl_crystal_size_max          0.150
_exptl_crystal_size_mid          0.130
_exptl_crystal_size_min          0.090
_refine_diff_density_max         1.014
_refine_diff_density_min         -2.426
_refine_diff_density_rms         0.111
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.033
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     439
_refine_ls_number_reflns         6978
_refine_ls_number_restraints     344
_refine_ls_restrained_S_all      1.014
_refine_ls_R_factor_all          0.0367
_refine_ls_R_factor_gt           0.0340
_refine_ls_shift/su_max          0.003
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0460P)^2^+6.9985P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0874
_refine_ls_wR_factor_ref         0.0899
_reflns_Friedel_coverage         0.000
_reflns_number_gt                6442
_reflns_number_total             6978
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d2dt03409c2.cif
_cod_data_source_block           compound_23
_cod_original_sg_symbol_H-M      'P 21/c'
_cod_database_code               7711766
_shelx_shelxl_version_number     2018/3
_shelx_estimated_absorpt_t_min   0.325
_shelx_estimated_absorpt_t_max   0.476
_shelx_res_checksum              12769
_shelx_hkl_checksum              29101