N Heterocyclic Carbene and Cyclic (Alkyl)(Amino)Carbene ligated Half-Sandwich Complexes of Chromium(II) and Chromium(I)
Horrer, Günther; Luff, Martin Simon; Radius, Udo; Dalton Transactions  (2023) –; doi:10.1039/D3DT02123H

data_7713831
_publ_section_title
;
 N Heterocyclic Carbene and Cyclic (Alkyl)(Amino)Carbene ligated
 Half-Sandwich Complexes of Chromium(II) and Chromium(I)
;
_journal_name_full               'Dalton Transactions'
_journal_paper_doi               10.1039/D3DT02123H
_journal_year                    2023
_chemical_formula_moiety
'C22 H40 Cl6 Cr3 N4 O2, C22 H40 Cl4 Cr2 N4 O2, 2(C4 H8 O)'
_chemical_formula_sum            'C52 H96 Cl10 Cr5 N8 O6'
_chemical_formula_weight         1543.86
_space_group_crystal_system      triclinic
_space_group_IT_number           2
_space_group_name_Hall           '-P 1'
_space_group_name_H-M_alt        'P -1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     dual
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-2018/3
_audit_update_record
;
2023-07-06 deposited with the CCDC.	2023-08-22 downloaded from the CCDC.
;
_cell_angle_alpha                108.0530(10)
_cell_angle_beta                 90.2920(10)
_cell_angle_gamma                98.8250(10)
_cell_formula_units_Z            1
_cell_length_a                   9.44530(10)
_cell_length_b                   11.66530(10)
_cell_length_c                   16.9234(2)
_cell_measurement_reflns_used    21333
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      76.7960
_cell_measurement_theta_min      2.7620
_cell_volume                     1749.12(3)
_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_detector_area_resol_mean 10.0000
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.984
_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  0.0358
_diffrn_reflns_av_unetI/netI     0.0270
_diffrn_reflns_Laue_measured_fraction_full 0.999
_diffrn_reflns_Laue_measured_fraction_max 0.984
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       -11
_diffrn_reflns_limit_k_max       14
_diffrn_reflns_limit_k_min       -14
_diffrn_reflns_limit_l_max       21
_diffrn_reflns_limit_l_min       -20
_diffrn_reflns_number            35798
_diffrn_reflns_point_group_measured_fraction_full 0.999
_diffrn_reflns_point_group_measured_fraction_max 0.984
_diffrn_reflns_theta_full        72.000
_diffrn_reflns_theta_max         77.708
_diffrn_reflns_theta_min         2.751
_diffrn_source                   'micro-focus sealed X-ray tube'
_exptl_absorpt_coefficient_mu    10.111
_exptl_absorpt_correction_T_max  1.00000
_exptl_absorpt_correction_T_min  0.64848
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
CrysAlisPro 1.171.41.112a (Rigaku Oxford Diffraction, 2021)
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            'clear blue'
_exptl_crystal_density_diffrn    1.466
_exptl_crystal_description       block
_exptl_crystal_F_000             802
_exptl_crystal_size_max          0.195
_exptl_crystal_size_mid          0.151
_exptl_crystal_size_min          0.089
_refine_diff_density_max         1.395
_refine_diff_density_min         -1.396
_refine_diff_density_rms         0.100
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.056
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     343
_refine_ls_number_reflns         7330
_refine_ls_number_restraints     49
_refine_ls_restrained_S_all      1.088
_refine_ls_R_factor_all          0.0550
_refine_ls_R_factor_gt           0.0530
_refine_ls_shift/su_max          0.002
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0676P)^2^+4.1877P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1378
_refine_ls_wR_factor_ref         0.1394
_reflns_Friedel_coverage         0.000
_reflns_number_gt                6934
_reflns_number_total             7330
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d3dt02123h2.cif
_cod_data_source_block           compound_14
_cod_database_code               7713831
_shelx_shelxl_version_number     2018/3
_shelx_res_checksum              64116