Adducts of Nitrous Oxide and N-Heterocyclic Carbenes: Syntheses, Structures, and Reactivity
Alexander G. Tskhovrebov; Basile Vuichoud; Euro Solari; Rosario Scopelliti; Kay Severin; Journal of the American Chemical Society 135 (2013) 9486–9492; doi:10.1021/ja4030287

data_4119983
_publ_section_title
;
 Adducts of Nitrous Oxide and N-Heterocyclic Carbenes: Syntheses,
 Structures, and Reactivity
;
_journal_name_full               'Journal of the American Chemical Society'
_journal_page_first              9486
_journal_page_last               9492
_journal_paper_doi               10.1021/ja4030287
_journal_volume                  135
_journal_year                    2013
_chemical_formula_moiety         '2(C29 H40 Cl3 Cr N4 O3), C4 H8 O'
_chemical_formula_sum            'C62 H88 Cl6 Cr2 N8 O7'
_chemical_formula_weight         1374.10
_space_group_IT_number           15
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-C 2yc'
_symmetry_space_group_name_H-M   'C 1 2/c 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_audit_update_record
;
2013-02-19 # Formatted by publCIF
;
_cell_angle_alpha                90.00
_cell_angle_beta                 104.925(18)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   37.299(8)
_cell_length_b                   8.4594(18)
_cell_length_c                   22.507(6)
_cell_measurement_reflns_used    143
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      22
_cell_measurement_theta_min      3
_cell_volume                     6862(3)
_computing_cell_refinement       'Dirax/lsq (Duisenberg & Schreurs, 1989-2000)'
_computing_data_collection       'Collect (Bruker AXS BV, 1997-2004)'
_computing_data_reduction        'EvalCCD (Duisenberg & Schreurs, 1990-2000)'
_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      100(2)
_diffrn_measured_fraction_theta_full 0.996
_diffrn_measured_fraction_theta_max 0.996
_diffrn_measurement_device_type  'Bruker APEX II CCD'
_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  0.0895
_diffrn_reflns_av_sigmaI/netI    0.0737
_diffrn_reflns_limit_h_max       44
_diffrn_reflns_limit_h_min       -44
_diffrn_reflns_limit_k_max       10
_diffrn_reflns_limit_k_min       -10
_diffrn_reflns_limit_l_max       27
_diffrn_reflns_limit_l_min       -27
_diffrn_reflns_number            36668
_diffrn_reflns_theta_full        25.30
_diffrn_reflns_theta_max         25.30
_diffrn_reflns_theta_min         3.25
_exptl_absorpt_coefficient_mu    0.605
_exptl_absorpt_correction_T_max  0.7452
_exptl_absorpt_correction_T_min  0.4828
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS 2008, Bruker AXS, 2008'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.330
_exptl_crystal_description       needle
_exptl_crystal_F_000             2888
_exptl_crystal_size_max          0.47
_exptl_crystal_size_mid          0.11
_exptl_crystal_size_min          0.07
_refine_diff_density_max         0.723
_refine_diff_density_min         -0.481
_refine_diff_density_rms         0.086
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.116
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     406
_refine_ls_number_reflns         6208
_refine_ls_number_restraints     34
_refine_ls_restrained_S_all      1.118
_refine_ls_R_factor_all          0.1027
_refine_ls_R_factor_gt           0.0609
_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^)+(0.0316P)^2^+29.8381P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1149
_refine_ls_wR_factor_ref         0.1317
_reflns_number_gt                4280
_reflns_number_total             6208
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ja4030287_si_011.cif
_cod_data_source_block           al362
_cod_original_sg_symbol_H-M      'C 2/c'
_cod_database_code               4119983