Reductive generation of stable, five-membered N,N'-diamidocarbenes
Jonathan P. Moerdyk; Christopher W. Bielawski; Chem.Commun. 50 (2014) 4551–; doi:10.1039/C4CC00846D

data_7112483
_publ_section_title
;
 Reductive generation of stable, five-membered N,N'-diamidocarbenes
;
_journal_name_full               Chem.Commun.
_journal_page_first              4551
_journal_paper_doi               10.1039/C4CC00846D
_journal_volume                  50
_journal_year                    2014
_chemical_formula_moiety         'C11 H18 Cl2 N2 O2'
_chemical_formula_sum            'C11 H18 Cl2 N2 O2'
_chemical_formula_weight         281.17
_chemical_name_common            5tBuDACCl2
_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                 99.688(5)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   8.3148(19)
_cell_length_b                   14.215(3)
_cell_length_c                   11.639(3)
_cell_measurement_temperature    120(2)
_cell_volume                     1356.1(5)
_computing_cell_refinement       'CrystalClear (Rigaku Inc., 2008)'
_computing_data_collection       'CrystalClear (Rigaku Inc., 2008)'
_computing_data_reduction        'CrystalClear (Rigaku Inc., 2008)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      120(2)
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.998
_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     0.71075
_diffrn_reflns_av_R_equivalents  0.0989
_diffrn_reflns_av_sigmaI/netI    0.0511
_diffrn_reflns_limit_h_max       9
_diffrn_reflns_limit_h_min       -9
_diffrn_reflns_limit_k_max       16
_diffrn_reflns_limit_k_min       -16
_diffrn_reflns_limit_l_max       13
_diffrn_reflns_limit_l_min       -13
_diffrn_reflns_number            19296
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         25.00
_diffrn_reflns_theta_min         3.15
_exptl_absorpt_coefficient_mu    0.471
_exptl_absorpt_correction_type   none
_exptl_absorpt_process_details   none
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.377
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             592
_exptl_crystal_size_max          0.14
_exptl_crystal_size_mid          0.09
_exptl_crystal_size_min          0.08
_refine_diff_density_max         0.307
_refine_diff_density_min         -0.261
_refine_diff_density_rms         0.064
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.006
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     160
_refine_ls_number_reflns         2373
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.006
_refine_ls_R_factor_all          0.0598
_refine_ls_R_factor_gt           0.0449
_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^)+(0.0476P)^2^+1.2874P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0982
_refine_ls_wR_factor_ref         0.1055
_reflns_number_gt                1924
_reflns_number_total             2373
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c4cc00846d2.cif
_cod_data_source_block           5tBuDACCl2_1a
_cod_original_sg_symbol_H-M      P21/c
_cod_database_code               7112483