Chemistry surrounding monomeric copper(I) methyl, phenyl, anilido, ethoxide, and phenoxide complexes supported by N-heterocyclic carbene ligands: reactivity consistent with both early and late transition metal systems.
Goj, Laurel A.; Blue, Elizabeth D.; Delp, Samuel A.; Gunnoe, T. Brent; Cundari, Thomas R.; Pierpont, Aaron W.; Petersen, Jeffrey L.; Boyle, Paul D.; Inorganic chemistry 45 (2006) 9032–9045; doi:10.1021/ic0611995

data_4350557
_publ_section_title
;
 Chemistry surrounding monomeric copper(I) methyl, phenyl, anilido,
 ethoxide, and phenoxide complexes supported by N-heterocyclic carbene
 ligands: reactivity consistent with both early and late transition metal
 systems.
;
_journal_issue                   22
_journal_name_full               'Inorganic chemistry'
_journal_page_first              9032
_journal_page_last               9045
_journal_paper_doi               10.1021/ic0611995
_journal_volume                  45
_journal_year                    2006
_chemical_formula_sum            'C38.25 H49 Cu N2 O'
_chemical_formula_weight         616.33
_chemical_name_common            (SIPr)Cu(OPh)
_space_group_IT_number           2
_space_group_name_Hall           '-P 1'
_space_group_name_H-M_alt        'P -1'
_symmetry_cell_setting           triclinic
_symmetry_space_group_name_H-M   'P -1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                77.627(3)
_cell_angle_beta                 86.060(3)
_cell_angle_gamma                71.445(3)
_cell_formula_units_Z            4
_cell_length_a                   12.115(2)
_cell_length_b                   14.279(2)
_cell_length_c                   22.971(4)
_cell_measurement_temperature    295(2)
_cell_volume                     3679.7(10)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      295(2)
_diffrn_measured_fraction_theta_full 0.951
_diffrn_measured_fraction_theta_max 0.951
_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  0.0497
_diffrn_reflns_av_sigmaI/netI    0.1912
_diffrn_reflns_limit_h_max       15
_diffrn_reflns_limit_h_min       -15
_diffrn_reflns_limit_k_max       16
_diffrn_reflns_limit_k_min       -18
_diffrn_reflns_limit_l_max       29
_diffrn_reflns_limit_l_min       -29
_diffrn_reflns_number            26160
_diffrn_reflns_theta_full        27.69
_diffrn_reflns_theta_max         27.69
_diffrn_reflns_theta_min         0.91
_exptl_absorpt_coefficient_mu    0.622
_exptl_absorpt_correction_type   empirical
_exptl_absorpt_process_details   SADABS
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.113
_exptl_crystal_density_method    'not measured'
_exptl_crystal_F_000             1318
_exptl_crystal_size_max          0.40
_exptl_crystal_size_mid          0.20
_exptl_crystal_size_min          0.14
_refine_diff_density_max         0.510
_refine_diff_density_min         -0.188
_refine_diff_density_rms         0.056
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.716
_refine_ls_hydrogen_treatment    riding
_refine_ls_matrix_type           full
_refine_ls_number_parameters     683
_refine_ls_number_reflns         16386
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.716
_refine_ls_R_factor_all          0.1984
_refine_ls_R_factor_gt           0.0677
_refine_ls_shift/su_max          0.004
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0820P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1455
_refine_ls_wR_factor_ref         0.1722
_reflns_number_gt                4748
_reflns_number_total             16386
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ic0611995si20060630_103335.cif
_cod_data_source_block           (SIPr)Cu(OPh)
_cod_original_cell_volume        3679.8(11)
_cod_original_sg_symbol_H-M      P(-1)
_cod_database_code               4350557