Dual reactivity of N-heterocyclic carbenes towards copper(II) salts.
Kolychev, Eugene L.; Shuntikov, Viacheslav V.; Khrustalev, Victor N.; Bush, Alexander A.; Nechaev, Mikhail S.; Dalton transactions (Cambridge, England : 2003) 40 (2011) 3074–3076; doi:10.1039/c0dt01630f

data_7015464
_publ_section_title
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 Dual reactivity of N-heterocyclic carbenes towards copper(II) salts.
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_journal_issue                   12
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              3074
_journal_page_last               3076
_journal_paper_doi               10.1039/c0dt01630f
_journal_volume                  40
_journal_year                    2011
_chemical_formula_moiety         'C26 H34 Cu N2 O4'
_chemical_formula_sum            'C26 H34 Cu N2 O4'
_chemical_formula_weight         502.09
_chemical_name_systematic
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?
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_space_group_IT_number           9
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  'C -2yc'
_symmetry_space_group_name_H-M   'C 1 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                 134.8860(10)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   23.7798(11)
_cell_length_b                   8.8383(4)
_cell_length_c                   16.8227(14)
_cell_measurement_reflns_used    3463
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      25.72
_cell_measurement_theta_min      2.42
_cell_volume                     2505.1(3)
_computing_cell_refinement       'SAINTPlus, v. 6.2 (Bruker, 2001)'
_computing_data_collection       'APEX2 (Bruker, 2005)'
_computing_data_reduction        'SAINTPlus, v. 6.2 (Bruker, 2001)'
_computing_molecular_graphics    'SHELXTL, v. 6.12 (Sheldrick, 2001)'
_computing_publication_material  'SHELXTL, v. 6.12 (Sheldrick, 2001)'
_computing_structure_refinement  'SHELXTL, v. 6.12 (Sheldrick, 2001)'
_computing_structure_solution    'SHELXTL, v. 6.12 (Sheldrick, 2001)'
_diffrn_ambient_temperature      100(2)
_diffrn_measured_fraction_theta_full 0.987
_diffrn_measured_fraction_theta_max 0.987
_diffrn_measurement_device_type  'Bruker SMART APEX II 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     0.71073
_diffrn_reflns_av_R_equivalents  0.0299
_diffrn_reflns_av_sigmaI/netI    0.0391
_diffrn_reflns_limit_h_max       29
_diffrn_reflns_limit_h_min       -29
_diffrn_reflns_limit_k_max       10
_diffrn_reflns_limit_k_min       -10
_diffrn_reflns_limit_l_max       20
_diffrn_reflns_limit_l_min       -20
_diffrn_reflns_number            11686
_diffrn_reflns_theta_full        26.08
_diffrn_reflns_theta_max         26.08
_diffrn_reflns_theta_min         2.42
_exptl_absorpt_coefficient_mu    0.905
_exptl_absorpt_correction_T_max  0.982
_exptl_absorpt_correction_T_min  0.840
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS (Sheldrick, 2003)'
_exptl_crystal_colour            red
_exptl_crystal_density_diffrn    1.331
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             1060
_exptl_crystal_size_max          0.20
_exptl_crystal_size_mid          0.20
_exptl_crystal_size_min          0.02
_refine_diff_density_max         0.842
_refine_diff_density_min         -0.618
_refine_diff_density_rms         0.094
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.26(3)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.018
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     156
_refine_ls_number_reflns         4837
_refine_ls_number_restraints     101
_refine_ls_restrained_S_all      1.060
_refine_ls_R_factor_all          0.0963
_refine_ls_R_factor_gt           0.0757
_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^)+(0.073P)^2^+47P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1762
_refine_ls_wR_factor_ref         0.1994
_reflns_number_gt                4104
_reflns_number_total             4837
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            c0dt01630f.txt
_cod_data_source_block           KE-125
_cod_depositor_comments
;
The following automatic conversions were performed:
'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
according to '/home/saulius/struct/CIF-dictionaries/cif_core.dic'
dictionary named 'cif_core.dic' version 2.4.1 from 2010-06-29.

Automatic conversion script
Id: cif_fix_enum 1555 2011-01-17 13:19:09Z saulius 
;
_cod_original_sg_symbol_H-M      'C c'
_cod_database_code               7015464