[(NHC)CuX] complexes: synthesis, characterization and catalytic activities in reduction reactions and Click chemistry. On the advantage of using well-defined catalytic systems.
Díez-González, Silvia; Escudero-Adán, Eduardo C; Benet-Buchholz, Jordi; Stevens, Edwin D.; Slawin, Alexandra M. Z.; Nolan, Steven P.; Dalton transactions (Cambridge, England : 2003) 39 (2010) 7595–7606; doi:10.1039/c0dt00218f

data_7026131
_publ_section_title
;
 [(NHC)CuX] complexes: synthesis, characterization and catalytic
 activities in reduction reactions and Click chemistry. On the advantage
 of using well-defined catalytic systems.
;
_journal_issue                   32
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              7595
_journal_page_last               7606
_journal_paper_doi               10.1039/c0dt00218f
_journal_volume                  39
_journal_year                    2010
_chemical_formula_moiety         'C45 H72 Cu3 I3 N6,C2 H3 N,(C6 H14)0.25'
_chemical_formula_sum            'C48.5 H78.5 Cu3 I3 N7'
_chemical_formula_weight         1331.00
_chemical_name_systematic
;
?
;
_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                 100.885(8)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   12.542(2)
_cell_length_b                   17.245(3)
_cell_length_c                   26.111(5)
_cell_measurement_reflns_used    12139
_cell_measurement_temperature    93(2)
_cell_measurement_theta_max      26.39
_cell_measurement_theta_min      1.38
_cell_volume                     5545.9(17)
_computing_cell_refinement       'CrystalClear (Rigaku Corp., 2004)'
_computing_data_collection       'CrystalClear (Rigaku Corp., 2004)'
_computing_data_reduction        'CrystalClear (Rigaku Corp., 2004)'
_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      93(2)
_diffrn_measured_fraction_theta_full 0.985
_diffrn_measured_fraction_theta_max 0.978
_diffrn_measurement_device_type  CCD
_diffrn_measurement_method       '\w and \f scans'
_diffrn_radiation_monochromator  confocal
_diffrn_radiation_source         'rotating anode'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0929
_diffrn_reflns_av_sigmaI/netI    0.0870
_diffrn_reflns_limit_h_max       14
_diffrn_reflns_limit_h_min       -13
_diffrn_reflns_limit_k_max       16
_diffrn_reflns_limit_k_min       -20
_diffrn_reflns_limit_l_max       31
_diffrn_reflns_limit_l_min       -24
_diffrn_reflns_number            32935
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         25.35
_diffrn_reflns_theta_min         2.29
_exptl_absorpt_coefficient_mu    2.847
_exptl_absorpt_correction_T_max  1.0000
_exptl_absorpt_correction_T_min  0.9172
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'Jacobson, R. (1998) Private communication'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.594
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             2658
_exptl_crystal_size_max          0.030
_exptl_crystal_size_mid          0.030
_exptl_crystal_size_min          0.030
_refine_diff_density_max         1.561
_refine_diff_density_min         -0.695
_refine_diff_density_rms         0.166
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.032
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     544
_refine_ls_number_reflns         9944
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.032
_refine_ls_R_factor_all          0.1032
_refine_ls_R_factor_gt           0.0609
_refine_ls_shift/su_max          0.008
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0511P)^2^+30.7412P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1178
_refine_ls_wR_factor_ref         0.1331
_reflns_number_gt                6872
_reflns_number_total             9944
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c0dt00218f.txt
_cod_data_source_block           tarrag20
_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 2.4.2 from 2011-04-26.

Automatic conversion script
Id: cif_fix_values 1891 2012-01-12 08:04:46Z andrius 
;
_cod_original_cell_volume        5546.0(17)
_cod_original_sg_symbol_H-M      P2(1)/c
_cod_original_formula_sum        'C48.50 H78.50 Cu3 I3 N7'
_cod_database_code               7026131