[(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_7026124
_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_sum            'C27 H38 Cu I N2'
_chemical_formula_weight         581.03
_chemical_name_systematic
;
?
;
_space_group_IT_number           56
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  '-P 2ab 2ac'
_symmetry_space_group_name_H-M   'P c c n'
_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                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   10.9969(3)
_cell_length_b                   12.5666(3)
_cell_length_c                   19.9092(5)
_cell_measurement_reflns_used    8418
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      39.18
_cell_measurement_theta_min      3.40
_cell_volume                     2751.32(12)
_computing_cell_refinement       'Bruker APEX2 v2009.1-0'
_computing_data_collection       'Bruker APEX2 v2009.1-0'
_computing_data_reduction        'Bruker SAINT V7.60A'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXS-97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      100(2)
_diffrn_detector_area_resol_mean 512
_diffrn_detector_type            '4K CCD area detector APEX II'
_diffrn_measured_fraction_theta_full 0.900
_diffrn_measured_fraction_theta_max 0.900
_diffrn_measurement_device_type  'Kappa 4-axis goniometer bruker-nonius'
_diffrn_measurement_method
;
Fullsphere data collection, phi and omega scans
;
_diffrn_measurement_specimen_support
'magnetic support whith 10 micron nylon fiber cryoloop'
_diffrn_radiation_monochromator  'Multilayer Montel 200 mirrors'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0245
_diffrn_reflns_av_sigmaI/netI    0.0253
_diffrn_reflns_limit_h_max       19
_diffrn_reflns_limit_h_min       -18
_diffrn_reflns_limit_k_max       20
_diffrn_reflns_limit_k_min       -19
_diffrn_reflns_limit_l_max       35
_diffrn_reflns_limit_l_min       -12
_diffrn_reflns_number            25238
_diffrn_reflns_theta_full        39.79
_diffrn_reflns_theta_max         39.79
_diffrn_reflns_theta_min         3.87
_diffrn_source                   'rotating anode X-ray tube'
_diffrn_source_current           70
_diffrn_source_power             50
_diffrn_source_size              '3 mm x 0.3 mm fine focus'
_diffrn_source_type              'Bruker-Nonius FR 591'
_exptl_absorpt_coefficient_mu    1.931
_exptl_absorpt_correction_T_max  1.0
_exptl_absorpt_correction_T_min  0.7330
_exptl_absorpt_correction_type   empirical
_exptl_absorpt_process_details
;
SADABS Version 2008/1 Bruker-Nonius
Blessing, Acta Cryst. (1995) A51 33-38
;
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.403
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1184
_exptl_crystal_size_max          0.40
_exptl_crystal_size_mid          0.40
_exptl_crystal_size_min          0.20
_refine_diff_density_max         1.255
_refine_diff_density_min         -0.991
_refine_diff_density_rms         0.084
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.069
_refine_ls_hydrogen_treatment    noref
_refine_ls_matrix_type           full
_refine_ls_number_parameters     142
_refine_ls_number_reflns         7571
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.069
_refine_ls_R_factor_all          0.0481
_refine_ls_R_factor_gt           0.0321
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0382P)^2^+1.0341P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0818
_refine_ls_wR_factor_ref         0.0890
_reflns_number_gt                5706
_reflns_number_total             7571
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c0dt00218f.txt
_cod_data_source_block           sd016b_0m
_cod_depositor_comments
;
The following automatic conversions were performed:
'_diffrn_measurement_specimen_suppport' tag replaced with
'_diffrn_measurement_specimen_support'.

Automatic conversion script
Id: cif_correct_tags 1440 2010-10-19 06:21:57Z saulius 

The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Orthorhombic' changed to
'orthorhombic' 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_sg_symbol_H-M      Pccn
_cod_database_code               7026124