Anionic and zwitterionic copper(i) complexes incorporating an anionic N-heterocyclic carbene decorated with a malonate backbone: synthesis, structure and catalytic applications.
César, Vincent; Barthes, Cécile; Farré, Yoann C; Cuisiat, Stéphane V; Vacher, Bernard Y.; Brousses, Rémy; Lugan, Noël; Lavigne, Guy; Dalton transactions (Cambridge, England : 2003) 42 (2013) 7373–7385; doi:10.1039/c3dt32919d

data_7021215
_publ_section_title
;
 Anionic and zwitterionic copper(i) complexes incorporating an anionic
 N-heterocyclic carbene decorated with a malonate backbone: synthesis,
 structure and catalytic applications.
;
_journal_issue                   20
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              7373
_journal_page_last               7385
_journal_paper_doi               10.1039/c3dt32919d
_journal_volume                  42
_journal_year                    2013
_chemical_compound_source        'synthesis as described'
_chemical_formula_moiety         'C50 H61 Cu N4 O2'
_chemical_formula_sum            'C50 H61 Cu N4 O2'
_chemical_formula_weight         813.57
_chemical_name_systematic
;
?
;
_space_group_crystal_system      monoclinic
_space_group_IT_number           14
_space_group_name_H-M_alt        'P 1 21/c 1'
_symmetry_Int_Tables_number      14
_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_date             2011-09-23T13:25:42-00:00
_audit_creation_method           'WinGX routine CIF_UPDATE'
_cell_angle_alpha                90
_cell_angle_beta                 102.379(5)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   10.788(5)
_cell_length_b                   20.896(5)
_cell_length_c                   19.782(5)
_cell_measurement_reflns_used    9385
_cell_measurement_temperature    173(2)
_cell_measurement_theta_max      29.75
_cell_measurement_theta_min      2.22
_cell_measurement_wavelength     0.71073
_cell_volume                     4356(3)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      173(2)
_diffrn_measured_fraction_theta_full 0.992
_diffrn_measured_fraction_theta_max 0.992
_diffrn_measurement_device_type  'Bruker APEX II'
_diffrn_measurement_method       'phi and omega scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_probe          x-ray
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0349
_diffrn_reflns_av_unetI/netI     0.024
_diffrn_reflns_limit_h_max       13
_diffrn_reflns_limit_h_min       -11
_diffrn_reflns_limit_k_max       19
_diffrn_reflns_limit_k_min       -26
_diffrn_reflns_limit_l_max       24
_diffrn_reflns_limit_l_min       -23
_diffrn_reflns_number            62064
_diffrn_reflns_theta_full        26.37
_diffrn_reflns_theta_max         26.37
_diffrn_reflns_theta_min         2.16
_diffrn_standards_decay_%        0
_diffrn_standards_interval_count 0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.545
_exptl_absorpt_correction_T_max  0.7460
_exptl_absorpt_correction_T_min  0.6781
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
'SADABS, Sheldrick, Bruker, 2000'
;
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.241
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1736
_exptl_crystal_size_max          0.5
_exptl_crystal_size_mid          0.25
_exptl_crystal_size_min          0.1
_refine_diff_density_max         0.878
_refine_diff_density_min         -0.473
_refine_diff_density_rms         0.072
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.046
_refine_ls_hydrogen_treatment    riding
_refine_ls_matrix_type           full
_refine_ls_number_parameters     529
_refine_ls_number_reflns         8843
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.046
_refine_ls_R_factor_all          0.0509
_refine_ls_R_factor_gt           0.0419
_refine_ls_shift/su_max          0
_refine_ls_shift/su_mean         0
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0565P)^2^+6.1414P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1135
_refine_ls_wR_factor_ref         0.1203
_reflns_number_gt                7579
_reflns_number_total             8843
_reflns_threshold_expression     >2\s(I)
_cod_data_source_file            c3dt32919d.txt
_cod_data_source_block           3be
_cod_depositor_comments
;
The following automatic conversions were performed:

'_space_group_crystal_system' 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_sg_symbol_Hall     '-P 2ybc '
_cod_database_code               7021215