N-alkyl functionalised expanded ring N-heterocyclic carbene complexes of rhodium(i) and iridium(i): structural investigations and preliminary catalytic evaluation.
Dunsford, Jay J.; Tromp, Dorette S.; Cavell, Kingsley J.; Elsevier, Cornelis J.; Kariuki, Benson M.; Dalton transactions (Cambridge, England : 2003) 42 (2013) 7318–7329; doi:10.1039/c2dt32823b

data_7021122
_publ_section_title
;
 N-alkyl functionalised expanded ring N-heterocyclic carbene complexes of
 rhodium(i) and iridium(i): structural investigations and preliminary
 catalytic evaluation.
;
_journal_issue                   20
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              7318
_journal_page_last               7329
_journal_paper_doi               10.1039/c2dt32823b
_journal_volume                  42
_journal_year                    2013
_chemical_formula_moiety         'C22 H40 Cl Ir N2'
_chemical_formula_sum            'C22 H40 Cl Ir N2'
_chemical_formula_weight         560.21
_chemical_name_systematic
;
?
;
_space_group_IT_number           61
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  '-P 2ac 2ab'
_symmetry_space_group_name_H-M   'P b c a'
_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            8
_cell_length_a                   18.6021(3)
_cell_length_b                   12.6261(2)
_cell_length_c                   19.3427(3)
_cell_measurement_reflns_used    4511
_cell_measurement_temperature    150(2)
_cell_measurement_theta_max      28.31
_cell_measurement_theta_min      2.72
_cell_volume                     4543.06(12)
_computing_cell_refinement       DENZO/SCALEPACK
_computing_data_collection       'cOLLECT,Nonius BV, 1997-2001'
_computing_data_reduction        DENZO/SCALEPACK
_computing_structure_refinement  SHELXL-97
_computing_structure_solution    SHELXs-97
_diffrn_ambient_temperature      150(2)
_diffrn_measured_fraction_theta_full 0.994
_diffrn_measured_fraction_theta_max 0.994
_diffrn_measurement_device_type  'Nonius KappaCCD'
_diffrn_measurement_method       'CCD 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  0.0630
_diffrn_reflns_av_sigmaI/netI    0.0524
_diffrn_reflns_limit_h_max       24
_diffrn_reflns_limit_h_min       -22
_diffrn_reflns_limit_k_max       16
_diffrn_reflns_limit_k_min       -16
_diffrn_reflns_limit_l_max       25
_diffrn_reflns_limit_l_min       -25
_diffrn_reflns_number            18940
_diffrn_reflns_theta_full        28.31
_diffrn_reflns_theta_max         28.31
_diffrn_reflns_theta_min         2.72
_exptl_absorpt_coefficient_mu    6.004
_exptl_absorpt_correction_T_max  0.3797
_exptl_absorpt_correction_T_min  0.2660
_exptl_absorpt_correction_type   empirical
_exptl_absorpt_process_details   Denzo/Scalepack
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.638
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       needle
_exptl_crystal_F_000             2240
_exptl_crystal_size_max          0.30
_exptl_crystal_size_mid          0.25
_exptl_crystal_size_min          0.20
_refine_diff_density_max         2.658
_refine_diff_density_min         -2.313
_refine_diff_density_rms         0.235
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.208
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     241
_refine_ls_number_reflns         5622
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.208
_refine_ls_R_factor_all          0.0891
_refine_ls_R_factor_gt           0.0646
_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^)+(0.0462P)^2^+27.4758P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1163
_refine_ls_wR_factor_ref         0.1249
_reflns_number_gt                4511
_reflns_number_total             5622
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c2dt32823b.txt
_cod_data_source_block           kjc1110t
_cod_depositor_comments
;
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      Pbca
_cod_database_code               7021122