Expanded ring and functionalised expanded ring N-heterocyclic carbenes as ligands in catalysis
Binobaid, Abeer; Iglesias, Manuel; Beetstra, Dirk J.; Kariuki, Benson; Dervisi, Athanasia; Fallis, Ian A.; Cavell, Kingsley J.; Dalton Transactions  (2009) 7099–; doi:10.1039/b909834h

data_7001999
_publ_section_title
;
 Expanded ring and functionalised expanded ring N-heterocyclic carbenes
 as ligands in catalysis
;
_journal_issue                   35
_journal_name_full               'Dalton Transactions'
_journal_page_first              7099
_journal_paper_doi               10.1039/b909834h
_journal_year                    2009
_chemical_formula_moiety         'C36 H42 Cl2 N8 Rh, C H2 Cl2, c8 h12 Rh Cl2'
_chemical_formula_sum            'C45 H56 Cl6 N8 Rh2'
_chemical_formula_weight         1127.50
_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                   18.65700(10)
_cell_length_b                   14.5440(2)
_cell_length_c                   34.2020(4)
_cell_measurement_reflns_used    7768
_cell_measurement_temperature    150(2)
_cell_measurement_theta_max      27.51
_cell_measurement_theta_min      1.87
_cell_volume                     9280.62(17)
_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  0.0685
_diffrn_reflns_av_sigmaI/netI    0.0611
_diffrn_reflns_limit_h_max       24
_diffrn_reflns_limit_h_min       -23
_diffrn_reflns_limit_k_max       18
_diffrn_reflns_limit_k_min       -18
_diffrn_reflns_limit_l_max       43
_diffrn_reflns_limit_l_min       -44
_diffrn_reflns_number            44612
_diffrn_reflns_theta_full        27.51
_diffrn_reflns_theta_max         27.51
_diffrn_reflns_theta_min         1.87
_exptl_absorpt_coefficient_mu    1.100
_exptl_absorpt_correction_T_max  0.9172
_exptl_absorpt_correction_T_min  0.6674
_exptl_absorpt_correction_type   empirical
_exptl_absorpt_process_details   Denzo/Scalepack
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.614
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             4592
_exptl_crystal_size_max          0.40
_exptl_crystal_size_mid          0.30
_exptl_crystal_size_min          0.08
_refine_diff_density_max         1.220
_refine_diff_density_min         -1.448
_refine_diff_density_rms         0.174
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.161
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     631
_refine_ls_number_reflns         10603
_refine_ls_number_restraints     189
_refine_ls_restrained_S_all      1.157
_refine_ls_R_factor_all          0.1485
_refine_ls_R_factor_gt           0.1158
_refine_ls_shift/su_max          0.005
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0282P)^2^+211.1986P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.2429
_refine_ls_wR_factor_ref         0.2564
_reflns_number_gt                7768
_reflns_number_total             10603
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            b909834h.txt
_cod_data_source_block           kjc0843
_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 2.4.1 from 2010-06-29.

Automatic conversion script
Id: cif_fix_enum 1527 2010-12-29 10:47:43Z saulius 
;
_cod_original_sg_symbol_H-M      Pbca
_cod_database_code               7001999