Synthesis and coordination compounds of a bis(imino)acenaphthene (BIAN)-supported N-heterocyclic carbene.
Vasudevan, Kalyan V.; Butorac, Rachel R.; Abernethy, Colin D.; Cowley, Alan H.; Dalton transactions (Cambridge, England : 2003) 39 (2010) 7401–7408; doi:10.1039/c0dt00278j

data_7026228
_publ_section_title
;
 Synthesis and coordination compounds of a bis(imino)acenaphthene
 (BIAN)-supported N-heterocyclic carbene.
;
_journal_issue                   31
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              7401
_journal_page_last               7408
_journal_paper_doi               10.1039/c0dt00278j
_journal_volume                  39
_journal_year                    2010
_chemical_formula_moiety         'C45 H52 Cl Ir N2'
_chemical_formula_sum            'C45 H52 Cl Ir N2'
_chemical_formula_weight         848.60
_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
;
manual editing of the .cif file
created by SHELXTL Ver. 6.10
;
_cell_angle_alpha                90.00
_cell_angle_beta                 112.63(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   19.933(4)
_cell_length_b                   12.719(3)
_cell_length_c                   15.990(3)
_cell_measurement_reflns_used    7386
_cell_measurement_temperature    153(2)
_cell_measurement_theta_max      27.48
_cell_measurement_theta_min      1.00
_cell_volume                     3741.8(16)
_computing_cell_refinement       'Collect software, Nonius B.V. 1998'
_computing_data_collection       'Collect software, Nonius B.V. 1998'
_computing_data_reduction
;
DENZO and Scalepack (Otwinoski and Minor, 1997)
;
_computing_molecular_graphics    'XP SHELXTL/PC, Siemens Analytical'
_computing_structure_refinement  'XL SHELXTL/PC, Siemens Analytical'
_computing_structure_solution
;
SIR97 - Altomare A., Burla M.C., Camalli M., Cascarano G.L., Giacovazzo C.,
Guagliardi A., Moliterni A.G.G., Polidori G.,Spagna R.
;
_diffrn_ambient_temperature      153(2)
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.999
_diffrn_measurement_device_type  'Nonius Kappa CCD'
_diffrn_measurement_method       \w-scan
_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  0.0593
_diffrn_reflns_av_sigmaI/netI    0.0951
_diffrn_reflns_limit_h_max       23
_diffrn_reflns_limit_h_min       -23
_diffrn_reflns_limit_k_max       14
_diffrn_reflns_limit_k_min       -15
_diffrn_reflns_limit_l_max       19
_diffrn_reflns_limit_l_min       -18
_diffrn_reflns_number            11443
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         25.00
_diffrn_reflns_theta_min         1.95
_exptl_absorpt_coefficient_mu    3.674
_exptl_absorpt_correction_T_max  .832
_exptl_absorpt_correction_T_min  .710
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
'DENZO and Scalepack (Otwinoski and Minor, 1997)'
_exptl_crystal_colour            Orange
_exptl_crystal_density_diffrn    1.506
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1720
_exptl_crystal_size_max          0.14
_exptl_crystal_size_mid          0.08
_exptl_crystal_size_min          0.05
_refine_diff_density_max         1.459
_refine_diff_density_min         -0.584
_refine_diff_density_rms         0.122
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.008
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     450
_refine_ls_number_reflns         6582
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.008
_refine_ls_R_factor_all          0.1010
_refine_ls_R_factor_gt           0.0395
_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^)+(0.0112P)^2^+2.3868P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0594
_refine_ls_wR_factor_ref         0.0742
_reflns_number_gt                3813
_reflns_number_total             6582
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c0dt00278j.txt
_cod_data_source_block           kvkv201a
_cod_original_sg_symbol_Hall     -p2ybc
_cod_original_sg_symbol_H-M      P21/c
_cod_database_code               7026228