First Examples of Diazepanylidene Carbenes and Their Late-Transition-Metal Complexes
Iglesias, Manuel; Beetstra, Dirk J.; Stasch, Andreas; Horton, Peter N.; Hursthouse, Michael B.; Coles, Simon J.; Cavell, Kingsley J.; Dervisi, Athanasia; Fallis, Ian A.; Organometallics 26 (2007) 4800–; doi:10.1021/om7004904

data_4073598
_publ_section_title
;
 First Examples of Diazepanylidene Carbenes and Their
 Late-Transition-Metal Complexes
;
_journal_issue                   19
_journal_name_full               Organometallics
_journal_page_first              4800
_journal_paper_doi               10.1021/om7004904
_journal_volume                  26
_journal_year                    2007
_chemical_formula_sum            'C25 H42 Cl Ir N2'
_chemical_formula_weight         598.26
_chemical_name_systematic
;
 ?
;
_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           SHELXL-97
_cell_angle_alpha                90.00
_cell_angle_beta                 102.660(1)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   13.0652(2)
_cell_length_b                   11.0159(2)
_cell_length_c                   16.9846(3)
_cell_measurement_reflns_used    5656
_cell_measurement_temperature    120(2)
_cell_measurement_theta_max      27.48
_cell_measurement_theta_min      1.0
_cell_volume                     2385.08(7)
_computing_cell_refinement       'DENZO, COLLECT'
_computing_data_reduction        'DENZO, COLLECT'
_computing_molecular_graphics    'PLATON (Spek, 1990)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      120(2)
_diffrn_detector_area_resol_mean 9.091
_diffrn_measured_fraction_theta_full 0.996
_diffrn_measured_fraction_theta_max 0.996
_diffrn_measurement_device_type  'Bruker-Nonius KappaCCD Area Detector'
_diffrn_measurement_method       '\f and \w scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'Bruker-Nonius FR591 rotating anode'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0290
_diffrn_reflns_av_sigmaI/netI    0.0240
_diffrn_reflns_limit_h_max       16
_diffrn_reflns_limit_h_min       -16
_diffrn_reflns_limit_k_max       14
_diffrn_reflns_limit_k_min       -14
_diffrn_reflns_limit_l_max       21
_diffrn_reflns_limit_l_min       -22
_diffrn_reflns_number            29089
_diffrn_reflns_theta_full        27.50
_diffrn_reflns_theta_max         27.50
_diffrn_reflns_theta_min         3.08
_diffrn_standards_decay_%        negligible
_diffrn_standards_number         none
_exptl_absorpt_coefficient_mu    5.724
_exptl_absorpt_correction_T_max  0.6574
_exptl_absorpt_correction_T_min  0.1972
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS V2.10 (Sheldrick, G.M., 2003)'
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.666
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       rhombus
_exptl_crystal_F_000             1200
_exptl_crystal_size_max          0.42
_exptl_crystal_size_mid          0.12
_exptl_crystal_size_min          0.08
_refine_diff_density_max         0.859
_refine_diff_density_min         -1.225
_refine_diff_density_rms         0.118
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.068
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     262
_refine_ls_number_reflns         5459
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.068
_refine_ls_R_factor_all          0.0258
_refine_ls_R_factor_gt           0.0216
_refine_ls_shift/su_max          0.004
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0260P)^2^+2.7647P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0500
_refine_ls_wR_factor_ref         0.0516
_reflns_number_gt                4950
_reflns_number_total             5459
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            om7004904-file002.cif
_cod_data_source_block           Ir(COD)(3)Cl
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
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_values 1715 2011-07-08 13:25:40Z adriana 
;
_cod_original_cell_volume        2385.1(1)
_cod_original_sg_symbol_H-M      P2(1)/c
_cod_database_code               4073598