Twist it! The acid-dependent isomerization of homoleptic carbenic iridium(iii) complexes.
Osiak, Jaroslaw G.; Setzer, Tobias; Jones, Peter G.; Lennartz, Christian; Dreuw, Andreas; Kowalsky, Wolfgang; Johannes, Hans-Hermann; Chemical communications (Cambridge, England) 53 (2017) 3295–3298; doi:10.1039/c7cc00697g

data_7119684
_publ_section_title
;
 Twist it! The acid-dependent isomerization of homoleptic carbenic
 iridium(iii) complexes.
;
_journal_issue                   23
_journal_name_full
'Chemical communications (Cambridge, England)'
_journal_page_first              3295
_journal_page_last               3298
_journal_paper_doi               10.1039/c7cc00697g
_journal_volume                  53
_journal_year                    2017
_chemical_formula_sum            'C64 H53 Ir N3 O'
_chemical_formula_weight         1072.29
_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
_audit_update_record
;
2016-11-11 deposited with the CCDC.
2017-02-20 downloaded from the CCDC.
;
_cell_angle_alpha                90.00
_cell_angle_beta                 106.360(2)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   20.9475(4)
_cell_length_b                   12.09289(17)
_cell_length_c                   20.1184(4)
_cell_measurement_reflns_used    106113
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      30.8030
_cell_measurement_theta_min      2.4690
_cell_volume                     4889.96(16)
_computing_cell_refinement
;
CrysAlisPro, Agilent Technologies,
Version 1.171.37.35 (release 13-08-2014 CrysAlis171 .NET)
(compiled Aug 13 2014,18:06:01)
;
_computing_data_collection
;
CrysAlisPro, Agilent Technologies,
Version 1.171.37.35 (release 13-08-2014 CrysAlis171 .NET)
(compiled Aug 13 2014,18:06:01)
;
_computing_data_reduction
;
CrysAlisPro, Agilent Technologies,
Version 1.171.37.35 (release 13-08-2014 CrysAlis171 .NET)
(compiled Aug 13 2014,18:06:01)
;
_computing_molecular_graphics    'Siemens XP'
_computing_publication_material  SHELXL-97
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      100(2)
_diffrn_detector_area_resol_mean 16.1419
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.960
_diffrn_measurement_device_type  'Oxford Diffraction Xcalibur, Eos'
_diffrn_measurement_method       '\w scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0516
_diffrn_reflns_av_sigmaI/netI    0.0204
_diffrn_reflns_limit_h_max       30
_diffrn_reflns_limit_h_min       -30
_diffrn_reflns_limit_k_max       17
_diffrn_reflns_limit_k_min       -17
_diffrn_reflns_limit_l_max       29
_diffrn_reflns_limit_l_min       -28
_diffrn_reflns_number            385454
_diffrn_reflns_theta_full        30.00
_diffrn_reflns_theta_max         31.11
_diffrn_reflns_theta_min         2.36
_diffrn_source                   'Enhance (Mo) X-ray Source'
_exptl_absorpt_coefficient_mu    2.778
_exptl_absorpt_correction_T_max  1.00000
_exptl_absorpt_correction_T_min  0.76717
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
CrysAlisPro, Agilent Technologies,
Version 1.171.37.35 (release 13-08-2014 CrysAlis171 .NET)
(compiled Aug 13 2014,18:06:01)
;
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.457
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             2172
_exptl_crystal_size_max          0.25
_exptl_crystal_size_mid          0.20
_exptl_crystal_size_min          0.10
_refine_diff_density_max         1.443
_refine_diff_density_min         -0.785
_refine_diff_density_rms         0.095
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.081
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     645
_refine_ls_number_reflns         15100
_refine_ls_number_restraints     30
_refine_ls_restrained_S_all      1.092
_refine_ls_R_factor_all          0.0334
_refine_ls_R_factor_gt           0.0263
_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^)+(0.0223P)^2^+6.6469P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0557
_refine_ls_wR_factor_ref         0.0582
_reflns_number_gt                13491
_reflns_number_total             15100
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c7cc00697g3.cif
_cod_data_source_block           oschna
_cod_depositor_comments
'Adding full bibliography for 7119683--7119685.cif.'
_cod_original_cell_volume        4889.96(15)
_cod_original_sg_symbol_H-M      'P 21/c'
_cod_database_code               7119684