Tautomerization of Pyridine and 2-Substituted Pyridines to Pyridylidene Ligands by the Iridium(I)‒Diene Complex TpMe2Ir(η4-CH2═C(Me)C(Me)═CH2)
Vattier, Florencia; Salazar, Verónica; Paneque, Margarita; Poveda, Manuel L.; Álvarez, Eleuterio; Organometallics 33 (2014) 498–; doi:10.1021/om400968s

data_4082283
_publ_section_title
;
 Tautomerization of Pyridine and 2-Substituted Pyridines to Pyridylidene
 Ligands by the Iridium(I)--Diene Complex
 TpMe2Ir(\h4-CH2&#x2550;C(Me)C(Me)&#x2550;CH2)
;
_journal_issue                   2
_journal_name_full               Organometallics
_journal_page_first              498
_journal_paper_doi               10.1021/om400968s
_journal_volume                  33
_journal_year                    2014
_chemical_formula_moiety         'C27 H39 B Ir N7 O, C6 H6'
_chemical_formula_sum            'C33 H45 B Ir N7 O'
_chemical_formula_weight         758.77
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           2
_symmetry_cell_setting           triclinic
_symmetry_space_group_name_Hall  '-P 1'
_symmetry_space_group_name_H-M   'P -1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                83.361(6)
_cell_angle_beta                 76.900(6)
_cell_angle_gamma                64.141(4)
_cell_formula_units_Z            2
_cell_length_a                   10.327(3)
_cell_length_b                   11.229(3)
_cell_length_c                   16.031(3)
_cell_measurement_reflns_used    1252
_cell_measurement_temperature    173(2)
_cell_measurement_theta_max      18.34
_cell_measurement_theta_min      2.24
_cell_volume                     1629.0(7)
_computing_cell_refinement       'Bruker (2006). APEX 2. Version 2.1.'
_computing_data_collection       'Bruker (2006). APEX 2. Version 2.1.'
_computing_data_reduction        'Bruker (2006). APEX 2. Version 2.1.'
_computing_molecular_graphics    'XP, SHELXTL v. 6.14 (Bruker, 2003)'
_computing_publication_material  'XCIF, SHELXTL v. 6.14 (Bruker, 2003)'
_computing_structure_refinement  'XL, SHELXTL v. 6.14 (Bruker, 2003)'
_computing_structure_solution    'Bruker (2006). APEX 2. Version 2.1.'
_diffrn_ambient_temperature      173(2)
_diffrn_detector_area_resol_mean 8.26
_diffrn_measured_fraction_theta_full 0.981
_diffrn_measured_fraction_theta_max 0.981
_diffrn_measurement_device_type
;
 Bruker-Nonius X8kappa APEX II CCD area detector
;
_diffrn_measurement_method       'phi and omega scans with narrow frames'
_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  0.0793
_diffrn_reflns_av_unetI/netI     0.1075
_diffrn_reflns_limit_h_max       12
_diffrn_reflns_limit_h_min       -12
_diffrn_reflns_limit_k_max       14
_diffrn_reflns_limit_k_min       -13
_diffrn_reflns_limit_l_max       19
_diffrn_reflns_limit_l_min       -19
_diffrn_reflns_number            18827
_diffrn_reflns_theta_full        26.38
_diffrn_reflns_theta_max         26.38
_diffrn_reflns_theta_min         2.02
_diffrn_standards_decay_%        0
_exptl_absorpt_coefficient_mu    4.136
_exptl_absorpt_correction_T_max  0.7496
_exptl_absorpt_correction_T_min  0.7139
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
program SADABS, Bruker (2001).
;
_exptl_crystal_density_diffrn    1.547
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             764
_exptl_crystal_size_max          0.09
_exptl_crystal_size_mid          0.07
_exptl_crystal_size_min          0.07
_refine_diff_density_max         4.458
_refine_diff_density_min         -1.371
_refine_diff_density_rms         0.186
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.029
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     397
_refine_ls_number_reflns         6529
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.015
_refine_ls_R_factor_all          0.0881
_refine_ls_R_factor_gt           0.0540
_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^)+(0.0637P)^2^+0.4500P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1145
_refine_ls_wR_factor_ref         0.1267
_reflns_number_gt                4844
_reflns_number_total             6529
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            om400968s_si_002.cif
_cod_data_source_block           epi-10e
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Triclinic' changed to 'triclinic'
according to
/usr/data/users/saulius/automatic-downloads/current/ACS/lib/dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 from 2011-04-26.

Automatic conversion script
Id: cif_fix_values 2281 2013-09-26 08:29:07Z andrius 
;
_cod_original_cell_volume        1628.9(7)
_cod_database_code               4082283