Mixed Azido-N-Heterocyclic Carbene Complexes of Nickel(II) as a Template for New Organometallics Bearing Carbodiimido, Tetrazolato, and Abnormal Tetrazolin-5-ylidene Ligands
Jothibasu, Ramasamy; Huynh, Han Vinh; Organometallics 28 (2009) 2505–; doi:10.1021/om900140e

data_4069326
_publ_section_title
;
 Mixed Azido-N-Heterocyclic Carbene Complexes of Nickel(II) as a Template
 for New Organometallics Bearing Carbodiimido, Tetrazolato, and Abnormal
 Tetrazolin-5-ylidene Ligands
;
_journal_issue                   8
_journal_name_full               Organometallics
_journal_page_first              2505
_journal_paper_doi               10.1021/om900140e
_journal_volume                  28
_journal_year                    2009
_chemical_formula_sum            'C44 H54 N8 Ni'
_chemical_formula_weight         753.66
_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                 92.325(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            2
_cell_length_a                   9.8734(14)
_cell_length_b                   23.771(3)
_cell_length_c                   8.6533(13)
_cell_measurement_reflns_used    4027
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      27.14
_cell_measurement_theta_min      2.24
_cell_volume                     2029.3(5)
_computing_cell_refinement       'Bruker SMART'
_computing_data_collection       'Bruker SMART'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.999
_diffrn_measurement_device_type  'CCD area detector'
_diffrn_measurement_method       'phi and omega 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  0.0401
_diffrn_reflns_av_sigmaI/netI    0.0502
_diffrn_reflns_limit_h_max       12
_diffrn_reflns_limit_h_min       -12
_diffrn_reflns_limit_k_max       30
_diffrn_reflns_limit_k_min       -21
_diffrn_reflns_limit_l_max       10
_diffrn_reflns_limit_l_min       -11
_diffrn_reflns_number            14182
_diffrn_reflns_theta_full        27.50
_diffrn_reflns_theta_max         27.50
_diffrn_reflns_theta_min         1.71
_exptl_absorpt_coefficient_mu    0.519
_exptl_absorpt_correction_T_max  0.9033
_exptl_absorpt_correction_T_min  0.8038
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'Sadabs, (Sheldrick 2001)'
_exptl_crystal_colour            RED
_exptl_crystal_density_diffrn    1.233
_exptl_crystal_density_meas      ?
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       BLOCK
_exptl_crystal_F_000             804
_exptl_crystal_size_max          0.44
_exptl_crystal_size_mid          0.40
_exptl_crystal_size_min          0.20
_refine_diff_density_max         0.662
_refine_diff_density_min         -0.283
_refine_diff_density_rms         0.056
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.090
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     247
_refine_ls_number_reflns         4664
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.090
_refine_ls_R_factor_all          0.0627
_refine_ls_R_factor_gt           0.0501
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0629P)^2^+0.3484P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1258
_refine_ls_wR_factor_ref         0.1318
_reflns_number_gt                3827
_reflns_number_total             4664
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            om900140e_si_002.cif
_cod_data_source_block           8147a
_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 2.4.2 from 2011-04-26.

Automatic conversion script
Id: cif_fix_values 1715 2011-07-08 13:25:40Z adriana 

The following automatic conversions were performed:

'_exptl_crystal_density_meas' value 'not measured' was changed to '?'
- the value is perceived as not measured.

Automatic conversion script
Id: cif_fix_values 3008 2015-01-20 13:52:24Z robertas 
;
_cod_original_sg_symbol_H-M      P2(1)/c
_cod_database_code               4069326