Strongly bent nickel imides supported by a chelating bis(N-heterocyclic carbene) ligand
Harrold, Nicole D.; Hillhouse, Gregory L.; Chemical Science 4 (2013) 4011–; doi:10.1039/c3sc51517f

data_1514542
_publ_section_title
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 Strongly bent nickel imides supported by a chelating bis(N-heterocyclic
 carbene) ligand
;
_journal_issue                   10
_journal_name_full               'Chemical Science'
_journal_page_first              4011
_journal_paper_doi               10.1039/c3sc51517f
_journal_volume                  4
_journal_year                    2013
_chemical_formula_sum            'C27 H44 N4 Ni'
_chemical_formula_weight         483.37
_chemical_name_systematic
;
?
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_space_group_IT_number           43
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  'F 2 -2d'
_symmetry_space_group_name_H-M   'F d d 2'
_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                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            16
_cell_length_a                   17.8294(19)
_cell_length_b                   42.047(5)
_cell_length_c                   17.6823(19)
_cell_measurement_reflns_used    20306
_cell_measurement_temperature    100(2)
_cell_volume                     13256(3)
_computing_cell_refinement       'Bruker XSCANS'
_computing_data_collection       'Bruker XSCANS'
_computing_data_reduction        'Bruker SHELXTL'
_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      100(2)
_diffrn_measured_fraction_theta_full 0.971
_diffrn_measured_fraction_theta_max 0.971
_diffrn_measurement_device_type  'Bruker P4'
_diffrn_measurement_method       '\w 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  0.0847
_diffrn_reflns_av_sigmaI/netI    0.0706
_diffrn_reflns_limit_h_max       17
_diffrn_reflns_limit_h_min       -23
_diffrn_reflns_limit_k_max       51
_diffrn_reflns_limit_k_min       -56
_diffrn_reflns_limit_l_max       23
_diffrn_reflns_limit_l_min       -23
_diffrn_reflns_number            20306
_diffrn_reflns_theta_full        28.28
_diffrn_reflns_theta_max         28.28
_diffrn_reflns_theta_min         2.18
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.602
_exptl_absorpt_correction_T_max  0.9750
_exptl_absorpt_correction_T_min  0.9568
_exptl_absorpt_correction_type   psi-scan
_exptl_absorpt_process_details   'Norton et. al'
_exptl_crystal_colour            red
_exptl_crystal_density_diffrn    0.969
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             3487
_exptl_crystal_size_max          0.07
_exptl_crystal_size_mid          0.05
_exptl_crystal_size_min          0.04
_refine_diff_density_max         0.713
_refine_diff_density_min         -0.535
_refine_diff_density_rms         0.097
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.967(16)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.059
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     290
_refine_ls_number_reflns         7756
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.059
_refine_ls_R_factor_all          0.0658
_refine_ls_R_factor_gt           0.0632
_refine_ls_shift/su_max          0.022
_refine_ls_shift/su_mean         0.001
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.1243P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1719
_refine_ls_wR_factor_ref         0.1748
_reflns_number_gt                7159
_reflns_number_total             7756
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c3sc51517f.txt
_cod_data_source_block           (TMTBM)Ni(cod)
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Orthorhombic' changed to
'orthorhombic' according to
/usr/data/users/saulius/automatic-downloads/retrospective/RSC/lib/dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 from
2011-04-26.

'_exptl_absorpt_correction_type' value 'psi scan'
changed to 'psi-scan' according to
/usr/data/users/saulius/automatic-downloads/retrospective/RSC/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_sg_symbol_H-M      Fdd2
_cod_database_code               1514542