A Planar π-Conjugated Naphthyridine-Based N-Heterocyclic Carbene Ligand and Its Derived Transition-Metal Complexes
Liu, Xiaolong; Pan, Shanfei; Wu, Junshi; Wang, Yapei; Chen, Wanzhi; Organometallics 32 (2013) 209–; doi:10.1021/om3009876

data_4079866
_publ_section_title
;
 A Planar \p-Conjugated Naphthyridine-Based N-Heterocyclic Carbene Ligand
 and Its Derived Transition-Metal Complexes
;
_journal_issue                   1
_journal_name_full               Organometallics
_journal_page_first              209
_journal_paper_doi               10.1021/om3009876
_journal_volume                  32
_journal_year                    2013
_chemical_formula_sum            'C21 H20 Cu F6 N6 P'
_chemical_formula_weight         564.94
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           60
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  '-P 2n 2ab'
_symmetry_space_group_name_H-M   'P b c n'
_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            8
_cell_length_a                   24.2825(7)
_cell_length_b                   13.4727(4)
_cell_length_c                   13.9714(4)
_cell_measurement_temperature    140(2)
_cell_volume                     4570.8(2)
_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  'Bruker SHELXTL'
_computing_structure_solution    'Bruker SHELXTL'
_diffrn_ambient_temperature      140(2)
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device_type  'multiwire proportional'
_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  0.0300
_diffrn_reflns_av_sigmaI/netI    0.0239
_diffrn_reflns_limit_h_max       28
_diffrn_reflns_limit_h_min       -25
_diffrn_reflns_limit_k_max       16
_diffrn_reflns_limit_k_min       -12
_diffrn_reflns_limit_l_max       16
_diffrn_reflns_limit_l_min       -13
_diffrn_reflns_number            16555
_diffrn_reflns_theta_full        25.01
_diffrn_reflns_theta_max         25.01
_diffrn_reflns_theta_min         3.02
_exptl_absorpt_coefficient_mu    1.098
_exptl_absorpt_correction_T_max  0.7710
_exptl_absorpt_correction_T_min  0.7000
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   sadabs
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.642
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             2288
_exptl_crystal_size_max          0.35
_exptl_crystal_size_mid          0.28
_exptl_crystal_size_min          0.25
_refine_diff_density_max         0.584
_refine_diff_density_min         -0.325
_refine_diff_density_rms         0.066
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.057
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     321
_refine_ls_number_reflns         4018
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.057
_refine_ls_R_factor_all          0.0472
_refine_ls_R_factor_gt           0.0359
_refine_ls_shift/su_max          0.009
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0407P)^2^+6.1730P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0890
_refine_ls_wR_factor_ref         0.0971
_reflns_number_gt                3281
_reflns_number_total             4018
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            om3009876_si_002.cif
_cod_data_source_block           complex_2
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Orthorhombic' changed to
'orthorhombic' 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 1891 2012-01-12 08:04:46Z andrius 
;
_cod_original_sg_symbol_H-M      Pbcn
_cod_database_code               4079866