Synthesis of well defined C–C bridged Ni(ii) complexes bearing β-ketoiminato-fluorene ligands by bifluorenyl in situ coupling and application for norbornene (co)polymerization
Tian, Jianwen; He, Xiaohui; Liu, Jingyin; Deng, Xiaodan; Chen, Defu; RSC Adv. 5 (2015) 61851–; doi:10.1039/C5RA11630A

data_7221596
_publ_section_title
;
 Synthesis of well defined C--C bridged Ni(ii) complexes bearing
 \b-ketoiminato-fluorene ligands by bifluorenyl in situ coupling and
 application for norbornene (co)polymerization
;
_journal_issue                   76
_journal_name_full               'RSC Adv.'
_journal_page_first              61851
_journal_paper_doi               10.1039/C5RA11630A
_journal_volume                  5
_journal_year                    2015
_chemical_formula_sum            'C37 H32 Cl2 N2 Ni O2'
_chemical_formula_weight         666.26
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2yn'
_symmetry_space_group_name_H-M   'P 1 21/n 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_audit_update_record
;
2013-12-02 deposited with the CCDC.
2015-07-13 downloaded from the CCDC.
;
_cell_angle_alpha                90.00
_cell_angle_beta                 96.8170(10)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   9.0438(8)
_cell_length_b                   19.4513(18)
_cell_length_c                   18.1240(17)
_cell_measurement_reflns_used    4423
_cell_measurement_temperature    296(2)
_cell_measurement_theta_max      21.96
_cell_measurement_theta_min      2.26
_cell_volume                     3165.7(5)
_computing_cell_refinement       'Bruker SAINT'
_computing_data_collection       'Bruker APEX2'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      296(2)
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.999
_diffrn_measurement_device_type  'Bruker APEX-II CCD'
_diffrn_measurement_method       '\f and \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  0.0511
_diffrn_reflns_av_sigmaI/netI    0.0493
_diffrn_reflns_limit_h_max       10
_diffrn_reflns_limit_h_min       -10
_diffrn_reflns_limit_k_max       23
_diffrn_reflns_limit_k_min       -22
_diffrn_reflns_limit_l_max       21
_diffrn_reflns_limit_l_min       -21
_diffrn_reflns_number            24012
_diffrn_reflns_theta_full        25.50
_diffrn_reflns_theta_max         25.50
_diffrn_reflns_theta_min         2.26
_exptl_absorpt_coefficient_mu    0.818
_exptl_absorpt_correction_T_max  0.8871
_exptl_absorpt_correction_T_min  0.8405
_exptl_absorpt_correction_type   none
_exptl_crystal_density_diffrn    1.398
_exptl_crystal_density_method    'not measured'
_exptl_crystal_F_000             1384
_exptl_crystal_size_max          0.22
_exptl_crystal_size_mid          0.20
_exptl_crystal_size_min          0.15
_refine_diff_density_max         0.888
_refine_diff_density_min         -0.866
_refine_diff_density_rms         0.095
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.962
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     386
_refine_ls_number_reflns         5882
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.962
_refine_ls_R_factor_all          0.1007
_refine_ls_R_factor_gt           0.0638
_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^)+(0.1038P)^2^+6.8624P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1735
_refine_ls_wR_factor_ref         0.2031
_reflns_number_gt                3926
_reflns_number_total             5882
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c5ra11630a1.cif
_cod_data_source_block           a
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
according to
/usr/data/users/saulius/crontab/automatic-downloads/rss-feeds/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 3271 2015-04-21 07:52:19Z andrius 
;
_cod_original_sg_symbol_H-M      P2(1)/n
_cod_database_code               7221596