Mono- and di-nuclear nickel(II) complexes derived from NNO donor ligands: Syntheses, crystal structures and magnetic studies of dinuclear analogues
Ghorai, Pravat; Chakraborty, Anindita; Panja, Anangamohan; Mondal, Tapan K.; Saha, Amrita; RSC Adv.  (2016) –; doi:10.1039/C6RA02982E

data_7224812
_publ_section_title
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 Mono- and di-nuclear nickel(II) complexes derived from NNO donor ligands:
 Syntheses, crystal structures and magnetic studies of dinuclear analogues
;
_journal_name_full               'RSC Adv.'
_journal_paper_doi               10.1039/C6RA02982E
_journal_year                    2016
_chemical_formula_sum            'C34 H26 N4 Ni O4'
_chemical_formula_weight         613.30
_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
;
2016-01-26 deposited with the CCDC.
2016-04-01 downloaded from the CCDC.
;
_cell_angle_alpha                90.00
_cell_angle_beta                 98.706(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   12.5834(7)
_cell_length_b                   10.2983(6)
_cell_length_c                   21.5470(12)
_cell_measurement_reflns_used    560
_cell_measurement_temperature    298(2)
_cell_measurement_theta_max      27.24
_cell_measurement_theta_min      1.77
_cell_volume                     2760.1(3)
_computing_cell_refinement       'Bruker Smart'
_computing_data_collection       'Bruker Smart'
_computing_data_reduction        'Bruker Saint'
_computing_molecular_graphics    'Platon (Spek, 2008)and Mercury (CCDC)'
_computing_publication_material  'SHELXL-2013 (Sheldrick,2013)'
_computing_structure_refinement  'SHELXL-2013 (Sheldrick,2013)'
_computing_structure_solution    'SHELXS-2013 (Sheldrick,2013)'
_diffrn_ambient_temperature      298(2)
_diffrn_measured_fraction_theta_full 0.986
_diffrn_measured_fraction_theta_max 0.986
_diffrn_measurement_device_type  CCD
_diffrn_measurement_method       'omega and phi 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  0.0903
_diffrn_reflns_av_sigmaI/netI    0.0711
_diffrn_reflns_limit_h_max       16
_diffrn_reflns_limit_h_min       -16
_diffrn_reflns_limit_k_max       13
_diffrn_reflns_limit_k_min       -13
_diffrn_reflns_limit_l_max       26
_diffrn_reflns_limit_l_min       -27
_diffrn_reflns_number            41174
_diffrn_reflns_theta_full        27.24
_diffrn_reflns_theta_max         27.24
_diffrn_reflns_theta_min         1.77
_exptl_absorpt_coefficient_mu    0.752
_exptl_absorpt_correction_T_max  0.893
_exptl_absorpt_correction_T_min  0.692
_exptl_absorpt_correction_type   empirical
_exptl_absorpt_process_details   Sadabs
_exptl_crystal_colour            Brown
_exptl_crystal_density_diffrn    1.476
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       Block
_exptl_crystal_F_000             1272
_exptl_crystal_size_max          0.20
_exptl_crystal_size_mid          0.12
_exptl_crystal_size_min          0.10
_refine_diff_density_max         1.093
_refine_diff_density_min         -0.407
_refine_diff_density_rms         0.084
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.022
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     388
_refine_ls_number_reflns         6084
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.022
_refine_ls_R_factor_all          0.1101
_refine_ls_R_factor_gt           0.0572
_refine_ls_shift/su_max          0.009
_refine_ls_shift/su_mean         0.001
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0779P)^2^+0.6979P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1316
_refine_ls_wR_factor_ref         0.1598
_reflns_number_gt                3699
_reflns_number_total             6084
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c6ra02982e2.cif
_cod_data_source_block           ms18r
_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.

'_exptl_absorpt_correction_type' value 'Empirical' changed to
'empirical' 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 4268 2015-11-12 08:31:59Z antanas 
;
_cod_original_sg_symbol_H-M      P21/n
_cod_database_code               7224812