Exploration of unconventional π‒hole and C‒H⋯H‒C types of supramolecular interactions in a trinuclear Cd(ii) and a heteronuclear Cd(ii)‒Ni(ii) complex and experimental evidence for preferential site selection of the ligand by 3d and 4d metal ions
Banerjee, Saikat; Bauzá, Antonio; Frontera, Antonio; Saha, Amrita; RSC Adv. 6 (2016) 39376–; doi:10.1039/C6RA04428J

data_7224956
_publ_section_title
;
 Exploration of unconventional \p--hole and C--H&#x22EF;H--C types of
 supramolecular interactions in a trinuclear Cd(ii) and a heteronuclear
 Cd(ii)--Ni(ii) complex and experimental evidence for preferential site
 selection of the ligand by 3d and 4d metal ions
;
_journal_issue                   45
_journal_name_full               'RSC Adv.'
_journal_page_first              39376
_journal_paper_doi               10.1039/C6RA04428J
_journal_volume                  6
_journal_year                    2016
_chemical_formula_sum            'C21 H30 Cd Cl2 N2 Ni O7'
_chemical_formula_weight         664.47
_chemical_name_systematic
;
 ?
;
_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
;
2015-04-27 deposited with the CCDC.
2016-04-11 downloaded from the CCDC.
;
_cell_angle_alpha                90.00
_cell_angle_beta                 102.203(2)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   10.2934(4)
_cell_length_b                   15.9246(5)
_cell_length_c                   15.9021(5)
_cell_measurement_temperature    273(2)
_cell_volume                     2547.75(15)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      273(2)
_diffrn_measured_fraction_theta_full 0.962
_diffrn_measured_fraction_theta_max 0.962
_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  0.0310
_diffrn_reflns_av_sigmaI/netI    0.0217
_diffrn_reflns_limit_h_max       14
_diffrn_reflns_limit_h_min       -14
_diffrn_reflns_limit_k_max       21
_diffrn_reflns_limit_k_min       -22
_diffrn_reflns_limit_l_max       21
_diffrn_reflns_limit_l_min       -22
_diffrn_reflns_number            43947
_diffrn_reflns_theta_full        30.23
_diffrn_reflns_theta_max         30.23
_diffrn_reflns_theta_min         1.83
_exptl_absorpt_coefficient_mu    1.821
_exptl_crystal_colour            green
_exptl_crystal_density_diffrn    1.685
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1304
_refine_diff_density_max         1.217
_refine_diff_density_min         -0.513
_refine_diff_density_rms         0.080
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.043
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     319
_refine_ls_number_reflns         7304
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.043
_refine_ls_R_factor_all          0.0485
_refine_ls_R_factor_gt           0.0351
_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^)+(0.0482P)^2^+2.1546P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0936
_refine_ls_wR_factor_ref         0.1025
_reflns_number_gt                5773
_reflns_number_total             7304
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c6ra04428j2.cif
_cod_data_source_block           shelxl
_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 4268 2015-11-12 08:31:59Z antanas 
;
_cod_original_sg_symbol_H-M      'P 21/n'
_cod_database_code               7224956