Diminishing accessibility of electrophilic nickel(II) centres on incorporating methyl spacer in the pendant side arm of a series of hetero-trinuclear nickel(II)/sodium complexes: DFT study using homodesmotic equation
Bhaumik, Prasanta Kumar; Banerjee, Abhisek; Dutta, Tamal; Chatterjee, Sudipta; Frontera, Antonio; Chattopadhyay, Shouvik; CrystEngComm  (2020) –; doi:10.1039/D0CE00251H

data_7239969
_publ_section_title
;
 Diminishing accessibility of electrophilic nickel(II) centres on
 incorporating methyl spacer in the pendant side arm of a series of
 hetero-trinuclear nickel(II)/sodium complexes: DFT study using
 homodesmotic equation
;
_journal_name_full               CrystEngComm
_journal_paper_doi               10.1039/D0CE00251H
_journal_year                    2020
_chemical_formula_sum            'C44 H49 N6 Na Ni2 O7'
_chemical_formula_weight         919.24
_space_group_crystal_system      monoclinic
_space_group_IT_number           14
_space_group_name_Hall           '-P 2ybc'
_space_group_name_H-M_alt        'P 1 21/c 1'
_atom_sites_solution_hydrogens   geom
_audit_creation_method           SHELXL-2018/3
_audit_update_record
;
2020-01-09 deposited with the CCDC.	2020-02-21 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 117.254(3)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   20.524(3)
_cell_length_b                   10.4135(11)
_cell_length_c                   22.375(3)
_cell_measurement_reflns_used    900
_cell_measurement_temperature    273(2)
_cell_measurement_theta_max      24.99
_cell_measurement_theta_min      2.08
_cell_volume                     4251.2(10)
_computing_structure_refinement  'SHELXL-2018/3 (Sheldrick, 2018)'
_computing_structure_solution    'SHELXT 2014/5 (Sheldrick, 2014)'
_diffrn_ambient_temperature      273(2)
_diffrn_measured_fraction_theta_full 0.997
_diffrn_measured_fraction_theta_max 0.997
_diffrn_measurement_device_type  'BRUKER SMART APEX II'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0817
_diffrn_reflns_av_unetI/netI     0.0792
_diffrn_reflns_Laue_measured_fraction_full 0.997
_diffrn_reflns_Laue_measured_fraction_max 0.997
_diffrn_reflns_limit_h_max       21
_diffrn_reflns_limit_h_min       -24
_diffrn_reflns_limit_k_max       12
_diffrn_reflns_limit_k_min       -12
_diffrn_reflns_limit_l_max       26
_diffrn_reflns_limit_l_min       -26
_diffrn_reflns_number            30804
_diffrn_reflns_point_group_measured_fraction_full 0.997
_diffrn_reflns_point_group_measured_fraction_max 0.997
_diffrn_reflns_theta_full        24.991
_diffrn_reflns_theta_max         24.991
_diffrn_reflns_theta_min         1.829
_exptl_absorpt_coefficient_mu    0.957
_exptl_absorpt_correction_T_max  0.866
_exptl_absorpt_correction_T_min  0.676
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   SADABS
_exptl_crystal_colour            Green
_exptl_crystal_density_diffrn    1.436
_exptl_crystal_description       Block
_exptl_crystal_F_000             1920
_exptl_crystal_size_max          0.55
_exptl_crystal_size_mid          0.35
_exptl_crystal_size_min          0.15
_refine_diff_density_max         1.652
_refine_diff_density_min         -0.624
_refine_diff_density_rms         0.087
_refine_ls_extinction_method     none
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_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
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_refine_ls_number_reflns         7472
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_refine_ls_restrained_S_all      0.946
_refine_ls_R_factor_all          0.1203
_refine_ls_R_factor_gt           0.0696
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.1083P)^2^+12.1550P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1820
_refine_ls_wR_factor_ref         0.2206
_reflns_Friedel_coverage         0.000
_reflns_number_gt                4686
_reflns_number_total             7494
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d0ce00251h2.cif
_cod_data_source_block           shelx_CCDC2
_cod_depositor_comments
;
The following automatic conversions were performed:

data item '_exptl_absorpt_correction_type' value 'MULTI-SCAN' was
changed to 'multi-scan' in accordance with the
/home/data/users/saulius/crontab/automatic-downloads/rss-feeds/RSC/lib/dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 last updated on
2011-04-26.

Automatic conversion script
Id: cif_fix_values 7556 2019-12-06 15:28:31Z antanas 
;
_cod_original_cell_volume        4251.2(9)
_cod_original_sg_symbol_H-M      'P 21/c'
_cod_database_code               7239969
_shelx_shelxl_version_number     2018/3
_shelx_res_checksum              21561