Methylene spacer regulated variation in supramolecular assembly of zinc(II) dicyanamide complexes with reduced Schiff base ligands: Synthesis, structure and DFT study
Chattopadhyay, Shouvik; Frontera, Antonio; Karmakar, Mainak; CrystEngComm  (2020) –; doi:10.1039/D0CE01105C

data_7241161
_publ_section_title
;
 Methylene spacer regulated variation in supramolecular assembly of
 zinc(II) dicyanamide complexes with reduced Schiff base ligands:
 Synthesis, structure and DFT study
;
_journal_name_full               CrystEngComm
_journal_paper_doi               10.1039/D0CE01105C
_journal_year                    2020
_chemical_formula_sum            'C54 H64 N16 O8 Zn4'
_chemical_formula_weight         1326.77
_space_group_crystal_system      orthorhombic
_space_group_IT_number           61
_space_group_name_Hall           '-P 2ac 2ab'
_space_group_name_H-M_alt        'P b c a'
_atom_sites_solution_hydrogens   mixed
_audit_creation_method           SHELXL-2018/3
_audit_update_record
;
2020-07-18 deposited with the CCDC.	2020-09-01 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   15.2598(12)
_cell_length_b                   16.0078(13)
_cell_length_c                   24.0526(19)
_cell_measurement_reflns_used    9856
_cell_measurement_temperature    273(2)
_cell_measurement_theta_max      25.074
_cell_measurement_theta_min      2.2835
_cell_volume                     5875.5(8)
_computing_cell_refinement       'SAINT V8.35A (Bruker AXS Inc., 2015)'
_computing_data_collection       'APEX3 (Bruker AXS Inc., 2015)'
_computing_data_reduction        'SAINT V8.35A (Bruker AXS Inc., 2015)'
_computing_structure_refinement  'SHELXL-2018/3 (Sheldrick, 2018)'
_computing_structure_solution    'SHELXT 2014/5 (Sheldrick, 2014)'
_diffrn_ambient_temperature      273(2)
_diffrn_detector_area_resol_mean 7.8
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 0.999
_diffrn_measurement_device_type  'Bruker D8 QUEST area detector'
_diffrn_measurement_method       '\w and \f scans'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0769
_diffrn_reflns_av_unetI/netI     0.0483
_diffrn_reflns_Laue_measured_fraction_full 1.000
_diffrn_reflns_Laue_measured_fraction_max 0.999
_diffrn_reflns_limit_h_max       19
_diffrn_reflns_limit_h_min       -19
_diffrn_reflns_limit_k_max       18
_diffrn_reflns_limit_k_min       -20
_diffrn_reflns_limit_l_max       25
_diffrn_reflns_limit_l_min       -30
_diffrn_reflns_number            49528
_diffrn_reflns_point_group_measured_fraction_full 1.000
_diffrn_reflns_point_group_measured_fraction_max 0.999
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         27.108
_diffrn_reflns_theta_min         2.029
_diffrn_source                   'microfocus sealed X-ray tube'
_exptl_absorpt_coefficient_mu    1.680
_exptl_absorpt_correction_T_max  0.879
_exptl_absorpt_correction_T_min  0.825
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   SADABS
_exptl_crystal_colour            White
_exptl_crystal_density_diffrn    1.500
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       Block
_exptl_crystal_F_000             2736
_exptl_crystal_size_max          0.3
_exptl_crystal_size_mid          0.3
_exptl_crystal_size_min          0.2
_refine_diff_density_max         0.864
_refine_diff_density_min         -0.690
_refine_diff_density_rms         0.191
_refine_ls_extinction_coef       0.0064(5)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     'SHELXL-2018/3 (Sheldrick 2018)'
_refine_ls_goodness_of_fit_ref   1.096
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     374
_refine_ls_number_reflns         6481
_refine_ls_number_restraints     4
_refine_ls_restrained_S_all      1.101
_refine_ls_R_factor_all          0.0920
_refine_ls_R_factor_gt           0.0550
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0933P)^2^+3.7756P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1433
_refine_ls_wR_factor_ref         0.1743
_reflns_Friedel_coverage         0.000
_reflns_number_gt                4495
_reflns_number_total             6487
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d0ce01105c2.cif
_cod_data_source_block           3
_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_database_code               7241161
_shelx_shelxl_version_number     2018/3
_shelx_estimated_absorpt_t_min   0.767
_shelx_estimated_absorpt_t_max   0.966
_shelx_res_checksum              37567