Nano spinel cobaltites and their catalytic and electrochemical properties: facile synthesis of metal (Co, Ni, and Zn) and mixed metal (Co‒Ni and Co‒Zn) complexes of Schiff bases prepared from α-ketoglutaric acid and ethyl carbazate
Parveen, Sheikdawood; Nguyen, Hung Huy; Premkumar, Thathan; Puschmann, Horst; Govindarajan, Subbiah; New Journal of Chemistry 44 (2020) 12729–12740; doi:10.1039/D0NJ01016B

data_7059767
_publ_section_title
;
 Nano spinel cobaltites and their catalytic and electrochemical
 properties: facile synthesis of metal (Co, Ni, and Zn) and mixed metal
 (Co--Ni and Co--Zn) complexes of Schiff bases prepared from
 \a-ketoglutaric acid and ethyl carbazate
;
_journal_issue                   29
_journal_name_full               'New Journal of Chemistry'
_journal_page_first              12729
_journal_page_last               12740
_journal_paper_doi               10.1039/D0NJ01016B
_journal_volume                  44
_journal_year                    2020
_chemical_formula_moiety         'C16 H22 Co0.67 N4 Ni0.33 O12'
_chemical_formula_sum            'C16 H22 Co0.66 N4 Ni0.33 O12'
_chemical_formula_weight         521.23
_space_group_crystal_system      monoclinic
_space_group_IT_number           15
_space_group_name_Hall           '-C 2yc'
_space_group_name_H-M_alt        'C 1 2/c 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     dual
_audit_creation_date             2019-01-29
_audit_creation_method
;
Olex2 1.2
(compiled 2018.05.29 svn.r3508 for OlexSys, GUI svn.r5506)
;
_audit_update_record
;
2019-02-01 deposited with the CCDC.	2020-07-02 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 95.7330(10)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   20.6312(8)
_cell_length_b                   9.2643(4)
_cell_length_c                   11.2605(4)
_cell_measurement_reflns_used    9636
_cell_measurement_temperature    298.0
_cell_measurement_theta_max      28.311
_cell_measurement_theta_min      2.961
_cell_volume                     2141.50(15)
_computing_cell_refinement       'SAINT v8.34A (Bruker, 2013)'
_computing_data_reduction        'SAINT v8.34A (Bruker, 2013)'
_computing_molecular_graphics    'Olex2 (Dolomanov et al., 2009)'
_computing_publication_material  'Olex2 (Dolomanov et al., 2009)'
_computing_structure_refinement  'ShelXL (Sheldrick, 2015)'
_computing_structure_solution    'ShelXT (Sheldrick, 2015)'
_diffrn_ambient_temperature      298.0
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.999
_diffrn_measurement_device_type  'Bruker D8 Quest CMOS'
_diffrn_measurement_method       '\f and \w scans'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0279
_diffrn_reflns_av_unetI/netI     0.0120
_diffrn_reflns_Laue_measured_fraction_full 0.999
_diffrn_reflns_Laue_measured_fraction_max 0.999
_diffrn_reflns_limit_h_max       27
_diffrn_reflns_limit_h_min       -27
_diffrn_reflns_limit_k_max       12
_diffrn_reflns_limit_k_min       -12
_diffrn_reflns_limit_l_max       15
_diffrn_reflns_limit_l_min       -13
_diffrn_reflns_number            34629
_diffrn_reflns_point_group_measured_fraction_full 0.999
_diffrn_reflns_point_group_measured_fraction_max 0.999
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         28.329
_diffrn_reflns_theta_min         2.960
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.908
_exptl_absorpt_correction_T_max  0.7457
_exptl_absorpt_correction_T_min  0.7115
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
'SADABS-2014/2 (Bruker,2014/2) was used for absorption correction. wR2(int) was 0.0523 before and 0.0451 after correction. The Ratio of minimum to maximum transmission is 0.9541. The \l/2 correction factor is 0.00150.'
_exptl_crystal_colour            'clear greenish green'
_exptl_crystal_colour_lustre     clear
_exptl_crystal_colour_modifier   greenish
_exptl_crystal_colour_primary    green
_exptl_crystal_density_diffrn    1.617
_exptl_crystal_description       Block
_exptl_crystal_F_000             1077
_exptl_crystal_size_max          0.32
_exptl_crystal_size_mid          0.3
_exptl_crystal_size_min          0.25
_refine_diff_density_max         0.430
_refine_diff_density_min         -0.434
_refine_diff_density_rms         0.049
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.047
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     157
_refine_ls_number_reflns         2671
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.047
_refine_ls_R_factor_all          0.0316
_refine_ls_R_factor_gt           0.0276
_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^)+(0.0322P)^2^+2.2512P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0676
_refine_ls_wR_factor_ref         0.0697
_reflns_Friedel_coverage         0.000
_reflns_number_gt                2440
_reflns_number_total             2671
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d0nj01016b2.cif
_cod_data_source_block           nhindncke_0m
_cod_depositor_comments
;Adding full bibliography for 7059765--7059769.cif.

 Adding full bibliography for 7059765--7059769.cif.
;
_cod_database_code               7059767
_shelx_shelxl_version_number     2016/6
_shelx_estimated_absorpt_t_max   0.805
_shelx_estimated_absorpt_t_min   0.760
_olex2_refinement_description
;
1. Fixed Uiso
 At 1.2 times of:
  All H(H) groups, All N(H) groups
 At 1.5 times of:
  All C(H,H,H) groups
2. Shared sites
{Ni, Co}
3. Uiso/Uaniso restraints and constraints
Uanis(Ni) = Uanis(Co)
4. Others
 Fixed Sof: Ni(0.167) Co(0.333)
5.a Secondary CH2 refined with riding coordinates:
 C3(H3A,H3B), C4(H4A,H4B), C7(H7A,H7B)
5.b Aromatic/amide H refined with riding coordinates:
 N2(H2)
5.c Idealised Me refined as rotating group:
 C8(H8A,H8B,H8C)
5.d Idealised tetrahedral OH refined as rotating group:
 O3(H3)
;
_shelx_res_checksum              56089
_olex2_submission_special_instructions 'No special instructions were received'