New V<sup>V</sup>O<sub>2</sub>, V<sup>V</sup>O, V<sup>V</sup>OV<sup>V</sup>O and electrogenerated V<sup>IV</sup>OV<sup>V</sup>O systems of valproic acid hydrazones: a study of catalytic activity.
Patra, Roumi; Sinha, Debopam; Mondal, Sandip; Rajak, Kajal Krishna; Dalton transactions (Cambridge, England : 2003) 54 (2025) 5471–5485; doi:10.1039/d4dt02030h

data_7717823
_publ_section_title
;
 New V<sup>V</sup>O<sub>2</sub>, V<sup>V</sup>O,
 V<sup>V</sup>OV<sup>V</sup>O and electrogenerated
 V<sup>IV</sup>OV<sup>V</sup>O systems of valproic acid hydrazones: a
 study of catalytic activity.
;
_journal_issue                   13
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              5471
_journal_page_last               5485
_journal_paper_doi               10.1039/d4dt02030h
_journal_volume                  54
_journal_year                    2025
_chemical_formula_moiety         'C15 H21 N2 O4 V'
_chemical_formula_sum            'C15 H21 N2 O4 V'
_chemical_formula_weight         344.28
_chemical_name_systematic        'vanadium comp[lex'
_space_group_crystal_system      monoclinic
_space_group_IT_number           14
_space_group_name_Hall           '-P 2yn'
_space_group_name_H-M_alt        'P 1 21/n 1'
_atom_sites_solution_hydrogens   mixed
_audit_block_doi                 10.5517/ccdc.csd.cc252pkj
_audit_creation_date             2024-12-04
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;
Olex2 1.5
(compiled 2024.02.16 svn.r378c4104 for OlexSys, GUI svn.r6928)
;
_audit_update_record
;
2024-12-04 deposited with the CCDC.	2025-01-15 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 111.86
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   9.7598(12)
_cell_length_b                   13.8657(17)
_cell_length_c                   13.1083(14)
_cell_measurement_reflns_used    4357
_cell_measurement_temperature    273.15
_cell_measurement_theta_max      27.5
_cell_measurement_theta_min      2.3
_cell_volume                     1646.4(3)
_computing_molecular_graphics    'Olex2 1.5 (Dolomanov et al., 2009)'
_computing_publication_material  'Olex2 1.5 (Dolomanov et al., 2009)'
_computing_structure_refinement  'XL  (Sheldrick, 2008)'
_diffrn_ambient_temperature      273.15
_diffrn_detector                 'Bruker APEX2 area detector'
_diffrn_detector_area_resol_mean 7.9
_diffrn_detector_type            'CCD area detector'
_diffrn_measured_fraction_theta_full 0.997
_diffrn_measured_fraction_theta_max 0.991
_diffrn_measurement_device       'three-circle diffractometer'
_diffrn_measurement_device_type  'Bruker SMART APEX2 area detector'
_diffrn_measurement_method       '\w and \f scans'
_diffrn_radiation_monochromator  'mirror optics'
_diffrn_radiation_probe          x-ray
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0495
_diffrn_reflns_av_unetI/netI     0.0417
_diffrn_reflns_Laue_measured_fraction_full 0.997
_diffrn_reflns_Laue_measured_fraction_max 0.991
_diffrn_reflns_limit_h_max       12
_diffrn_reflns_limit_h_min       -12
_diffrn_reflns_limit_k_max       15
_diffrn_reflns_limit_k_min       -18
_diffrn_reflns_limit_l_max       16
_diffrn_reflns_limit_l_min       -17
_diffrn_reflns_number            13959
_diffrn_reflns_point_group_measured_fraction_full 0.997
_diffrn_reflns_point_group_measured_fraction_max 0.991
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         27.534
_diffrn_reflns_theta_min         2.227
_diffrn_source                   'microfocus sealed X-ray tube'
_diffrn_source_type              'Incoatec I\ms'
_exptl_absorpt_coefficient_mu    0.621
_exptl_absorpt_correction_type   multi-scan
_exptl_crystal_colour            'metallic yellow'
_exptl_crystal_colour_lustre     metallic
_exptl_crystal_colour_primary    yellow
_exptl_crystal_density_diffrn    1.389
_exptl_crystal_description       needle
_exptl_crystal_F_000             720
_exptl_crystal_size_max          0.3
_exptl_crystal_size_mid          0.2
_exptl_crystal_size_min          0.1
_exptl_transmission_factor_max   0.960
_exptl_transmission_factor_min   0.830
_refine_diff_density_max         0.294
_refine_diff_density_min         -0.382
_refine_diff_density_rms         0.068
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.051
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     261
_refine_ls_number_reflns         3759
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.051
_refine_ls_R_factor_all          0.0571
_refine_ls_R_factor_gt           0.0416
_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^)+(0.0313P)^2^+1.1548P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0920
_refine_ls_wR_factor_ref         0.1002
_reflns_Friedel_coverage         0.000
_reflns_number_gt                3077
_reflns_number_total             3759
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d4dt02030h2.cif
_cod_data_source_block           complex2
_cod_depositor_comments
'Adding full bibliography for 7717823--7717828.cif.'
_cod_database_code               7717823
_shelx_shelxl_version_number     2016/6
_shelx_estimated_absorpt_t_max   0.941
_shelx_estimated_absorpt_t_min   0.836
_olex2_refinement_description
;
1. Fixed Uiso
 At 1.5 times of:
  All C(H,H,H) groups
2.a Idealised Me refined as rotating group:
 C8(H8A,H8B,H8C), C11(H11A,H11B,H11C)
;
_shelx_res_checksum              1462
_olex2_submission_special_instructions 'No special instructions were received'