Syntheses and magnetic properties of a bis-bidentate nitronyl nitroxide radical based on triazolopyrimidine and its metal complexes
Xia, Cheng-Cai; Zhang, Xinyu; Zhang, Chengcheng; Li, Gang; Wei, Haiyan; Wang, Xin-Yi; Dalton Transactions  (2023) –; doi:10.1039/D3DT01277H

data_7713183
_publ_section_title
;
 Syntheses and magnetic properties of a bis-bidentate nitronyl nitroxide
 radical based on triazolopyrimidine and its metal complexes
;
_journal_name_full               'Dalton Transactions'
_journal_paper_doi               10.1039/D3DT01277H
_journal_year                    2023
_chemical_formula_moiety         'C12 H15 N6 O2'
_chemical_formula_sum            'C12 H15 N6 O2'
_chemical_formula_weight         275.30
_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   geom
_atom_sites_solution_primary     dual
_audit_creation_date             2023-01-28
_audit_creation_method
;
Olex2 1.5-alpha
(compiled 2023.01.27 svn.rdd5efbe3 for OlexSys, GUI svn.r6708)
;
_audit_update_record
;
2023-04-26 deposited with the CCDC.	2023-05-29 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 95.559(7)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   6.4642(15)
_cell_length_b                   10.078(2)
_cell_length_c                   20.367(4)
_cell_measurement_reflns_used    4091
_cell_measurement_temperature    193
_cell_measurement_theta_max      25.39
_cell_measurement_theta_min      2.26
_cell_volume                     1320.6(5)
_computing_molecular_graphics    'Olex2 1.5-alpha (Dolomanov et al., 2009)'
_computing_publication_material  'Olex2 1.5-alpha (Dolomanov et al., 2009)'
_computing_structure_refinement  'SHELXL 2018/3 (Sheldrick, 2015)'
_computing_structure_solution    'SHELXT 2014/5 (Sheldrick, 2014)'
_diffrn_ambient_temperature      193
_diffrn_measured_fraction_theta_full 0.994
_diffrn_measured_fraction_theta_max 0.987
_diffrn_measurement_device_type  'Bruker APEX-II CCD'
_diffrn_measurement_method       '\f and \w scans'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0670
_diffrn_reflns_av_unetI/netI     0.0574
_diffrn_reflns_Laue_measured_fraction_full 0.994
_diffrn_reflns_Laue_measured_fraction_max 0.987
_diffrn_reflns_limit_h_max       7
_diffrn_reflns_limit_h_min       -7
_diffrn_reflns_limit_k_max       12
_diffrn_reflns_limit_k_min       -12
_diffrn_reflns_limit_l_max       22
_diffrn_reflns_limit_l_min       -24
_diffrn_reflns_number            9125
_diffrn_reflns_point_group_measured_fraction_full 0.994
_diffrn_reflns_point_group_measured_fraction_max 0.987
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         25.393
_diffrn_reflns_theta_min         2.257
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.100
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            'metallic dark violet'
_exptl_crystal_colour_lustre     metallic
_exptl_crystal_colour_modifier   dark
_exptl_crystal_colour_primary    violet
_exptl_crystal_density_diffrn    1.385
_exptl_crystal_description       block
_exptl_crystal_F_000             580
_exptl_crystal_size_max          0.04
_exptl_crystal_size_mid          0.02
_exptl_crystal_size_min          0.02
_refine_diff_density_max         0.181
_refine_diff_density_min         -0.232
_refine_diff_density_rms         0.049
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.103
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     185
_refine_ls_number_reflns         2401
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.103
_refine_ls_R_factor_all          0.0742
_refine_ls_R_factor_gt           0.0510
_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^)+(0.0114P)^2^+1.1196P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1084
_refine_ls_wR_factor_ref         0.1193
_reflns_Friedel_coverage         0.000
_reflns_number_gt                1807
_reflns_number_total             2401
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d3dt01277h2.cif
_cod_data_source_block           1
_cod_database_code               7713183
_shelx_shelxl_version_number     2018/3
_shelx_estimated_absorpt_t_max   0.998
_shelx_estimated_absorpt_t_min   0.996
_olex2_refinement_description
;
1. Fixed Uiso
 At 1.2 times of:
  All C(H) groups
 At 1.5 times of:
  All C(H,H,H) groups
2.a Aromatic/amide H refined with riding coordinates:
 C11(H11), C12(H12), C10(H10)
2.b Idealised Me refined as rotating group:
 C4(H4A,H4B,H4C), C6(H6A,H6B,H6C), C2(H2A,H2B,H2C), C1(H1A,H1B,H1C)
;
_shelx_res_checksum              9997
_olex2_submission_special_instructions 'No special instructions were received'