Synthesis and structural studies of 1,4-di(2-pyridyl)-1,2,3-triazole and its transition metal complexes; a versatile and subtly unsymmetric ligand.
McCarney, Eoin P.; Hawes, Chris S.; Blasco, Salvador; Gunnlaugsson, Thorfinnur; Dalton transactions (Cambridge, England : 2003) 45 (2016) 10209–10221; doi:10.1039/c6dt01416j

data_7039331
_publ_section_title
;
 Synthesis and structural studies of 1,4-di(2-pyridyl)-1,2,3-triazole and
 its transition metal complexes; a versatile and subtly unsymmetric
 ligand.
;
_journal_issue                   25
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              10209
_journal_page_last               10221
_journal_paper_doi               10.1039/c6dt01416j
_journal_volume                  45
_journal_year                    2016
_chemical_formula_moiety         'C24 H18 Co N12 O6'
_chemical_formula_sum            'C24 H18 Co N12 O6'
_chemical_formula_weight         629.43
_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'
_symmetry_space_group_name_Hall  '-P 2ybc'
_symmetry_space_group_name_H-M   'P 1 21/c 1'
_atom_sites_solution_hydrogens   geom
_audit_creation_date             2016-03-23
_audit_creation_method
;
Olex2 1.2
(compiled 2015.09.30 svn.r3233 for OlexSys, GUI svn.r5103)
;
_audit_update_record
;
2016-04-06 deposited with the CCDC.
2016-05-20 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 95.314(6)
_cell_angle_gamma                90
_cell_formula_units_Z            2
_cell_length_a                   7.454(2)
_cell_length_b                   8.717(3)
_cell_length_c                   19.132(5)
_cell_measurement_reflns_used    2406
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      26.93
_cell_measurement_theta_min      2.57
_cell_volume                     1237.8(6)
_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  'XL (Sheldrick, 2008)'
_computing_structure_solution    'ShelXS (Sheldrick, 2008)'
_diffrn_ambient_temperature      100.01
_diffrn_measured_fraction_theta_full 0.991
_diffrn_measured_fraction_theta_max 0.975
_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  0.1669
_diffrn_reflns_av_unetI/netI     0.1094
_diffrn_reflns_Laue_measured_fraction_full 0.991
_diffrn_reflns_Laue_measured_fraction_max 0.975
_diffrn_reflns_limit_h_max       9
_diffrn_reflns_limit_h_min       -9
_diffrn_reflns_limit_k_max       11
_diffrn_reflns_limit_k_min       -11
_diffrn_reflns_limit_l_max       24
_diffrn_reflns_limit_l_min       -24
_diffrn_reflns_number            17941
_diffrn_reflns_point_group_measured_fraction_full 0.991
_diffrn_reflns_point_group_measured_fraction_max 0.975
_diffrn_reflns_theta_full        26.000
_diffrn_reflns_theta_max         27.123
_diffrn_reflns_theta_min         2.138
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.764
_exptl_absorpt_correction_T_max  0.7454
_exptl_absorpt_correction_T_min  0.2925
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
SADABS-2014/5 (Bruker,2014/5) was used for absorption correction.
wR2(int) was 0.1687 before and 0.1075 after correction.
The Ratio of minimum to maximum transmission is 0.3924.
The \l/2 correction factor is 0.00150.
;
_exptl_crystal_colour            yellow
_exptl_crystal_colour_primary    yellow
_exptl_crystal_density_diffrn    1.689
_exptl_crystal_description       Block
_exptl_crystal_F_000             642
_exptl_crystal_size_max          0.08
_exptl_crystal_size_mid          0.05
_exptl_crystal_size_min          0.02
_refine_diff_density_max         1.461
_refine_diff_density_min         -0.855
_refine_diff_density_rms         0.125
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.014
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     196
_refine_ls_number_reflns         2673
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.014
_refine_ls_R_factor_all          0.1214
_refine_ls_R_factor_gt           0.0695
_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^)+(0.1029P)^2^] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1603
_refine_ls_wR_factor_ref         0.1866
_reflns_Friedel_coverage         0.000
_reflns_number_gt                1703
_reflns_number_total             2673
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            c6dt01416j2.cif
_cod_data_source_block           4
_cod_depositor_comments
'Adding full bibliography for 7039327--7039332.cif.'
_cod_database_code               7039331
_shelx_estimated_absorpt_t_max   0.985
_shelx_estimated_absorpt_t_min   0.941
_olex2_refinement_description
;
1. Fixed Uiso
 At 1.2 times of:
  All C(H) groups
2.a Aromatic/amide H refined with riding coordinates:
 C4(H4), C9(H9), C3(H3), C11(H11), C12(H12), C1(H1), C7(H7), C2(H2), C10(H10)
;
_shelx_res_checksum              82766
_shelx_shelxl_version_number     2014/7
_olex2_submission_special_instructions 'No special instructions were received'