Supramolecular isomerism within three-dimensional 3-connected nets: unusual synthesis and characterization of trimorphic copper(I) 3,5-dimethyl-1,2,4-triazolate.
Zhang, Jie-Peng; Lin, Yan-Yong; Huang, Xiao-Chun; Chen, Xiao-Ming; Dalton transactions (Cambridge, England : 2003)  (2005) 3681–3685; doi:10.1039/b509615d

data_7000140
_publ_section_title
;
 Supramolecular isomerism within three-dimensional 3-connected nets:
 unusual synthesis and characterization of trimorphic copper(I)
 3,5-dimethyl-1,2,4-triazolate.
;
_journal_issue                   22
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              3681
_journal_page_last               3685
_journal_paper_doi               10.1039/b509615d
_journal_year                    2005
_chemical_formula_sum            'C4 H6 Cu N3'
_chemical_formula_weight         159.66
_chemical_name_systematic
;
?
;
_space_group_IT_number           122
_symmetry_cell_setting           tetragonal
_symmetry_space_group_name_Hall  'I -4 2bw'
_symmetry_space_group_name_H-M   'I -4 2 d'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                90.00
_cell_angle_beta                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            8
_cell_length_a                   14.0247(5)
_cell_length_b                   14.0247(5)
_cell_length_c                   5.2884(4)
_cell_measurement_temperature    293(2)
_cell_volume                     1040.19(9)
_computing_cell_refinement       SAINT
_computing_data_collection       SMART
_computing_data_reduction        SAINT
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 1.000
_diffrn_measurement_device_type  CCD
_diffrn_measurement_method       '/w scan'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0177
_diffrn_reflns_av_sigmaI/netI    0.0168
_diffrn_reflns_limit_h_max       18
_diffrn_reflns_limit_h_min       -18
_diffrn_reflns_limit_k_max       18
_diffrn_reflns_limit_k_min       -18
_diffrn_reflns_limit_l_max       6
_diffrn_reflns_limit_l_min       -6
_diffrn_reflns_number            4503
_diffrn_reflns_theta_full        28.00
_diffrn_reflns_theta_max         28.00
_diffrn_reflns_theta_min         2.90
_exptl_absorpt_coefficient_mu    4.067
_exptl_absorpt_correction_T_max  0.6865
_exptl_absorpt_correction_T_min  0.4968
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   SADABS
_exptl_crystal_colour            pale-yellow
_exptl_crystal_density_diffrn    2.039
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       needle-like
_exptl_crystal_F_000             640
_exptl_crystal_size_max          0.20
_exptl_crystal_size_mid          0.15
_exptl_crystal_size_min          0.10
_refine_diff_density_max         0.462
_refine_diff_density_min         -0.243
_refine_diff_density_rms         0.063
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.05(3)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.019
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     39
_refine_ls_number_reflns         629
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.019
_refine_ls_R_factor_all          0.0201
_refine_ls_R_factor_gt           0.0197
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0396P)^2^+1.0392P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0569
_refine_ls_wR_factor_ref         0.0572
_reflns_number_gt                622
_reflns_number_total             629
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            b509615d.txt
_cod_data_source_block           2
_cod_original_sg_symbol_H-M      I-42d
_cod_database_code               7000140