Aryl-substituents moderate the nature of hydrogen bonds, N–H⋯N versus N–H⋯O, leading to supramolecular chains in the crystal structures of N-arylamino 1,2,3-triazole esters
Cunha, Anna C.; Ferreira, Vitor F.; Jordão, Alessandro K.; de Souza, Maria C. B. V.; Wardell, Solange M. S. V.; Wardell, James L.; Tan, Peiyu Amelia; Bettens, Ryan P. A.; Seth, Saikat Kumar; Tiekink, Edward R. T.; CrystEngComm 15 (2013) 4917–; doi:10.1039/c3ce40102b

data_7210114
_publ_section_title
;
 Aryl-substituents moderate the nature of hydrogen bonds, N--H&#x22EF;N
 versus N--H&#x22EF;O, leading to supramolecular chains in the crystal
 structures of N-arylamino 1,2,3-triazole esters
;
_journal_issue                   24
_journal_name_full               CrystEngComm
_journal_page_first              4917
_journal_paper_doi               10.1039/c3ce40102b
_journal_volume                  15
_journal_year                    2013
_chemical_formula_moiety         'C12 H12 Cl2 N4 O2'
_chemical_formula_sum            'C12 H12 Cl2 N4 O2'
_chemical_formula_weight         315.16
_space_group_IT_number           2
_symmetry_cell_setting           triclinic
_symmetry_space_group_name_Hall  '-P 1'
_symmetry_space_group_name_H-M   'P -1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                87.87(2)
_cell_angle_beta                 88.86(4)
_cell_angle_gamma                88.29(2)
_cell_formula_units_Z            4
_cell_length_a                   7.2818(11)
_cell_length_b                   11.242(3)
_cell_length_c                   16.916(4)
_cell_measurement_reflns_used    990
_cell_measurement_temperature    120(2)
_cell_measurement_theta_max      27.4
_cell_measurement_theta_min      2.9
_cell_volume                     1383.0(5)
_computing_cell_refinement       'SAINT (Bruker, 2004)'
_computing_data_collection       'APEX2 (Bruker, 2004)'
_computing_data_reduction        SAINT
_computing_molecular_graphics
;
ORTEP-3 (Farrugia, 1997), DIAMOND (Brandenburg, 2006),
Qmol (Gans & Shalloway, 2001)
;
_computing_publication_material  'publCIF (Westrip, 2010)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      120(2)
_diffrn_measured_fraction_theta_full 0.969
_diffrn_measured_fraction_theta_max 0.969
_diffrn_measurement_device_type  'Bruker SMART APEX2 CCD diffractometer'
_diffrn_measurement_method       'fine-slice \w scans'
_diffrn_radiation_monochromator  'silicon 111'
_diffrn_radiation_source         'Daresbury SRS station 9.8'
_diffrn_radiation_type           Synchrotron
_diffrn_radiation_wavelength     0.6893
_diffrn_reflns_av_R_equivalents  0.038
_diffrn_reflns_av_sigmaI/netI    0.056
_diffrn_reflns_limit_h_max       9
_diffrn_reflns_limit_h_min       -9
_diffrn_reflns_limit_k_max       14
_diffrn_reflns_limit_k_min       -14
_diffrn_reflns_limit_l_max       21
_diffrn_reflns_limit_l_min       -21
_diffrn_reflns_number            11827
_diffrn_reflns_theta_full        26.5
_diffrn_reflns_theta_max         26.5
_diffrn_reflns_theta_min         2.2
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.476
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.514
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             648
_exptl_crystal_size_max          0.02
_exptl_crystal_size_mid          0.02
_exptl_crystal_size_min          0.01
_refine_diff_density_max         0.47
_refine_diff_density_min         -0.30
_refine_diff_density_rms         0.068
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.11
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     371
_refine_ls_number_reflns         6043
_refine_ls_number_restraints     2
_refine_ls_restrained_S_all      1.11
_refine_ls_R_factor_all          0.059
_refine_ls_R_factor_gt           0.051
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0392P)^2^+1.8560P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.131
_refine_ls_wR_factor_ref         0.136
_reflns_number_gt                5182
_reflns_number_total             6043
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            c3ce40102b.txt
_cod_data_source_block           cl2
_cod_original_sg_symbol_H-M      'P -1 '
_cod_database_code               7210114