5-Chloro-2-methylsulfonyl-1,2,4-triazolo[1,5-<i>a</i>]quinazoline
Al-Salahi, Rashad; Al-Omar, Mohamed; Marzouk, Mohamed; Ng, Seik Weng; Acta Crystallographica Section E 68 (2012) o1809–; doi:10.1107/S1600536812021770

data_2234939
_publ_section_title
;
 5-Chloro-2-methylsulfonyl-1,2,4-triazolo[1,5-<i>a</i>]quinazoline
;
_journal_coeditor_code           BT5916
_journal_issue                   6
_journal_name_full               'Acta Crystallographica Section E'
_journal_page_first              o1809
_journal_paper_doi               10.1107/S1600536812021770
_journal_volume                  68
_journal_year                    2012
_chemical_formula_iupac          'C10 H7 Cl N4 O2 S'
_chemical_formula_moiety         'C10 H7 Cl N4 O2 S'
_chemical_formula_sum            'C10 H7 Cl N4 O2 S'
_chemical_formula_weight         282.71
_chemical_name_systematic
;
5-Chloro-2-methylsulfonyl-1,2,4-triazolo[1,5-<i>a</i>]quinazoline
;
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2ybc'
_symmetry_space_group_name_H-M   'P 1 21/c 1'
_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                 102.459(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   12.6386(3)
_cell_length_b                   10.7464(3)
_cell_length_c                   8.6317(3)
_cell_measurement_reflns_used    4932
_cell_measurement_temperature    294(2)
_cell_measurement_theta_max      76.5241
_cell_measurement_theta_min      3.5785
_cell_volume                     1144.74(6)
_computing_cell_refinement       'CrysAlis PRO (Agilent, 2012)'
_computing_data_collection       'CrysAlis PRO (Agilent, 2012)'
_computing_data_reduction        'CrysAlis PRO (Agilent, 2012)'
_computing_molecular_graphics    'X-SEED (Barbour, 2001)'
_computing_publication_material  'publCIF (Westrip, 2010)'
_computing_structure_refinement  'SHELXL97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      294(2)
_diffrn_detector_area_resol_mean 10.4041
_diffrn_measured_fraction_theta_full 0.988
_diffrn_measured_fraction_theta_max 0.988
_diffrn_measurement_device_type
'Agilent SuperNova Dual diffractometer with an Atlas detector'
_diffrn_measurement_method       '\w scan'
_diffrn_radiation_monochromator  Mirror
_diffrn_radiation_source         'SuperNova (Cu) X-ray Source'
_diffrn_radiation_type           CuK\a
_diffrn_radiation_wavelength     1.54184
_diffrn_reflns_av_R_equivalents  0.0248
_diffrn_reflns_av_sigmaI/netI    0.0183
_diffrn_reflns_limit_h_max       12
_diffrn_reflns_limit_h_min       -15
_diffrn_reflns_limit_k_max       12
_diffrn_reflns_limit_k_min       -13
_diffrn_reflns_limit_l_max       10
_diffrn_reflns_limit_l_min       -10
_diffrn_reflns_number            10130
_diffrn_reflns_theta_full        76.72
_diffrn_reflns_theta_max         76.72
_diffrn_reflns_theta_min         3.58
_diffrn_standards_decay_%        0
_diffrn_standards_interval_count 0
_diffrn_standards_interval_time  0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    4.687
_exptl_absorpt_correction_T_max  0.4541
_exptl_absorpt_correction_T_min  0.3337
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   '(CrysAlis PRO; Agilent, 2012)'
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.640
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             576
_exptl_crystal_size_max          0.30
_exptl_crystal_size_mid          0.25
_exptl_crystal_size_min          0.20
_refine_diff_density_max         0.271
_refine_diff_density_min         -0.395
_refine_ls_extinction_coef       0.0033(6)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     'SHELXL97 (Sheldrick, 2008)'
_refine_ls_goodness_of_fit_ref   1.027
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     165
_refine_ls_number_reflns         2383
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.027
_refine_ls_R_factor_all          0.0405
_refine_ls_R_factor_gt           0.0373
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.001
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0707P)^2^+0.3878P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1086
_refine_ls_wR_factor_ref         0.1130
_reflns_number_gt                2168
_reflns_number_total             2383
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            bt5916.cif
_cod_data_source_block           I
_cod_original_sg_symbol_H-M      'P 21/c'
_cod_database_code               2234939
_cod_database_fobs_code          2234939