Ethyl 2-(1<i>H</i>-1,2,3-benzotriazol-1-yl)acetate
Li, Xiao-Xia; Chen, Zhong; Acta Crystallographica Section E 67 (2011) o140–; doi:10.1107/S160053681005138X

data_2228896
_publ_section_title
;
 Ethyl 2-(1<i>H</i>-1,2,3-benzotriazol-1-yl)acetate
;
_journal_coeditor_code           VM2062
_journal_issue                   1
_journal_name_full               'Acta Crystallographica Section E'
_journal_page_first              o140
_journal_paper_doi               10.1107/S160053681005138X
_journal_volume                  67
_journal_year                    2011
_chemical_formula_iupac          'C10 H11 N3 O2'
_chemical_formula_moiety         'C10 H11 N3 O2'
_chemical_formula_sum            'C10 H11 N3 O2'
_chemical_formula_weight         205.22
_chemical_name_systematic
;
Ethyl 2-(1<i>H</i>-1,2,3-benzotriazol-1-yl)acetate
;
_space_group_IT_number           15
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-C 2yc'
_symmetry_space_group_name_H-M   'C 1 2/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                 111.770(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            8
_cell_length_a                   20.6734(9)
_cell_length_b                   11.9284(5)
_cell_length_c                   9.3420(4)
_cell_measurement_reflns_used    1764
_cell_measurement_temperature    296(2)
_cell_measurement_theta_max      21.80
_cell_measurement_theta_min      2.78
_cell_volume                     2139.44(16)
_computing_cell_refinement       '<i>SAINT</i> (Bruker, 2007)'
_computing_data_collection       '<i>APEX2</i> (Bruker, 2007)'
_computing_data_reduction        '<i>SAINT</i> (Bruker, 2007)'
_computing_molecular_graphics    '<i>SHELXTL</i> (Sheldrick, 2008)'
_computing_publication_material  '<i>SHELXTL</i> (Sheldrick, 2008)'
_computing_structure_refinement  '<i>SHELXL97</i> (Sheldrick, 2008)'
_computing_structure_solution    '<i>SHELXS97</i> (Sheldrick, 2008)'
_diffrn_ambient_temperature      296(2)
_diffrn_measured_fraction_theta_full 0.994
_diffrn_measured_fraction_theta_max 0.994
_diffrn_measurement_device_type  'Bruker SMART APEX CCD'
_diffrn_measurement_method       '\f and \w'
_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  0.0392
_diffrn_reflns_av_sigmaI/netI    0.0370
_diffrn_reflns_limit_h_max       27
_diffrn_reflns_limit_h_min       -24
_diffrn_reflns_limit_k_max       13
_diffrn_reflns_limit_k_min       -15
_diffrn_reflns_limit_l_max       12
_diffrn_reflns_limit_l_min       -12
_diffrn_reflns_number            9605
_diffrn_reflns_theta_full        27.91
_diffrn_reflns_theta_max         27.91
_diffrn_reflns_theta_min         2.01
_exptl_absorpt_coefficient_mu    0.092
_exptl_absorpt_correction_T_max  0.985
_exptl_absorpt_correction_T_min  0.980
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   '(<i>SADABS</i>; Bruker, 2007)'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.274
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             864
_exptl_crystal_size_max          0.23
_exptl_crystal_size_mid          0.18
_exptl_crystal_size_min          0.16
_refine_diff_density_max         0.502
_refine_diff_density_min         -0.238
_refine_ls_extinction_coef       0.0044(15)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     '<i>SHELXL97</i> (Sheldrick, 2008)'
_refine_ls_goodness_of_fit_ref   1.065
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     137
_refine_ls_number_reflns         2551
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.118
_refine_ls_R_factor_all          0.1167
_refine_ls_R_factor_gt           0.0668
_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^)+(0.1115P)^2^+0.7271P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1988
_refine_ls_wR_factor_ref         0.2314
_reflns_number_gt                1360
_reflns_number_total             2551
_reflns_threshold_expression     I>2sigma(I)
_cod_data_source_file            vm2062.cif
_cod_data_source_block           I
_cod_original_sg_symbol_H-M      'C 2/c'
_cod_database_code               2228896
_cod_database_fobs_code          2228896