2-(Benzotriazol-1-yl)-1-(4-methylbenzoyl)ethyl 4-ethylbenzoate
Wu-Lan Zeng; Sai Bi; Jun Wan; Acta Crystallographica Section E 63 (2007) o1076–o1077; doi:10.1107/S1600536807004072

data_2212600
_publ_section_title
;
 2-(Benzotriazol-1-yl)-1-(4-methylbenzoyl)ethyl 4-ethylbenzoate
;
_journal_coeditor_code           HK2197
_journal_issue                   3
_journal_name_full               'Acta Crystallographica Section E'
_journal_page_first              o1076
_journal_page_last               o1077
_journal_paper_doi               10.1107/S1600536807004072
_journal_volume                  63
_journal_year                    2007
_chemical_formula_iupac          'C25 H23 N3 O3'
_chemical_formula_moiety         'C25 H23 N3 O3'
_chemical_formula_sum            'C25 H23 N3 O3'
_chemical_formula_weight         413.46
_chemical_name_systematic
;
2-(Benzotriazol-1-yl)-1-(4-methylbenzoyl)ethyl 4-ethylbenzoate
;
_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           SHELXL97
_cell_angle_alpha                90.00
_cell_angle_beta                 102.401(4)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   13.126(3)
_cell_length_b                   19.136(4)
_cell_length_c                   8.771(2)
_cell_measurement_reflns_used    2024
_cell_measurement_temperature    294(2)
_cell_measurement_theta_max      21.95
_cell_measurement_theta_min      2.66
_cell_volume                     2151.7(8)
_computing_cell_refinement       'SAINT (Siemens, 1996)'
_computing_data_collection       'SMART (Siemens, 1996)'
_computing_data_reduction        SAINT
_computing_molecular_graphics    'SHELXTL (Sheldrick, 1997b)'
_computing_publication_material
;
SHELXTL, PARST (Nardelli, 1995) and PLATON (Spek, 2003)
;
_computing_structure_refinement  'SHELXL97 (Sheldrick, 1997a)'
_computing_structure_solution    'SHELXS97 (Sheldrick, 1997a)'
_diffrn_ambient_temperature      294(2)
_diffrn_detector_area_resol_mean 8.33
_diffrn_measured_fraction_theta_full 0.994
_diffrn_measured_fraction_theta_max 0.994
_diffrn_measurement_device_type
;
Siemens SMART 1000 CCD area-detector
;
_diffrn_measurement_method       \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  0.0349
_diffrn_reflns_av_sigmaI/netI    0.0418
_diffrn_reflns_limit_h_max       13
_diffrn_reflns_limit_h_min       -15
_diffrn_reflns_limit_k_max       23
_diffrn_reflns_limit_k_min       -22
_diffrn_reflns_limit_l_max       10
_diffrn_reflns_limit_l_min       -10
_diffrn_reflns_number            11465
_diffrn_reflns_theta_full        25.56
_diffrn_reflns_theta_max         25.56
_diffrn_reflns_theta_min         1.59
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.085
_exptl_absorpt_correction_T_max  0.9873
_exptl_absorpt_correction_T_min  0.9627
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   '(SADABS; Sheldrick, 1996)'
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.276
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             872
_exptl_crystal_size_max          0.45
_exptl_crystal_size_mid          0.35
_exptl_crystal_size_min          0.15
_refine_diff_density_max         0.260
_refine_diff_density_min         -0.204
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.031
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     280
_refine_ls_number_reflns         4008
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.031
_refine_ls_R_factor_all          0.0809
_refine_ls_R_factor_gt           0.0540
_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^)+(0.0621P)^2^+0.3223P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1248
_refine_ls_wR_factor_ref         0.1392
_reflns_number_gt                2816
_reflns_number_total             4008
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            hk2197.cif
_cod_data_source_block           I
_cod_original_sg_symbol_H-M      'P 21/c'
_cod_database_code               2212600
_cod_database_fobs_code          2212600