Crystal structure of 1-(2-bromoethyl)-2-methyl-5-nitroimidazole, C~6~H~8~BrN~3~O~2~
Balliano, T. L.; Pereira, M. A.; De Simone, C. A.; Malta, V. R. S.; Velasquez, N.; Cioletti, A. G.; Goulart, M. O. F.; Zeitschrift für Kristallographie - New Crystal Structures 221 (2006) 49–50; doi:

data_8101913
_publ_section_title
;
Crystal structure of 1-(2-bromoethyl)-2-methyl-5-nitroimidazole, 
C~6~H~8~BrN~3~O~2~
;
_journal_issue                   1
_journal_name_full
'Zeitschrift f\"ur Kristallographie - New Crystal Structures'
_journal_page_first              49
_journal_page_last               50
_journal_volume                  221
_journal_year                    2006
_chemical_formula_moiety         'C6 H8 Br N3 O2'
_chemical_formula_sum            'C6 H8 Br N3 O2'
_chemical_formula_weight         234.06
_chemical_name_systematic
;
1-(2-bromoethyl)-2-methyl-5-nitroimidazol
;
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2yab'
_symmetry_space_group_name_H-M   'P 1 21/a 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                 97.274(2)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   6.3952(2)
_cell_length_b                   11.1267(3)
_cell_length_c                   12.0785(4)
_cell_measurement_reflns_used    5835
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      27.485
_cell_measurement_theta_min      0.998
_cell_volume                     852.56(5)
_computing_cell_refinement       'HKL Scalepack (Otwinowski & Minor 1997)'
_computing_data_collection       'Collect (Nonius BV, 1997-2000)'
_computing_data_reduction
'HKL Denzo and Scalepack (Otwinowski & Minor 1997)'
_computing_molecular_graphics    'Ortep-3 for Windows (Farrugia, 1997)'
_computing_publication_material  'WinGX publication routines (Farrugia, 1999)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      293(2)
_diffrn_detector_area_resol_mean 9
_diffrn_measured_fraction_theta_full 0.992
_diffrn_measured_fraction_theta_max 0.992
_diffrn_measurement_device_type  'Nonius KappaCCD'
_diffrn_measurement_method       phi/omega
_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  0.0655
_diffrn_reflns_av_sigmaI/netI    0.0321
_diffrn_reflns_limit_h_max       5
_diffrn_reflns_limit_h_min       -8
_diffrn_reflns_limit_k_max       14
_diffrn_reflns_limit_k_min       -13
_diffrn_reflns_limit_l_max       15
_diffrn_reflns_limit_l_min       -14
_diffrn_reflns_number            9141
_diffrn_reflns_theta_full        27.48
_diffrn_reflns_theta_max         27.48
_diffrn_reflns_theta_min         2.50
_exptl_absorpt_coefficient_mu    4.785
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.824
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             464
_exptl_crystal_size_max          0.2
_exptl_crystal_size_mid          0.2
_exptl_crystal_size_min          0.2
_refine_diff_density_max         0.796
_refine_diff_density_min         -1.129
_refine_diff_density_rms         0.106
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.083
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     109
_refine_ls_number_reflns         1947
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.083
_refine_ls_R_factor_all          0.0541
_refine_ls_R_factor_gt           0.0466
_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^)+(0.0716P)^2^+0.5776P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1222
_refine_ls_wR_factor_ref         0.1281
_reflns_number_gt                1669
_reflns_number_total             1947
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            1267-1706.cff
_cod_data_source_block           C6H8BrN3O2
_cod_original_sg_symbol_H-M      P12(1)/a1
_cod_database_code               8101913