Ethyl (3,4,5-tribromo-1<i>H</i>-pyrrole-2-carboxamido)acetate
Xiang-Chao Zeng; Jian-Xin Meng; Acta Crystallographica Section E 62 (2006) o990–o991; doi:10.1107/S1600536806004508

data_2208405
_publ_section_title
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 Ethyl (3,4,5-tribromo-1<i>H</i>-pyrrole-2-carboxamido)acetate
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_journal_coeditor_code           RZ2003
_journal_issue                   3
_journal_name_full               'Acta Crystallographica Section E'
_journal_page_first              o990
_journal_page_last               o991
_journal_paper_doi               10.1107/S1600536806004508
_journal_volume                  62
_journal_year                    2006
_chemical_formula_iupac          'C9 H9 Br3 N2 O3'
_chemical_formula_moiety         'C9 H9 Br3 N2 O3'
_chemical_formula_sum            'C9 H9 Br3 N2 O3'
_chemical_formula_weight         432.91
_chemical_melting_point          495
_chemical_name_systematic
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Ethyl (3,4,5-tribromo-1H-pyrrole-2-carboxamido)acetate
;
_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                71.890(2)
_cell_angle_beta                 63.062(2)
_cell_angle_gamma                76.166(2)
_cell_formula_units_Z            2
_cell_length_a                   8.8767(13)
_cell_length_b                   9.2500(13)
_cell_length_c                   9.4370(13)
_cell_measurement_reflns_used    2525
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      26.99
_cell_measurement_theta_min      2.33
_cell_volume                     652.14(16)
_computing_cell_refinement       'SAINT-Plus (Bruker, 1999)'
_computing_data_collection       'SMART (Bruker,1999)'
_computing_data_reduction        SAINT-Plus
_computing_molecular_graphics    SHELXTL
_computing_publication_material  SHELXTL
_computing_structure_refinement  SHELXTL
_computing_structure_solution    'SHELXTL (Bruker,1997)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 0.970
_diffrn_measured_fraction_theta_max 0.970
_diffrn_measurement_device_type  'Bruker SMART 1K CCD area-detector'
_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  0.0344
_diffrn_reflns_av_sigmaI/netI    0.0513
_diffrn_reflns_limit_h_max       10
_diffrn_reflns_limit_h_min       -10
_diffrn_reflns_limit_k_max       11
_diffrn_reflns_limit_k_min       -11
_diffrn_reflns_limit_l_max       11
_diffrn_reflns_limit_l_min       -11
_diffrn_reflns_number            4873
_diffrn_reflns_theta_full        26.00
_diffrn_reflns_theta_max         26.00
_diffrn_reflns_theta_min         2.49
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    9.276
_exptl_absorpt_correction_T_max  0.068
_exptl_absorpt_correction_T_min  0.044
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   '(SADABS; Sheldrick,1996)'
_exptl_crystal_colour            Colourless
_exptl_crystal_density_diffrn    2.205
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       Block
_exptl_crystal_F_000             412
_exptl_crystal_size_max          0.40
_exptl_crystal_size_mid          0.31
_exptl_crystal_size_min          0.29
_refine_diff_density_max         0.682
_refine_diff_density_min         -0.720
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.042
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     155
_refine_ls_number_reflns         2493
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.042
_refine_ls_R_factor_all          0.0477
_refine_ls_R_factor_gt           0.0356
_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^)+(0.0501P)^2^+0.302P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0931
_refine_ls_wR_factor_ref         0.0993
_reflns_number_gt                2009
_reflns_number_total             2493
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            rz2003.cif
_cod_data_source_block           I
_cod_depositor_comments
;
The following automatic conversions were performed:
'_symmetry_cell_setting' value 'Triclinic' changed to 'triclinic'
according to '/home/saulius/struct/CIF-dictionaries/cif_core.dic'
dictionary named 'cif_core.dic' version 2.4.1 from 2010-06-29.

Automatic conversion script
Id: cif_fix_enum 1527 2010-12-29 10:47:43Z saulius 

The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Triclinic' changed to 'triclinic'
according to /home/saulius/struct/CIF-dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.1 from 2010-06-29.

Automatic conversion script
Id: cif_fix_values 1715 2011-07-08 13:25:40Z adriana 
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_cod_database_code               2208405