3-[(4-Bromo-1-methyl-1<i>H</i>-pyrrol-2-ylcarbonyl)amino]propanoic acid
Xiang-Chao Zeng; Jian Gu; Shi-Hai Xu; Yu-Xia Li; Po-Run Liu; Acta Crystallographica Section E 61 (2005) o1805–o1806; doi:10.1107/S1600536805015047

data_2206051
_publ_section_title
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 3-[(4-Bromo-1-methyl-1<i>H</i>-pyrrol-2-ylcarbonyl)amino]propanoic
 acid
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_journal_issue                   6
_journal_name_full               'Acta Crystallographica Section E'
_journal_page_first              o1805
_journal_page_last               o1806
_journal_paper_doi               10.1107/S1600536805015047
_journal_volume                  61
_journal_year                    2005
_chemical_formula_iupac          'C9 H11 Br N2 O3'
_chemical_formula_moiety         'C9 H11 Br N2 O3'
_chemical_formula_sum            'C9 H11 Br N2 O3'
_chemical_formula_weight         275.11
_chemical_melting_point          443
_chemical_name_systematic
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3-[(4-Bromo-1-methyl-1H-pyrrol-2-ylcarbonyl)amino]propanoic acid
;
_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                102.202(8)
_cell_angle_beta                 97.123(8)
_cell_angle_gamma                108.950(8)
_cell_formula_units_Z            2
_cell_length_a                   7.824(4)
_cell_length_b                   8.153(4)
_cell_length_c                   9.227(4)
_cell_measurement_reflns_used    783
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      26.95
_cell_measurement_theta_min      2.31
_cell_volume                     532.2(4)
_computing_cell_refinement       'SAINT (Bruker, 1999)'
_computing_data_collection       'SMART (Bruker, 1999)'
_computing_data_reduction        SAINT
_computing_molecular_graphics    'SHELXTL (Bruker, 1997)'
_computing_publication_material  SHELXTL
_computing_structure_refinement  'SHELXL97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 0.941
_diffrn_measured_fraction_theta_max 0.941
_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  0.0184
_diffrn_reflns_av_sigmaI/netI    0.0269
_diffrn_reflns_limit_h_max       9
_diffrn_reflns_limit_h_min       -8
_diffrn_reflns_limit_k_max       9
_diffrn_reflns_limit_k_min       -9
_diffrn_reflns_limit_l_max       10
_diffrn_reflns_limit_l_min       -10
_diffrn_reflns_number            2812
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         25.00
_diffrn_reflns_theta_min         2.31
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    3.851
_exptl_absorpt_correction_T_max  0.354
_exptl_absorpt_correction_T_min  0.208
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   '(SADABS; Sheldrick, 1996)'
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.717
_exptl_crystal_density_meas      ?
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             276
_exptl_crystal_size_max          0.50
_exptl_crystal_size_mid          0.46
_exptl_crystal_size_min          0.27
_refine_diff_density_max         0.842
_refine_diff_density_min         -0.619
_refine_ls_extinction_coef       0.011(4)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     SHELXL97
_refine_ls_goodness_of_fit_ref   1.101
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     141
_refine_ls_number_reflns         1763
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.101
_refine_ls_R_factor_all          0.0390
_refine_ls_R_factor_gt           0.0357
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w = 1/[\s^2^(Fo^2^)+(0.068P)^2^+0.2132P] where P = (Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0976
_refine_ls_wR_factor_ref         0.0998
_reflns_number_gt                1644
_reflns_number_total             1763
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            rz6074.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 

The following automatic conversions were performed:

'_exptl_crystal_density_meas' value 'none' was changed to '?' - the
value is perceived as not measured.

Automatic conversion script
Id: cif_fix_values 3008 2015-01-20 13:52:24Z robertas 
;
_cod_database_code               2206051
_cod_database_fobs_code          2206051