Hydrogen-bonding patterns in six derivatives of 2,4-dimethylpyrrole
Senge, Mathias O.; Smith, Kevin M.; Acta Crystallographica Section C 61 (2005) o537–o541; doi:10.1107/S0108270105023991

data_2014988
_publ_section_title
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 Hydrogen-bonding patterns in six derivatives of 2,4-dimethylpyrrole
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_journal_coeditor_code           FG1869
_journal_issue                   9
_journal_name_full               'Acta Crystallographica Section C'
_journal_page_first              o537
_journal_page_last               o541
_journal_paper_doi               10.1107/S0108270105023991
_journal_volume                  61
_journal_year                    2005
_chemical_formula_iupac          'C10 H15 N O'
_chemical_formula_moiety         'C10 H15 N O'
_chemical_formula_sum            'C10 H15 N O'
_chemical_formula_weight         165.23
_chemical_name_systematic
;
4-ethyl-3,5-dimethylpyrrole-2-carbaldehyde
;
_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                 99.83(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            8
_cell_length_a                   28.513(12)
_cell_length_b                   9.007(5)
_cell_length_c                   7.471(3)
_cell_measurement_reflns_used    42
_cell_measurement_temperature    130(2)
_cell_measurement_theta_max      24
_cell_measurement_theta_min      18
_cell_volume                     1890.5(15)
_computing_cell_refinement       P3
_computing_data_collection       'P3 (Siemens, 1995)'
_computing_data_reduction        'XDISK (Siemens, 1995)'
_computing_molecular_graphics    'XP (Siemens, 1995)'
_computing_publication_material
;
SHELXL97 and Platon (Spek, 2003)
;
_computing_structure_refinement  'SHELXL97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      130(2)
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device_type  'Siemens R3m/V'
_diffrn_measurement_method       '\w scans'
_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  0.0406
_diffrn_reflns_av_sigmaI/netI    0.0620
_diffrn_reflns_limit_h_max       36
_diffrn_reflns_limit_h_min       -36
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_diffrn_reflns_limit_k_min       0
_diffrn_reflns_limit_l_max       9
_diffrn_reflns_limit_l_min       0
_diffrn_reflns_number            2493
_diffrn_reflns_theta_full        27.50
_diffrn_reflns_theta_max         27.50
_diffrn_reflns_theta_min         2.37
_diffrn_standards_decay_%        0
_diffrn_standards_interval_count 198
_diffrn_standards_number         2
_exptl_absorpt_coefficient_mu    0.075
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.161
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             720
_exptl_crystal_size_max          0.55
_exptl_crystal_size_mid          0.41
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_refine_ls_extinction_method     none
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_refine_ls_matrix_type           full
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_refine_ls_R_factor_all          0.1073
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_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^)+(0.0777P)^2^+0.1515P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1483
_refine_ls_wR_factor_ref         0.1742
_reflns_number_gt                1343
_reflns_number_total             2174
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            fg1869.cif
_cod_data_source_block           1
_cod_depositor_comments
;
The following automatic conversions were performed:
'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
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 'Monoclinic' changed to 'monoclinic'
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 
;
_cod_original_sg_symbol_H-M      'C 2/c'
_cod_database_code               2014988
_cod_database_fobs_code          2014988