Condensation of cyclohexanediones with pyrrole under acidic conditions: unusual products and interesting structural features
Mahanta, Sanjeev P.; Panda, Pradeepta K.; RSC Adv. 3 (2013) 6614–; doi:10.1039/C3RA40208H

data_7238951
_publ_section_title
;
 Condensation of cyclohexanediones with pyrrole under acidic conditions:
 unusual products and interesting structural features
;
_journal_issue                   18
_journal_name_full               'RSC Adv.'
_journal_page_first              6614
_journal_paper_doi               10.1039/C3RA40208H
_journal_volume                  3
_journal_year                    2013
_chemical_formula_sum            'C14 H16 N2 O'
_chemical_formula_weight         228.29
_space_group_IT_number           60
_space_group_name_Hall           '-P 2n 2ab'
_space_group_name_H-M_alt        'P b c n'
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_H-M   'P b c n'
_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                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            8
_cell_length_a                   16.4455(8)
_cell_length_b                   7.7792(3)
_cell_length_c                   18.8199(9)
_cell_measurement_reflns_used    1732
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      28.8505
_cell_measurement_theta_min      2.6977
_cell_volume                     2407.68(19)
_computing_cell_refinement       CrysAlisPro
_computing_data_collection       CrysAlisPro
_computing_data_reduction        CrysAlisPro
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 0.868
_diffrn_measured_fraction_theta_max 0.868
_diffrn_measurement_device_type  'Xcalibur, Eos, Gemini'
_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  0.0351
_diffrn_reflns_av_sigmaI/netI    0.0610
_diffrn_reflns_limit_h_max       12
_diffrn_reflns_limit_h_min       -22
_diffrn_reflns_limit_k_max       10
_diffrn_reflns_limit_k_min       -9
_diffrn_reflns_limit_l_max       25
_diffrn_reflns_limit_l_min       -12
_diffrn_reflns_number            6605
_diffrn_reflns_theta_full        28.92
_diffrn_reflns_theta_max         28.92
_diffrn_reflns_theta_min         2.90
_exptl_absorpt_coefficient_mu    0.081
_exptl_absorpt_correction_T_max  0.9912
_exptl_absorpt_correction_T_min  0.9888
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SCALE3 ABSPACK'
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.260
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             976
_exptl_crystal_size_max          0.14
_exptl_crystal_size_mid          0.12
_exptl_crystal_size_min          0.11
_refine_diff_density_max         0.131
_refine_diff_density_min         -0.182
_refine_diff_density_rms         0.039
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.002
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     162
_refine_ls_number_reflns         2766
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.002
_refine_ls_R_factor_all          0.1170
_refine_ls_R_factor_gt           0.0587
_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^)+(0.0460P)^2^+0.1422P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1060
_refine_ls_wR_factor_ref         0.1285
_reflns_number_gt                1568
_reflns_number_total             2766
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c3ra40208h.txt
_cod_data_source_block           sanjib_s2
_cod_depositor_comments
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The following automatic conversions were performed:

data item '_symmetry_cell_setting' value 'Orthorhombic' was changed
to 'orthorhombic' in accordance with the
/home/saulius/struct/COD-crude-data/automatic-downloads/DataCite-retrospective/RSC/depositions/lib/dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 last updated on
2011-04-26.

Automatic conversion script
Id: cif_fix_values 6909 2019-04-08 15:41:33Z antanas 
;
_cod_original_sg_symbol_H-M      'Pbcn '
_cod_database_code               7238951