Conformational Properties of Aromatic Oligoamides Bearing Pyrrole Rings.
Tojo, Yukiko; Urushibara, Ko; Yamamoto, Sawori; Mori, Hirotoshi; Masu, Hyuma; Kudo, Mayumi; Hirano, Tomoya; Azumaya, Isao; Kagechika, Hiroyuki; Tanatani, Aya; The Journal of organic chemistry 83 (2018) 4606–4617; doi:10.1021/acs.joc.8b00349

data_4034923
_publ_section_title
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 Conformational Properties of Aromatic Oligoamides Bearing Pyrrole Rings.
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_journal_issue                   8
_journal_name_full               'The Journal of organic chemistry'
_journal_page_first              4606
_journal_page_last               4617
_journal_paper_doi               10.1021/acs.joc.8b00349
_journal_volume                  83
_journal_year                    2018
_chemical_formula_sum            'C15 H16 N2 O3'
_chemical_formula_weight         272.30
_space_group_IT_number           61
_space_group_name_Hall           '-P 2ac 2ab'
_space_group_name_H-M_alt        'P b c a'
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_H-M   'P b c a'
_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                   10.6757(19)
_cell_length_b                   9.8486(17)
_cell_length_c                   27.386(5)
_cell_measurement_reflns_used    3284
_cell_measurement_temperature    120
_cell_measurement_theta_max      26.76
_cell_measurement_theta_min      2.42
_cell_volume                     2879.4(9)
_computing_cell_refinement       'APEX2 (Bruker AXS, 2006)'
_computing_data_collection       'APEX2 (Bruker AXS, 2006)'
_computing_data_reduction        'SAINT (Bruker AXS, 2004)'
_computing_molecular_graphics    'XSHEL (Bruker AXS,2002)'
_computing_publication_material  'XCIF (Bruker AXS, 2001)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      120
_diffrn_detector_area_resol_mean 8.333
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 0.931
_diffrn_measurement_device_type  'Bruker APEXII CCD area detector'
_diffrn_measurement_method       'phi and omega scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0319
_diffrn_reflns_av_sigmaI/netI    0.0299
_diffrn_reflns_limit_h_max       13
_diffrn_reflns_limit_h_min       -13
_diffrn_reflns_limit_k_max       12
_diffrn_reflns_limit_k_min       -9
_diffrn_reflns_limit_l_max       29
_diffrn_reflns_limit_l_min       -33
_diffrn_reflns_number            12877
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         27.11
_diffrn_reflns_theta_min         2.42
_exptl_absorpt_coefficient_mu    0.089
_exptl_absorpt_correction_T_max  0.9912
_exptl_absorpt_correction_T_min  0.9654
_exptl_absorpt_correction_type   empirical
_exptl_absorpt_process_details
;
SADABS Sheldrick 1996
;
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.256
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             1152
_exptl_crystal_size_max          0.40
_exptl_crystal_size_mid          0.20
_exptl_crystal_size_min          0.10
_refine_diff_density_max         0.186
_refine_diff_density_min         -0.291
_refine_diff_density_rms         0.044
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.056
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     187
_refine_ls_number_reflns         2966
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.056
_refine_ls_R_factor_all          0.0663
_refine_ls_R_factor_gt           0.0416
_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^)+(0.0446P)^2^+1.1378P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0942
_refine_ls_wR_factor_ref         0.1061
_reflns_number_gt                2142
_reflns_number_total             2966
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            jo8b00349_si_004.cif
_cod_data_source_block           compound_4
_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/data/users/saulius/crontab/automatic-downloads/current/ACS/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      'Pbca '
_cod_database_code               4034923