Neutral Pyrrole Nitrogen Atom as a π- and Mixed n,π-Donor in Hydrogen Bonding.
Pozharskii, Alexander F.; Ozeryanskii, Valery A.; Filatova, Ekaterina A.; Dyablo, Olga V.; Pogosova, Olga G.; Borodkin, Gennady S.; Filarowski, Aleksander; Steglenko, Dmitriy V.; The Journal of organic chemistry 84 (2019) 726–737; doi:10.1021/acs.joc.8b02562

data_4035957
_publ_section_title
;
 Neutral Pyrrole Nitrogen Atom as a \p- and Mixed n,\p-Donor in Hydrogen
 Bonding.
;
_journal_issue                   2
_journal_name_full               'The Journal of organic chemistry'
_journal_page_first              726
_journal_page_last               737
_journal_paper_doi               10.1021/acs.joc.8b02562
_journal_volume                  84
_journal_year                    2019
_chemical_formula_moiety         'C16 H17 N2, C6 H2 N3 O7'
_chemical_formula_sum            'C22 H19 N5 O7'
_chemical_formula_weight         465.42
_space_group_IT_number           2
_space_group_name_Hall           '-P 1'
_space_group_name_H-M_alt        'P -1'
_symmetry_cell_setting           triclinic
_symmetry_space_group_name_Hall  '-P 1'
_symmetry_space_group_name_H-M   'P -1'
_atom_sites_solution_hydrogens   mixed
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                80.220(3)
_cell_angle_beta                 89.344(3)
_cell_angle_gamma                77.052(3)
_cell_formula_units_Z            4
_cell_length_a                   9.1735(14)
_cell_length_b                   13.378(2)
_cell_length_c                   19.632(3)
_cell_measurement_reflns_used    568
_cell_measurement_temperature    120(2)
_cell_measurement_theta_max      28
_cell_measurement_theta_min      3
_cell_volume                     2313.0(6)
_computing_cell_refinement       'Bruker SAINT'
_computing_data_collection       'Bruker APEX II'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      120(2)
_diffrn_measured_fraction_theta_full 0.995
_diffrn_measured_fraction_theta_max 0.995
_diffrn_measurement_device_type  'Bruker APEX II CCD area detector'
_diffrn_measurement_method       'omega 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  0.0000
_diffrn_reflns_av_sigmaI/netI    0.1462
_diffrn_reflns_limit_h_max       12
_diffrn_reflns_limit_h_min       -12
_diffrn_reflns_limit_k_max       17
_diffrn_reflns_limit_k_min       -17
_diffrn_reflns_limit_l_max       25
_diffrn_reflns_limit_l_min       0
_diffrn_reflns_number            11108
_diffrn_reflns_theta_full        28.00
_diffrn_reflns_theta_max         28.00
_diffrn_reflns_theta_min         2.47
_exptl_absorpt_coefficient_mu    0.102
_exptl_absorpt_correction_T_max  0.813373
_exptl_absorpt_correction_T_min  0.796373
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   SADABS
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.337
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             968
_exptl_crystal_size_max          0.410
_exptl_crystal_size_mid          0.330
_exptl_crystal_size_min          0.200
_refine_diff_density_max         0.405
_refine_diff_density_min         -0.576
_refine_diff_density_rms         0.072
_refine_ls_extinction_method     none
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_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     632
_refine_ls_number_reflns         11108
_refine_ls_number_restraints     9
_refine_ls_restrained_S_all      1.022
_refine_ls_R_factor_all          0.1779
_refine_ls_R_factor_gt           0.0811
_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^)+(0.0541P)^2^+1.5000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1711
_refine_ls_wR_factor_ref         0.1922
_reflns_number_gt                4900
_reflns_number_total             11108
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            jo8b02562_si_006.cif
_cod_data_source_block           p-sr
_cod_depositor_comments
;
The following automatic conversions were performed:

data item '_symmetry_cell_setting' value 'Triclinic' was changed to
'triclinic' 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_cell_volume        2313.1(6)
_cod_database_code               4035957