Crystal structures of three homologues with increasing ring size: 2-meth-oxy-4-(thio-phen-2-yl)-5,6,7,8-tetra-hydro-quinoline-3-carbo-nitrile, 2-meth-oxy-4-(thio-phen-2-yl)-6,7,8,9-tetra-hydro-5<i>H</i>-cyclo-hepta-[<i>b</i>]pyridine-3-carbo-nitrile and 2-meth-oxy-4-(thio-phen-2-yl)-5,6,7,8,9,10-hexa-hydrocyclo-octa[<i>b</i>]pyridine-3-carbo-nitrile.
Hebishy, Ali M. S.; Elgemeie, Galal H.; Gouda, Lobna M.; Jones, Peter G.; Acta crystallographica. Section E, Crystallographic communications 79 (2023) 335–340; doi:10.1107/S2056989023001883

data_2244243
_publ_section_title
;
 Crystal structures of three homologues with increasing ring size:
 2-meth-oxy-4-(thio-phen-2-yl)-5,6,7,8-tetra-hydro-quinoline-3-carbo-nitrile,
 2-meth-oxy-4-(thio-phen-2-yl)-6,7,8,9-tetra-hydro-5<i>H</i>-cyclo-hepta-[<i>b</i>]pyridine-3-carbo-nitrile
 and
 2-meth-oxy-4-(thio-phen-2-yl)-5,6,7,8,9,10-hexa-hydrocyclo-octa[<i>b</i>]pyridine-3-carbo-nitrile.
;
_journal_coeditor_code           YZ2030
_journal_issue                   'Pt 4'
_journal_name_full
'Acta crystallographica. Section E, Crystallographic communications'
_journal_page_first              335
_journal_page_last               340
_journal_paper_doi               10.1107/S2056989023001883
_journal_volume                  79
_journal_year                    2023
_chemical_formula_iupac          'C16 H16 N2 O S'
_chemical_formula_moiety         'C16 H16 N2 O S'
_chemical_formula_sum            'C16 H16 N2 O S'
_chemical_formula_weight         284.37
_chemical_name_systematic
2-Methoxy-4-(thiophen-2-yl)-6,7,8,9-tetrahydro-5<i>H</i>-cyclohepta[<i>b</i>]pyridine-3-carbonitrile
_space_group_crystal_system      monoclinic
_space_group_IT_number           14
_space_group_name_Hall           '-P 2yn'
_space_group_name_H-M_alt        'P 1 21/n 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     dual
_audit_creation_method           SHELXL-2018/3
_cell_angle_alpha                90
_cell_angle_beta                 99.9254(18)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   8.68561(17)
_cell_length_b                   13.7435(2)
_cell_length_c                   12.0379(2)
_cell_measurement_reflns_used    45134
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      76.6650
_cell_measurement_theta_min      4.9170
_cell_volume                     1415.47(4)
_computing_cell_refinement
;
CrysAlisPro 1.171.42.57a (Rigaku OD, 2022)
;
_computing_data_collection
;
CrysAlisPro 1.171.42.57a (Rigaku OD, 2022)
;
_computing_data_reduction
;
CrysAlisPro 1.171.42.57a (Rigaku OD, 2022)
;
_computing_molecular_graphics
;
XP (Siemens, 1994)
;
_computing_publication_material
;
<i>SHELXL2018/3</i> (Sheldrick, 2015b)
;
_computing_structure_refinement
;
<i>SHELXL2018/3</i> (Sheldrick, 2015b)
;
_computing_structure_solution
;
<i>SHELXT</i> (Sheldrick, 2015a)
;
_diffrn_ambient_temperature      100(2)
_diffrn_detector_area_resol_mean 10.0000
_diffrn_measured_fraction_theta_full 0.993
_diffrn_measured_fraction_theta_max 0.986
_diffrn_measurement_device       'four-circle diffractometer'
_diffrn_measurement_device_type  'XtaLAB Synergy'
_diffrn_measurement_method       '\w scans'
_diffrn_radiation_monochromator  mirror
_diffrn_radiation_probe          x-ray
_diffrn_radiation_type           'Cu K\a'
_diffrn_radiation_wavelength     1.54184
_diffrn_reflns_av_unetI/netI     0.0058
_diffrn_reflns_limit_h_max       10
_diffrn_reflns_limit_h_min       -10
_diffrn_reflns_limit_k_max       17
_diffrn_reflns_limit_k_min       -17
_diffrn_reflns_limit_l_max       15
_diffrn_reflns_limit_l_min       -15
_diffrn_reflns_number            5190
_diffrn_reflns_theta_full        77.000
_diffrn_reflns_theta_max         77.865
_diffrn_reflns_theta_min         4.926
_diffrn_source                   'micro-focus sealed X-ray tube'
_exptl_absorpt_coefficient_mu    1.998
_exptl_absorpt_correction_T_max  1.00000
_exptl_absorpt_correction_T_min  0.83536
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
(CrysAlisPro; Rigaku OD, 2022)
;
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.334
_exptl_crystal_description       plate
_exptl_crystal_F_000             600
_exptl_crystal_size_max          0.15
_exptl_crystal_size_mid          0.08
_exptl_crystal_size_min          0.03
_refine_diff_density_max         0.202
_refine_diff_density_min         -0.326
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.071
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     204
_refine_ls_number_reflns         5190
_refine_ls_number_restraints     51
_refine_ls_restrained_S_all      1.075
_refine_ls_R_factor_all          0.0294
_refine_ls_R_factor_gt           0.0285
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0429P)^2^+0.2180P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0758
_refine_ls_wR_factor_ref         0.0765
_reflns_number_gt                4977
_reflns_number_total             5190
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            yz2030sup1.cif
_cod_data_source_block           1b
_cod_depositor_comments
'Adding full bibliography for 2244242--2244244.cif.'
_cod_original_cell_volume        1415.47(5)
_cod_original_sg_symbol_H-M      'P 21/n'
_cod_database_code               2244243
_cod_database_fobs_code          2244243
_shelx_estimated_absorpt_t_min   0.754
_shelx_estimated_absorpt_t_max   0.943
_shelx_hkl_checksum              2463
_shelx_res_checksum              61417