Structure and Mechanism Revision of a Catalyzed Cyclization of Benzaldehyde Bearing Alkyne-Nitrile.
Šafář, Peter; Marchalín, Štefan; Šoral, Michal; Moncol, Ján; Daïch, Adam; Organic letters 19 (2017) 4742–4745; doi:10.1021/acs.orglett.7b01881

data_1546962
_publ_section_title
;
 Structure and Mechanism Revision of a Catalyzed Cyclization of
 Benzaldehyde Bearing Alkyne-Nitrile.
;
_journal_issue                   18
_journal_name_full               'Organic letters'
_journal_page_first              4742
_journal_page_last               4745
_journal_paper_doi               10.1021/acs.orglett.7b01881
_journal_volume                  19
_journal_year                    2017
_chemical_formula_moiety         'C13 H13 N O'
_chemical_formula_sum            'C13 H13 N O'
_chemical_formula_weight         199.24
_space_group_crystal_system      monoclinic
_space_group_IT_number           14
_space_group_name_Hall           '-P 2ybc'
_space_group_name_H-M_alt        'P 1 21/c 1'
_symmetry_space_group_name_Hall  '-P 2ybc'
_symmetry_space_group_name_H-M   'P 1 21/c 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     dual
_audit_creation_date             2017-03-14
_audit_creation_method
;
Olex2 1.2
(compiled 2017.03.02 svn.r3394 for OlexSys, GUI svn.r5324)
;
_cell_angle_alpha                90
_cell_angle_beta                 97.141(4)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   19.0876(9)
_cell_length_b                   6.1438(4)
_cell_length_c                   8.6807(4)
_cell_measurement_reflns_used    12639
_cell_measurement_temperature    100
_cell_measurement_theta_max      72.10
_cell_measurement_theta_min      2.33
_cell_volume                     1010.09(9)
_computing_cell_refinement       'STOE X-AREA'
_computing_data_collection       'STOE X-AREA'
_computing_data_reduction        'STOE X-RED'
_computing_molecular_graphics    'Olex2 (Dolomanov et al., 2009)'
_computing_publication_material  'Olex2 (Dolomanov et al., 2009)'
_computing_structure_refinement  'ShelXL (Sheldrick, 2015)'
_computing_structure_solution    'ShelXT (Sheldrick, 2015)'
_diffrn_ambient_temperature      100
_diffrn_detector                 Pilatus300K
_diffrn_detector_area_resol_mean 5.81
_diffrn_detector_type            STOE
_diffrn_measured_fraction_theta_full 0.989
_diffrn_measured_fraction_theta_max 0.972
_diffrn_measurement_details
;
 5070 frames, detector distance = 40 mm
;
_diffrn_measurement_device_type  'Stoe StadiVari'
_diffrn_measurement_method       '\w scans'
_diffrn_radiation_collimation    '0.6 mm diameter'
_diffrn_radiation_monochromator  'Graded multilayer mirror'
_diffrn_radiation_polarisn_norm  270
_diffrn_radiation_type           CuK\a
_diffrn_radiation_wavelength     1.54186
_diffrn_reflns_av_R_equivalents  0.0399
_diffrn_reflns_av_unetI/netI     0.0250
_diffrn_reflns_Laue_measured_fraction_full 0.989
_diffrn_reflns_Laue_measured_fraction_max 0.972
_diffrn_reflns_limit_h_max       20
_diffrn_reflns_limit_h_min       -23
_diffrn_reflns_limit_k_max       7
_diffrn_reflns_limit_k_min       -6
_diffrn_reflns_limit_l_max       6
_diffrn_reflns_limit_l_min       -10
_diffrn_reflns_number            10655
_diffrn_reflns_point_group_measured_fraction_full 0.989
_diffrn_reflns_point_group_measured_fraction_max 0.972
_diffrn_reflns_theta_full        67.686
_diffrn_reflns_theta_max         71.518
_diffrn_reflns_theta_min         2.333
_diffrn_source                   'Genix3D Cu HF'
_diffrn_source_current           0.600
_diffrn_source_power             0.030
_diffrn_source_voltage           50
_exptl_absorpt_coefficient_mu    0.655
_exptl_absorpt_correction_T_max  0.846
_exptl_absorpt_correction_T_min  0.841
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   X-AREA
_exptl_crystal_colour            colourless
_exptl_crystal_colour_primary    colourless
_exptl_crystal_density_diffrn    1.310
_exptl_crystal_description       block
_exptl_crystal_F_000             424
_exptl_crystal_size_max          0.23
_exptl_crystal_size_mid          0.16
_exptl_crystal_size_min          0.08
_refine_diff_density_max         0.276
_refine_diff_density_min         -0.313
_refine_diff_density_rms         0.069
_refine_ls_extinction_coef       0.0089(16)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     'SHELXL-2016/6 (Sheldrick 2016)'
_refine_ls_goodness_of_fit_ref   1.086
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     137
_refine_ls_number_reflns         1923
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.086
_refine_ls_R_factor_all          0.0674
_refine_ls_R_factor_gt           0.0537
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0926P)^2^+0.5939P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1502
_refine_ls_wR_factor_ref         0.1805
_reflns_Friedel_coverage         0.000
_reflns_number_gt                1504
_reflns_number_total             1923
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            ol7b01881_si_002.cif
_cod_data_source_block           6
_cod_depositor_comments
'Adding full bibliography for 1546961--1546963.cif.'
_cod_database_code               1546962
_shelx_shelxl_version_number     2016/6
_shelx_estimated_absorpt_t_max   0.949
_shelx_estimated_absorpt_t_min   0.864
_olex2_refinement_description
;
1. Fixed Uiso
 At 1.2 times of:
  All C(H) groups, All C(H,H) groups
2.a Secondary CH2 refined with riding coordinates:
 C2(H2A,H2B), C3(H3A,H3B), C4(H4A,H4B), C13(H13A,H13B)
2.b Aromatic/amide H refined with riding coordinates:
 C6(H6), C8(H8), C9(H9), C10(H10), C11(H11)
;
_olex2_submission_special_instructions 'No special instructions were received'