Probing the intermolecular interactions of aromatic amides containing N-heterocycles and triptycene
Cheng, Nongyi; Yan, Qifan; Liu, Shuai; Zhao, Dahui; CrystEngComm 16 (2014) 4265–; doi:10.1039/c4ce00089g

data_7215708
_publ_section_title
;
 Probing the intermolecular interactions of aromatic amides containing
 N-heterocycles and triptycene
;
_journal_issue                   20
_journal_name_full               CrystEngComm
_journal_page_first              4265
_journal_paper_doi               10.1039/c4ce00089g
_journal_volume                  16
_journal_year                    2014
_chemical_formula_moiety         'C20 H16 N2 O2'
_chemical_formula_sum            'C20 H16 N2 O2'
_chemical_formula_weight         316.35
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_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     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                90.00
_cell_angle_beta                 94.25(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            2
_cell_length_a                   18.047(4)
_cell_length_b                   5.2394(10)
_cell_length_c                   7.8799(16)
_cell_measurement_reflns_used    1502
_cell_measurement_temperature    173(2)
_cell_measurement_theta_max      68.22
_cell_measurement_theta_min      4.91
_cell_volume                     743.0(3)
_computing_cell_refinement       'Rapid Auto(Rigaku 2001)'
_computing_data_collection       'Rapid Auto(Rigaku 2001)'
_computing_data_reduction        'Rapid Auto(Rigaku 2001)'
_computing_molecular_graphics
;
 Mercury: visualization and analysis of crystal structures, C. F. Macrae,
 P. R. Edgington, P. McCabe, E. Pidcock, G. P. Shields, R. Taylor,
 M. Towler and J. van de Streek, J. Appl. Cryst., 39, 453-457, 2006.
;
_computing_publication_material  'SHELX-97 (Sheldrick, 2008)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      173(2)
_diffrn_measured_fraction_theta_full 0.988
_diffrn_measured_fraction_theta_max 0.988
_diffrn_measurement_device_type  'Rigaku raxis Rapid IP Area Detector'
_diffrn_measurement_method       '\w scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'rotating anode'
_diffrn_radiation_type           CuK\a
_diffrn_radiation_wavelength     1.54187
_diffrn_reflns_av_R_equivalents  0.0000
_diffrn_reflns_av_sigmaI/netI    0.0830
_diffrn_reflns_limit_h_max       21
_diffrn_reflns_limit_h_min       -21
_diffrn_reflns_limit_k_max       6
_diffrn_reflns_limit_k_min       -6
_diffrn_reflns_limit_l_max       9
_diffrn_reflns_limit_l_min       -9
_diffrn_reflns_number            1345
_diffrn_reflns_theta_full        68.22
_diffrn_reflns_theta_max         68.22
_diffrn_reflns_theta_min         4.91
_exptl_absorpt_coefficient_mu    0.744
_exptl_absorpt_correction_T_max  1.0000
_exptl_absorpt_correction_T_min  0.7210
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'ABSCOR by T. Higashi, March, 2001'
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.414
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       platelet
_exptl_crystal_F_000             332
_exptl_crystal_size_max          0.80
_exptl_crystal_size_mid          0.50
_exptl_crystal_size_min          0.08
_refine_diff_density_max         0.348
_refine_diff_density_min         -0.476
_refine_diff_density_rms         0.091
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.199
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     110
_refine_ls_number_reflns         1345
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.199
_refine_ls_R_factor_all          0.1104
_refine_ls_R_factor_gt           0.0931
_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^)+(0.0245P)^2^+1.1067P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1685
_refine_ls_wR_factor_ref         0.1756
_reflns_number_gt                1100
_reflns_number_total             1345
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c4ce00089g2.cif
_cod_data_source_block           a
_cod_original_cell_volume        743.1(3)
_cod_original_sg_symbol_H-M      P2(1)/c
_cod_database_code               7215708