The effect of Cl···π interactions on the conformations of 4-chloro-5-(2-phenoxyethoxy)phthalonitrile and 4-chloro-5-[2-(pentafluorophenoxy)ethoxy]phthalonitrile
Hori, Akiko; Inoue, Yuta; Yuge, Hidetaka; Acta Crystallographica Section C 67 (2011) o154–o156; doi:10.1107/S0108270111008675

data_2018061
_publ_section_title
;
 The effect of Cl&#x00B7;&#x00B7;&#x00B7;\p interactions on the
 conformations of 4-chloro-5-(2-phenoxyethoxy)phthalonitrile and
 4-chloro-5-[2-(pentafluorophenoxy)ethoxy]phthalonitrile
;
_journal_coeditor_code           GD3379
_journal_issue                   5
_journal_name_full               'Acta Crystallographica Section C'
_journal_page_first              o154
_journal_page_last               o156
_journal_paper_doi               10.1107/S0108270111008675
_journal_volume                  67
_journal_year                    2011
_chemical_formula_iupac          'C16 H11 Cl N2 O2'
_chemical_formula_moiety         'C16 H11 Cl N2 O2'
_chemical_formula_sum            'C16 H11 Cl N2 O2'
_chemical_formula_weight         298.72
_chemical_name_common
;
4-Chloro-5-(2-phenoxyethoxy)phthalonitrile
;
_chemical_name_systematic
;
4-Chloro-5-(2-phenoxyethoxy)benzene-1,2-dicarbonitrile
;
_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
_cell_angle_alpha                90.00
_cell_angle_beta                 93.259(4)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   9.808(4)
_cell_length_b                   6.555(3)
_cell_length_c                   22.018(9)
_cell_measurement_reflns_used    5581
_cell_measurement_temperature    100
_cell_measurement_theta_max      27.85
_cell_measurement_theta_min      2.71
_cell_volume                     1413.3(10)
_computing_cell_refinement       'SAINT (Bruker, 2006)'
_computing_data_collection       'APEX2 (Bruker, 2006)'
_computing_data_reduction        'SAINT (Bruker, 2006)'
_computing_molecular_graphics    'SHELXTL (Sheldrick, 2008)'
_computing_publication_material  'SHELXTL (Sheldrick, 2008)'
_computing_structure_refinement  'SHELXL97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      100
_diffrn_detector_area_resol_mean 8.333
_diffrn_measured_fraction_theta_full 0.994
_diffrn_measured_fraction_theta_max 0.994
_diffrn_measurement_device_type  'Bruker APEXII CCD'
_diffrn_measurement_method       '\f and \w'
_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  0.0291
_diffrn_reflns_av_sigmaI/netI    0.0228
_diffrn_reflns_limit_h_max       12
_diffrn_reflns_limit_h_min       -12
_diffrn_reflns_limit_k_max       8
_diffrn_reflns_limit_k_min       -8
_diffrn_reflns_limit_l_max       28
_diffrn_reflns_limit_l_min       -28
_diffrn_reflns_number            15329
_diffrn_reflns_theta_full        27.47
_diffrn_reflns_theta_max         27.47
_diffrn_reflns_theta_min         2.71
_exptl_absorpt_coefficient_mu    0.275
_exptl_absorpt_correction_T_max  0.9730
_exptl_absorpt_correction_T_min  0.9470
_exptl_absorpt_correction_type   empirical
_exptl_absorpt_process_details   '(SADABS; Sheldrick, 1996)'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.404
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prismatic
_exptl_crystal_F_000             616
_exptl_crystal_size_max          0.20
_exptl_crystal_size_mid          0.10
_exptl_crystal_size_min          0.10
_refine_diff_density_max         0.460
_refine_diff_density_min         -0.557
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.043
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     190
_refine_ls_number_reflns         3228
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.043
_refine_ls_R_factor_all          0.0430
_refine_ls_R_factor_gt           0.0345
_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^)+(0.0367P)^2^+0.8106P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0821
_refine_ls_wR_factor_ref         0.0874
_reflns_number_gt                2744
_reflns_number_total             3228
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            gd3379.cif
_cod_data_source_block           I
_cod_original_cell_volume        1413.2(10)
_cod_original_sg_symbol_H-M      'P 21/c'
_cod_database_code               2018061
_cod_database_fobs_code          2018061