#------------------------------------------------------------------------------
#$Date: 2017-10-13 03:48:21 +0300 (Fri, 13 Oct 2017) $
#$Revision: 201957 $
#$URL: file:///home/coder/svn-repositories/cod/cif/2/01/60/2016093.cif $
#------------------------------------------------------------------------------
#
# This file is available in the Crystallography Open Database (COD),
# http://www.crystallography.net/. The original data for this entry
# were provided by IUCr Journals, http://journals.iucr.org/.
#
# The file may be used within the scientific community so long as
# proper attribution is given to the journal article from which the
# data were obtained.
#
data_2016093
loop_
_publ_author_name
'Jones, Peter G.'
'Dix, Ina'
'Hopf, Henning'
_publ_section_title
;
 C---H···π interactions in five
 ethynyl-substituted [2.2]paracyclophanes: further examples of the
 `7,11' packing pattern
;
_journal_coeditor_code           GD3118
_journal_issue                   8
_journal_name_full               'Acta Crystallographica Section C'
_journal_page_first              o468
_journal_page_last               o473
_journal_paper_doi               10.1107/S0108270107027606
_journal_volume                  63
_journal_year                    2007
_chemical_formula_iupac          'C18 H16'
_chemical_formula_moiety         'C18 H16'
_chemical_formula_sum            'C18 H16'
_chemical_formula_weight         232.31
_chemical_name_systematic
;
4-Ethynyl[2.2]paracyclophane
;
_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           SHELXL97
_cell_angle_alpha                90.00
_cell_angle_beta                 99.561(16)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   7.6538(14)
_cell_length_b                   11.022(2)
_cell_length_c                   15.056(3)
_cell_measurement_reflns_used    62
_cell_measurement_temperature    173(2)
_cell_measurement_theta_max      12.4
_cell_measurement_theta_min      3.7
_cell_volume                     1252.5(4)
_computing_cell_refinement       XSCANS
_computing_data_collection       'XSCANS (Siemens, 1991)'
_computing_data_reduction        XSCANS
_computing_molecular_graphics    'XP (Siemens, 1994)'
_computing_publication_material  SHELXL97
_computing_structure_refinement  'SHELXL97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      173(2)
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device_type  'Siemens P4'
_diffrn_measurement_method       ω
_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  0.0241
_diffrn_reflns_av_sigmaI/netI    0.0655
_diffrn_reflns_limit_h_max       9
_diffrn_reflns_limit_h_min       0
_diffrn_reflns_limit_k_max       5
_diffrn_reflns_limit_k_min       -13
_diffrn_reflns_limit_l_max       17
_diffrn_reflns_limit_l_min       -17
_diffrn_reflns_number            3461
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         25.00
_diffrn_reflns_theta_min         3.27
_diffrn_standards_decay_%        0
_diffrn_standards_interval_count 247
_diffrn_standards_number         3
_exptl_absorpt_coefficient_mu    0.069
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.232
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       tablet
_exptl_crystal_F_000             496
_exptl_crystal_size_max          0.6
_exptl_crystal_size_mid          0.3
_exptl_crystal_size_min          0.18
_refine_diff_density_max         0.192
_refine_diff_density_min         -0.171
_refine_ls_extinction_coef       0.010(2)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc²λ³/sin(2θ)]^-1/4^
_refine_ls_extinction_method     'SHELXL97 (Sheldrick, 1997)'
_refine_ls_goodness_of_fit_ref   0.864
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     168
_refine_ls_number_reflns         2191
_refine_ls_number_restraints     167
_refine_ls_restrained_S_all      0.832
_refine_ls_R_factor_all          0.0849
_refine_ls_R_factor_gt           0.0418
_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/[σ²(Fo²)+(0.0531P)²] where P=(Fo²+2Fc²)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0912
_refine_ls_wR_factor_ref         0.1030
_reflns_number_gt                1267
_reflns_number_total             2191
_reflns_threshold_expression     I>2σ(I)
_cod_data_source_file            gd3118.cif
_cod_data_source_block           I
_cod_original_cell_volume        1252.4(4)
_cod_original_sg_symbol_H-M      'P 21/c'
_cod_database_code               2016093
_cod_database_fobs_code          2016093
loop_
_symmetry_equiv_pos_as_xyz
'x, y, z'
'-x, y+1/2, -z+1/2'
'-x, -y, -z'
'x, -y-1/2, z-1/2'
loop_
_atom_site_type_symbol
_atom_site_label
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
_atom_site_U_iso_or_equiv
_atom_site_adp_type
_atom_site_calc_flag
_atom_site_refinement_flags
_atom_site_occupancy
C C1 0.3240(3) 0.3294(2) 0.07414(14) 0.0463(6) Uani d U 1
H H1A 0.2652 0.3761 0.0213 0.056 Uiso calc R 1
H H1B 0.3585 0.2495 0.0525 0.056 Uiso calc R 1
C C2 0.4959(2) 0.3996(2) 0.11990(13) 0.0360(5) Uani d U 1
H H2A 0.5941 0.3408 0.1352 0.043 Uiso calc R 1
H H2B 0.5307 0.4582 0.0762 0.043 Uiso calc R 1
C C3 0.4704(2) 0.46641(18) 0.20368(13) 0.0283(5) Uani d U 1
C C4 0.3583(2) 0.56743(17) 0.20060(13) 0.0275(5) Uani d U 1
C C5 0.2775(2) 0.59538(18) 0.27469(12) 0.0302(5) Uani d U 1
H H5 0.1993 0.6628 0.2714 0.036 Uiso calc R 1
C C6 0.3091(2) 0.52675(19) 0.35289(13) 0.0297(5) Uani d U 1
C C7 0.4514(2) 0.44587(19) 0.36174(12) 0.0304(5) Uani d U 1
H H7 0.4948 0.4109 0.4188 0.036 Uiso calc R 1
C C8 0.5296(2) 0.41630(18) 0.28807(13) 0.0299(5) Uani d U 1
H H8 0.6257 0.3607 0.2953 0.036 Uiso calc R 1
C C9 0.1697(2) 0.5179(2) 0.41273(13) 0.0402(6) Uani d U 1
H H9A 0.0995 0.5937 0.4076 0.048 Uiso calc R 1
H H9B 0.2287 0.5097 0.4761 0.048 Uiso calc R 1
C C10 0.0411(3) 0.4069(2) 0.38758(15) 0.0473(6) Uani d U 1
H H10A 0.0685 0.3438 0.4346 0.057 Uiso calc R 1
H H10B -0.0823 0.4341 0.3872 0.057 Uiso calc R 1
C C11 0.0544(2) 0.3517(2) 0.29722(14) 0.0351(5) Uani d U 1
C C12 0.1664(3) 0.25412(19) 0.29033(14) 0.0383(5) Uani d U 1
H H12 0.1968 0.2008 0.3401 0.046 Uiso calc R 1
C C13 0.2342(2) 0.2335(2) 0.21217(14) 0.0371(5) Uani d U 1
H H13 0.3090 0.1655 0.2086 0.045 Uiso calc R 1
C C14 0.1946(2) 0.3106(2) 0.13905(13) 0.0343(5) Uani d U 1
C C15 0.0537(2) 0.39093(19) 0.13934(13) 0.0354(5) Uani d U 1
H H15 0.0050 0.4325 0.0856 0.042 Uiso calc R 1
C C16 -0.0156(2) 0.41044(19) 0.21755(13) 0.0347(5) Uani d U 1
H H16 -0.1123 0.4647 0.2167 0.042 Uiso calc R 1
C C17 0.3047(2) 0.63154(19) 0.11716(14) 0.0333(5) Uani d U 1
C C18 0.2613(3) 0.6839(2) 0.04844(15) 0.0422(6) Uani d U 1
H H18 0.225(3) 0.727(2) -0.0080(14) 0.055(7) Uiso d . 1
loop_
_atom_type_symbol
_atom_type_description
_atom_type_scat_dispersion_real
_atom_type_scat_dispersion_imag
_atom_type_scat_source
C C 0.0033 0.0016 'International Tables Vol C Tables 4.2.6.8 and 6.1.1.4'
H H 0.0000 0.0000 'International Tables Vol C Tables 4.2.6.8 and 6.1.1.4'
loop_
_geom_angle_atom_site_label_1
_geom_angle_atom_site_label_2
_geom_angle_atom_site_label_3
_geom_angle
C14 C1 C2 111.79(16)
C14 C1 H1A 109.3
C2 C1 H1A 109.3
C14 C1 H1B 109.3
C2 C1 H1B 109.3
H1A C1 H1B 107.9
C3 C2 C1 112.98(15)
C3 C2 H2A 109.0
C1 C2 H2A 109.0
C3 C2 H2B 109.0
C1 C2 H2B 109.0
H2A C2 H2B 107.8
C8 C3 C4 116.79(18)
C8 C3 C2 120.30(19)
C4 C3 C2 121.77(17)
C5 C4 C3 119.90(18)
C5 C4 C17 119.22(18)
C3 C4 C17 120.19(18)
C6 C5 C4 121.32(18)
C6 C5 H5 119.3
C4 C5 H5 119.3
C5 C6 C7 116.91(18)
C5 C6 C9 120.10(17)
C7 C6 C9 121.25(18)
C8 C7 C6 120.54(18)
C8 C7 H7 119.7
C6 C7 H7 119.7
C7 C8 C3 121.33(18)
C7 C8 H8 119.3
C3 C8 H8 119.3
C6 C9 C10 112.45(16)
C6 C9 H9A 109.1
C10 C9 H9A 109.1
C6 C9 H9B 109.1
C10 C9 H9B 109.1
H9A C9 H9B 107.8
C11 C10 C9 113.36(16)
C11 C10 H10A 108.9
C9 C10 H10A 108.9
C11 C10 H10B 108.9
C9 C10 H10B 108.9
H10A C10 H10B 107.7
C16 C11 C12 116.7(2)
C16 C11 C10 121.1(2)
C12 C11 C10 120.91(19)
C13 C12 C11 121.0(2)
C13 C12 H12 119.5
C11 C12 H12 119.5
C12 C13 C14 120.8(2)
C12 C13 H13 119.6
C14 C13 H13 119.6
C13 C14 C15 117.03(19)
C13 C14 C1 121.05(19)
C15 C14 C1 120.2(2)
C16 C15 C14 120.40(19)
C16 C15 H15 119.8
C14 C15 H15 119.8
C15 C16 C11 120.93(19)
C15 C16 H16 119.5
C11 C16 H16 119.5
C18 C17 C4 179.6(2)
C17 C18 H18 179.9(15)
loop_
_geom_bond_atom_site_label_1
_geom_bond_atom_site_label_2
_geom_bond_distance
C1 C14 1.517(3)
C1 C2 1.582(3)
C1 H1A 0.9900
C1 H1B 0.9900
C2 C3 1.501(3)
C2 H2A 0.9900
C2 H2B 0.9900
C3 C8 1.391(2)
C3 C4 1.401(3)
C4 C5 1.397(3)
C4 C17 1.440(3)
C5 C6 1.386(3)
C5 H5 0.9500
C6 C7 1.397(3)
C6 C9 1.509(3)
C7 C8 1.384(3)
C7 H7 0.9500
C8 H8 0.9500
C9 C10 1.576(3)
C9 H9A 0.9900
C9 H9B 0.9900
C10 C11 1.509(3)
C10 H10A 0.9900
C10 H10B 0.9900
C11 C16 1.390(3)
C11 C12 1.390(3)
C12 C13 1.382(3)
C12 H12 0.9500
C13 C14 1.384(3)
C13 H13 0.9500
C14 C15 1.396(3)
C15 C16 1.386(3)
C15 H15 0.9500
C16 H16 0.9500
C17 C18 1.183(3)
C18 H18 0.97(2)
loop_
_geom_torsion_atom_site_label_1
_geom_torsion_atom_site_label_2
_geom_torsion_atom_site_label_3
_geom_torsion_atom_site_label_4
_geom_torsion
C14 C1 C2 C3 -18.7(3)
C1 C2 C3 C8 99.3(2)
C1 C2 C3 C4 -68.1(2)
C8 C3 C4 C5 -15.3(3)
C2 C3 C4 C5 152.46(18)
C8 C3 C4 C17 174.15(17)
C2 C3 C4 C17 -18.0(3)
C3 C4 C5 C6 1.7(3)
C17 C4 C5 C6 172.24(17)
C4 C5 C6 C7 13.2(3)
C4 C5 C6 C9 -151.97(18)
C5 C6 C7 C8 -14.3(3)
C9 C6 C7 C8 150.72(18)
C6 C7 C8 C3 0.5(3)
C4 C3 C8 C7 14.4(3)
C2 C3 C8 C7 -153.61(18)
C5 C6 C9 C10 91.0(2)
C7 C6 C9 C10 -73.5(2)
C6 C9 C10 C11 -13.9(3)
C9 C10 C11 C16 -73.5(2)
C9 C10 C11 C12 93.4(2)
C16 C11 C12 C13 13.5(3)
C10 C11 C12 C13 -153.96(19)
C11 C12 C13 C14 1.0(3)
C12 C13 C14 C15 -14.7(3)
C12 C13 C14 C1 150.44(19)
C2 C1 C14 C13 -68.3(3)
C2 C1 C14 C15 96.4(2)
C13 C14 C15 C16 13.9(3)
C1 C14 C15 C16 -151.41(19)
C14 C15 C16 C11 0.6(3)
C12 C11 C16 C15 -14.3(3)
C10 C11 C16 C15 153.16(19)
loop_
_cod_related_entry_id
_cod_related_entry_database
_cod_related_entry_code
1 ChemSpider 494639
