#------------------------------------------------------------------------------
#$Date: 2017-10-13 14:42:48 +0300 (Fri, 13 Oct 2017) $
#$Revision: 201982 $
#$URL: file:///home/coder/svn-repositories/cod/cif/4/02/69/4026952.cif $
#------------------------------------------------------------------------------
#
# This file is available in the Crystallography Open Database (COD),
# http://www.crystallography.net/
#
# All data on this site have been placed in the public domain by the
# contributors.
#
data_4026952
loop_
_publ_author_name
'Colin W. Anson'
'Dasan M. Thamattoor'
_publ_section_title
;
 Influence of Substituents on the Through-Space Shielding of Aromatic
 Rings
;
_journal_name_full               'Journal of Organic Chemistry'
_journal_page_first              1693
_journal_page_last               1700
_journal_paper_doi               10.1021/jo202203r
_journal_volume                  77
_journal_year                    2012
_chemical_formula_moiety         'C18 H16 O'
_chemical_formula_sum            'C18 H16 O'
_chemical_formula_weight         248.31
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           19
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  'P 2ac 2ab'
_symmetry_space_group_name_H-M   'P 21 21 21'
_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                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   8.2230(14)
_cell_length_b                   8.9887(15)
_cell_length_c                   17.940(3)
_cell_measurement_reflns_used    3205
_cell_measurement_temperature    173(2)
_cell_measurement_theta_max      26.34
_cell_measurement_theta_min      2.53
_cell_volume                     1326.0(4)
_computing_cell_refinement       'Bruker SAINT'
_computing_data_collection       'Bruker APEX2'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      173(2)
_diffrn_measured_fraction_theta_full 0.997
_diffrn_measured_fraction_theta_max 0.997
_diffrn_measurement_device_type  'Bruker APEX-II CCD'
_diffrn_measurement_method       'φ and ω scans'
_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  0.0336
_diffrn_reflns_av_sigmaI/netI    0.0314
_diffrn_reflns_limit_h_max       10
_diffrn_reflns_limit_h_min       -10
_diffrn_reflns_limit_k_max       11
_diffrn_reflns_limit_k_min       -11
_diffrn_reflns_limit_l_max       21
_diffrn_reflns_limit_l_min       -22
_diffrn_reflns_number            10781
_diffrn_reflns_theta_full        26.42
_diffrn_reflns_theta_max         26.42
_diffrn_reflns_theta_min         2.27
_exptl_absorpt_coefficient_mu    0.075
_exptl_absorpt_correction_T_max  0.9903
_exptl_absorpt_correction_T_min  0.9741
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
'Sheldrick, G.M., (2008) SADABS University of Gottingen, Germany'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.244
_exptl_crystal_description       'triangular prism'
_exptl_crystal_F_000             528
_exptl_crystal_size_max          0.35
_exptl_crystal_size_mid          0.17
_exptl_crystal_size_min          0.13
_refine_diff_density_max         0.176
_refine_diff_density_min         -0.129
_refine_diff_density_rms         0.035
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.7(16)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.047
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     174
_refine_ls_number_reflns         2724
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.047
_refine_ls_R_factor_all          0.0432
_refine_ls_R_factor_gt           0.0373
_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)+(0.0380P)²+0.1784P] where P=(Fo²+2Fc²)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0831
_refine_ls_wR_factor_ref         0.0858
_reflns_number_gt                2473
_reflns_number_total             2724
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            jo202203r_si_007.cif
_cod_data_source_block           das0916_0m
_cod_database_code               4026952
loop_
_symmetry_equiv_pos_as_xyz
'x, y, z'
'x+1/2, -y+1/2, -z'
'-x, y+1/2, -z+1/2'
'-x+1/2, -y, z+1/2'
loop_
_atom_site_label
_atom_site_type_symbol
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
_atom_site_U_iso_or_equiv
_atom_site_adp_type
_atom_site_occupancy
_atom_site_symmetry_multiplicity
_atom_site_calc_flag
_atom_site_refinement_flags
O1 O 0.71746(13) 0.28926(11) 0.11438(6) 0.0376(3) Uani 1 1 d .
C1 C 0.34303(17) 0.81781(16) 0.12189(8) 0.0288(3) Uani 1 1 d .
C2 C 0.17403(18) 0.82483(17) 0.14144(8) 0.0277(3) Uani 1 1 d .
C3 C 0.06356(19) 0.70011(17) 0.14118(8) 0.0317(3) Uani 1 1 d .
C4 C -0.0928(2) 0.72202(19) 0.16501(9) 0.0380(4) Uani 1 1 d .
H4 H -0.1650 0.6395 0.1653 0.046 Uiso 1 1 calc R
C5 C -0.1515(2) 0.8607(2) 0.18910(10) 0.0429(4) Uani 1 1 d .
H5 H -0.2591 0.8696 0.2079 0.051 Uiso 1 1 calc R
C6 C -0.0542(2) 0.98103(19) 0.18539(9) 0.0390(4) Uani 1 1 d .
H6 H -0.0951 1.0758 0.1995 0.047 Uiso 1 1 calc R
C7 C 0.1088(2) 0.96721(17) 0.16056(8) 0.0315(3) Uani 1 1 d .
C8 C 0.2066(2) 1.09676(17) 0.15348(9) 0.0369(4) Uani 1 1 d .
H8 H 0.1625 1.1911 0.1662 0.044 Uiso 1 1 calc R
C9 C 0.3623(2) 1.08724(17) 0.12878(9) 0.0366(4) Uani 1 1 d .
H9 H 0.4251 1.1748 0.1217 0.044 Uiso 1 1 calc R
C10 C 0.42955(19) 0.94737(18) 0.11387(9) 0.0345(4) Uani 1 1 d .
H10 H 0.5393 0.9419 0.0976 0.041 Uiso 1 1 calc R
C11 C 0.43701(17) 0.67589(16) 0.11664(8) 0.0295(3) Uani 1 1 d .
C12 C 0.50968(19) 0.62918(17) 0.05063(9) 0.0345(4) Uani 1 1 d .
H12 H 0.4953 0.6870 0.0068 0.041 Uiso 1 1 calc R
C13 C 0.60262(19) 0.50052(17) 0.04706(9) 0.0338(4) Uani 1 1 d .
H13 H 0.6498 0.4701 0.0012 0.041 Uiso 1 1 calc R
C14 C 0.62599(17) 0.41687(16) 0.11112(8) 0.0289(3) Uani 1 1 d .
C15 C 0.55715(18) 0.46260(17) 0.17793(8) 0.0303(3) Uani 1 1 d .
H15 H 0.5745 0.4063 0.2220 0.036 Uiso 1 1 calc R
C16 C 0.46376(18) 0.58953(17) 0.18031(8) 0.0308(3) Uani 1 1 d .
H16 H 0.4164 0.6192 0.2263 0.037 Uiso 1 1 calc R
C17 C 0.7800(2) 0.23186(19) 0.04610(10) 0.0435(4) Uani 1 1 d .
H17A H 0.6903 0.2159 0.0110 0.065 Uiso 1 1 calc R
H17B H 0.8354 0.1372 0.0556 0.065 Uiso 1 1 calc R
H17C H 0.8573 0.3031 0.0248 0.065 Uiso 1 1 calc R
C18 C 0.1058(2) 0.54883(18) 0.11058(11) 0.0443(4) Uani 1 1 d .
H18A H 0.1775 0.4971 0.1456 0.066 Uiso 1 1 calc R
H18B H 0.1612 0.5602 0.0626 0.066 Uiso 1 1 calc R
H18C H 0.0060 0.4909 0.1037 0.066 Uiso 1 1 calc R
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'
O O 0.0106 0.0060 '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 O1 C17 117.62(12)
C10 C1 C2 119.38(14)
C10 C1 C11 116.72(12)
C2 C1 C11 123.63(13)
C7 C2 C1 117.47(13)
C7 C2 C3 117.41(13)
C1 C2 C3 125.09(14)
C4 C3 C2 118.58(14)
C4 C3 C18 117.38(14)
C2 C3 C18 123.87(14)
C3 C4 C5 123.12(15)
C3 C4 H4 118.4
C5 C4 H4 118.4
C6 C5 C4 119.54(15)
C6 C5 H5 120.2
C4 C5 H5 120.2
C5 C6 C7 120.45(15)
C5 C6 H6 119.8
C7 C6 H6 119.8
C6 C7 C8 119.42(15)
C6 C7 C2 120.56(14)
C8 C7 C2 120.02(14)
C9 C8 C7 120.74(15)
C9 C8 H8 119.6
C7 C8 H8 119.6
C8 C9 C10 119.46(14)
C8 C9 H9 120.3
C10 C9 H9 120.3
C1 C10 C9 122.51(14)
C1 C10 H10 118.7
C9 C10 H10 118.7
C12 C11 C16 117.40(14)
C12 C11 C1 122.24(13)
C16 C11 C1 120.24(13)
C13 C12 C11 121.83(14)
C13 C12 H12 119.1
C11 C12 H12 119.1
C14 C13 C12 119.34(14)
C14 C13 H13 120.3
C12 C13 H13 120.3
O1 C14 C13 124.35(13)
O1 C14 C15 115.73(13)
C13 C14 C15 119.90(14)
C16 C15 C14 120.01(14)
C16 C15 H15 120.0
C14 C15 H15 120.0
C15 C16 C11 121.51(14)
C15 C16 H16 119.2
C11 C16 H16 119.2
O1 C17 H17A 109.5
O1 C17 H17B 109.5
H17A C17 H17B 109.5
O1 C17 H17C 109.5
H17A C17 H17C 109.5
H17B C17 H17C 109.5
C3 C18 H18A 109.5
C3 C18 H18B 109.5
H18A C18 H18B 109.5
C3 C18 H18C 109.5
H18A C18 H18C 109.5
H18B C18 H18C 109.5
loop_
_geom_bond_atom_site_label_1
_geom_bond_atom_site_label_2
_geom_bond_distance
O1 C14 1.3729(17)
O1 C17 1.4251(19)
C1 C10 1.372(2)
C1 C2 1.435(2)
C1 C11 1.494(2)
C2 C7 1.429(2)
C2 C3 1.443(2)
C3 C4 1.369(2)
C3 C18 1.507(2)
C4 C5 1.405(2)
C4 H4 0.9500
C5 C6 1.347(2)
C5 H5 0.9500
C6 C7 1.418(2)
C6 H6 0.9500
C7 C8 1.421(2)
C8 C9 1.358(2)
C8 H8 0.9500
C9 C10 1.399(2)
C9 H9 0.9500
C10 H10 0.9500
C11 C12 1.391(2)
C11 C16 1.398(2)
C12 C13 1.388(2)
C12 H12 0.9500
C13 C14 1.387(2)
C13 H13 0.9500
C14 C15 1.388(2)
C15 C16 1.376(2)
C15 H15 0.9500
C16 H16 0.9500
C17 H17A 0.9800
C17 H17B 0.9800
C17 H17C 0.9800
C18 H18A 0.9800
C18 H18B 0.9800
C18 H18C 0.9800
loop_
_cod_related_entry_id
_cod_related_entry_database
_cod_related_entry_code
1 ChemSpider 30659463
