#------------------------------------------------------------------------------
#$Date: 2025-08-19 00:06:14 +0300 (Tue, 19 Aug 2025) $
#$Revision: 301780 $
#$URL: file:///home/coder/svn-repositories/cod/cif/1/55/68/1556824.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_1556824
loop_
_publ_author_name
'Sanjuan-Szklarz, W Fabiola'
'Hoser, Anna A.'
'Gutmann, Matthias'
'Madsen, Anders Østergaard'
'Woźniak, Krzysztof'
_publ_section_title
;
 Yes, one can obtain better quality structures from routine X-ray data
 collection.
;
_journal_issue                   'Pt 1'
_journal_name_full               IUCrJ
_journal_page_first              61
_journal_page_last               70
_journal_paper_doi               10.1107/S2052252515020941
_journal_volume                  3
_journal_year                    2016
_chemical_absolute_configuration unk
_chemical_formula_moiety         'C20 H14'
_chemical_formula_sum            'C20 H14'
_chemical_formula_weight         254.31
_space_group_crystal_system      orthorhombic
_space_group_IT_number           19
_space_group_name_Hall           'P 2ac 2ab'
_space_group_name_H-M_alt        'P 21 21 21'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_date             2015-10-08
_audit_creation_method
;
Olex2 1.2
(compiled 2015.09.30 svn.r3233 for OlexSys, GUI svn.r5103)
;
_audit_update_record
' 2008-07-30T15:42  Initial CIF as created by GSAS2CIF'
_cell_angle_alpha                90.00
_cell_angle_beta                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   8.0798(3)
_cell_length_b                   8.1645(3)
_cell_length_c                   20.3778(8)
_cell_measurement_temperature    100(2)
_cell_volume                     1344.27(9)
_computing_molecular_graphics    'Olex2 (Dolomanov et al., 2009)'
_computing_publication_material  'Olex2 (Dolomanov et al., 2009)'
_computing_structure_refinement  'XL (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      99.97
_diffrn_measured_fraction_theta_full 0.994
_diffrn_measured_fraction_theta_max 0.994
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0000
_diffrn_reflns_av_unetI/netI     0.0240
_diffrn_reflns_limit_h_max       9
_diffrn_reflns_limit_h_min       0
_diffrn_reflns_limit_k_max       9
_diffrn_reflns_limit_k_min       0
_diffrn_reflns_limit_l_max       24
_diffrn_reflns_limit_l_min       -23
_diffrn_reflns_number            2367
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         25.00
_diffrn_reflns_theta_min         2.69
_diffrn_source                   'fine-focus sealed tube'
_exptl_absorpt_coefficient_mu    0.071
_exptl_absorpt_correction_T_max  0.9901
_exptl_absorpt_correction_T_min  0.9769
_exptl_crystal_density_diffrn    1.257
_exptl_crystal_density_method    'not measured'
_exptl_crystal_F_000             536
_exptl_crystal_size_max          0.33
_exptl_crystal_size_mid          0.18
_exptl_crystal_size_min          0.14
_refine_diff_density_max         0.129
_refine_diff_density_min         -0.157
_refine_diff_density_rms         0.030
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   1(8)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_all   2.62
_refine_ls_goodness_of_fit_ref   1.091
_refine_ls_hydrogen_treatment    refall
_refine_ls_matrix_type           full
_refine_ls_number_parameters     237
_refine_ls_number_reflns         2367
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.091
_refine_ls_R_factor_all          0.0252
_refine_ls_R_factor_gt           0.0250
_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)+(0.0216P)²+0.2940P] where P=(Fo²+2Fc²)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0627
_refine_ls_wR_factor_ref         0.0629
_reflns_number_gt                2335
_reflns_number_total             2367
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            fc5011.cif
_cod_data_source_block           T_IAM_50
_cod_database_code               1556824
_olex2_refinement_description
;
;
_olex2_submission_special_instructions 'No special instructions were received'
loop_
_space_group_symop_id
_space_group_symop_operation_xyz
1 'x, y, z'
2 '-x+1/2, -y, z+1/2'
3 '-x, y+1/2, -z+1/2'
4 'x+1/2, -y+1/2, -z'
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_calc_flag
C1 C 0.43191(15) 0.88604(15) 0.17452(6) 0.0176(3) Uani 1 d
C2 C 0.24538(14) 1.09410(14) 0.11293(6) 0.0165(3) Uani 1 d
C3 C 0.31839(14) 0.98300(14) 0.22008(6) 0.0176(2) Uani 1 d
C4 C 0.30689(16) 0.96574(15) 0.28750(6) 0.0204(3) Uani 1 d
C5 C 0.19332(17) 1.06136(16) 0.32167(6) 0.0232(3) Uani 1 d
C6 C 0.09330(16) 1.17249(15) 0.28909(6) 0.0230(3) Uani 1 d
C7 C 0.10602(15) 1.19170(14) 0.22116(6) 0.0197(3) Uani 1 d
C8 C 0.21805(14) 1.09592(14) 0.18710(6) 0.0170(2) Uani 1 d
C9 C 0.31595(15) 0.80530(15) 0.12502(5) 0.0173(3) Uani 1 d
C10 C 0.30107(16) 0.63904(15) 0.11255(6) 0.0204(3) Uani 1 d
C11 C 0.18553(17) 0.58556(15) 0.06650(6) 0.0230(3) Uani 1 d
C12 C 0.08639(17) 0.69644(16) 0.03330(6) 0.0231(3) Uani 1 d
C13 C 0.10071(16) 0.86341(15) 0.04587(6) 0.0199(3) Uani 1 d
C14 C 0.21464(15) 0.91724(14) 0.09171(6) 0.0169(3) Uani 1 d
C15 C 0.53069(15) 1.01307(14) 0.13612(5) 0.0175(2) Uani 1 d
C16 C 0.70074(15) 1.02610(15) 0.13256(6) 0.0194(3) Uani 1 d
C17 C 0.77070(15) 1.15081(16) 0.09482(6) 0.0204(3) Uani 1 d
C18 C 0.67154(15) 1.26024(15) 0.06092(6) 0.0187(3) Uani 1 d
C19 C 0.49950(15) 1.24751(14) 0.06456(6) 0.0168(3) Uani 1 d
C20 C 0.42998(14) 1.12479(14) 0.10236(5) 0.0166(2) Uani 1 d
H7 H 0.0355(17) 1.2704(17) 0.1985(6) 0.017(3) Uiso 1 d
H1 H 0.5027(17) 0.8051(17) 0.1975(7) 0.019(3) Uiso 1 d
H19 H 0.4288(17) 1.3262(17) 0.0409(7) 0.018(3) Uiso 1 d
H10 H 0.3720(18) 0.5603(17) 0.1368(7) 0.021(3) Uiso 1 d
H2 H 0.1735(18) 1.1769(17) 0.0891(7) 0.021(3) Uiso 1 d
H16 H 0.7724(19) 0.9504(18) 0.1565(7) 0.025(4) Uiso 1 d
H13 H 0.0279(18) 0.9435(17) 0.0212(7) 0.020(3) Uiso 1 d
H6 H 0.0126(19) 1.2367(19) 0.3135(8) 0.030(4) Uiso 1 d
H5 H 0.1854(18) 1.0501(18) 0.3688(7) 0.024(4) Uiso 1 d
H4 H 0.3796(17) 0.8849(18) 0.3105(7) 0.020(3) Uiso 1 d
H17 H 0.8929(18) 1.1594(16) 0.0934(6) 0.017(3) Uiso 1 d
H11 H 0.1756(19) 0.4682(19) 0.0574(7) 0.029(4) Uiso 1 d
H18 H 0.7234(17) 1.3504(17) 0.0338(7) 0.016(3) Uiso 1 d
H12 H 0.0052(19) 0.6581(19) 0.0012(7) 0.026(4) Uiso 1 d
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
C3 C1 C9 104.90(9)
C3 C1 H1 113.9(8)
C9 C1 H1 112.2(8)
C15 C1 C3 105.90(10)
C15 C1 C9 106.02(9)
C15 C1 H1 113.2(8)
C8 C2 C14 105.41(9)
C8 C2 C20 106.20(9)
C8 C2 H2 112.5(8)
C14 C2 C20 105.90(9)
C14 C2 H2 113.7(8)
C20 C2 H2 112.5(8)
C4 C3 C1 126.24(11)
C4 C3 C8 120.32(11)
C8 C3 C1 113.43(10)
C3 C4 C5 118.93(11)
C3 C4 H4 119.5(8)
C5 C4 H4 121.6(8)
C4 C5 H5 119.2(9)
C6 C5 C4 120.83(11)
C6 C5 H5 120.0(9)
C5 C6 C7 120.39(12)
C5 C6 H6 119.9(9)
C7 C6 H6 119.7(9)
C6 C7 H7 120.0(8)
C8 C7 C6 118.82(12)
C8 C7 H7 121.1(8)
C3 C8 C2 112.64(10)
C7 C8 C2 126.64(11)
C7 C8 C3 120.70(11)
C10 C9 C1 126.68(12)
C10 C9 C14 119.92(11)
C14 C9 C1 113.37(11)
C9 C10 C11 119.23(12)
C9 C10 H10 119.5(8)
C11 C10 H10 121.3(8)
C10 C11 H11 119.3(9)
C12 C11 C10 120.76(12)
C12 C11 H11 120.0(9)
C11 C12 C13 120.14(12)
C11 C12 H12 120.4(9)
C13 C12 H12 119.5(9)
C12 C13 H13 119.5(8)
C14 C13 C12 119.39(12)
C14 C13 H13 121.1(8)
C9 C14 C2 112.59(10)
C13 C14 C2 126.85(11)
C13 C14 C9 120.56(11)
C16 C15 C1 126.91(11)
C16 C15 C20 120.11(11)
C20 C15 C1 112.98(10)
C15 C16 C17 119.24(11)
C15 C16 H16 121.0(9)
C17 C16 H16 119.8(9)
C16 C17 H17 118.1(8)
C18 C17 C16 120.75(11)
C18 C17 H17 121.1(8)
C17 C18 C19 120.11(11)
C17 C18 H18 120.2(8)
C19 C18 H18 119.7(8)
C18 C19 H19 120.2(8)
C20 C19 C18 119.21(11)
C20 C19 H19 120.6(8)
C15 C20 C2 112.99(10)
C19 C20 C2 126.44(11)
C19 C20 C15 120.57(11)
loop_
_geom_bond_atom_site_label_1
_geom_bond_atom_site_label_2
_geom_bond_distance
C1 C3 1.5264(16)
C1 C9 1.5264(17)
C1 C15 1.5248(17)
C1 H1 0.992(14)
C2 C8 1.5276(16)
C2 C14 1.5276(16)
C2 C20 1.5276(16)
C2 H2 1.015(15)
C3 C4 1.3842(17)
C3 C8 1.3996(17)
C4 C5 1.3915(18)
C4 H4 1.000(15)
C5 C6 1.3846(19)
C5 H5 0.968(15)
C6 C7 1.3968(18)
C6 H6 0.974(16)
C7 C8 1.3829(17)
C7 H7 0.975(14)
C9 C10 1.3862(17)
C9 C14 1.4022(17)
C10 C11 1.3938(19)
C10 H10 0.992(15)
C11 C12 1.3852(19)
C11 H11 0.979(16)
C12 C13 1.3919(18)
C12 H12 0.977(16)
C13 C14 1.3832(18)
C13 H13 1.013(15)
C15 C16 1.3800(17)
C15 C20 1.4027(17)
C16 C17 1.3957(18)
C16 H16 0.977(16)
C17 C18 1.3847(18)
C17 H17 0.990(15)
C18 C19 1.3959(17)
C18 H18 1.011(14)
C19 C20 1.3830(17)
C19 H19 0.986(14)
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
C1 C3 C4 C5 -178.33(11)
C1 C3 C8 C2 0.45(14)
C1 C3 C8 C7 178.91(10)
C1 C9 C10 C11 178.51(11)
C1 C9 C14 C2 0.22(14)
C1 C9 C14 C13 -179.03(10)
C1 C15 C16 C17 -179.99(11)
C1 C15 C20 C2 0.85(14)
C1 C15 C20 C19 -179.45(11)
C3 C1 C9 C10 -122.26(13)
C3 C1 C9 C14 55.97(12)
C3 C1 C15 C16 123.62(13)
C3 C1 C15 C20 -56.05(12)
C3 C4 C5 C6 -0.14(18)
C4 C3 C8 C2 -178.52(11)
C4 C3 C8 C7 -0.06(17)
C4 C5 C6 C7 -0.66(18)
C5 C6 C7 C8 1.08(17)
C6 C7 C8 C2 177.50(11)
C6 C7 C8 C3 -0.73(17)
C8 C2 C14 C9 -56.58(12)
C8 C2 C14 C13 122.62(12)
C8 C2 C20 C15 55.23(13)
C8 C2 C20 C19 -124.44(12)
C8 C3 C4 C5 0.50(17)
C9 C1 C3 C4 122.50(12)
C9 C1 C3 C8 -56.40(13)
C9 C1 C15 C16 -125.29(12)
C9 C1 C15 C20 55.04(13)
C9 C10 C11 C12 0.09(18)
C10 C9 C14 C2 178.59(10)
C10 C9 C14 C13 -0.66(17)
C10 C11 C12 C13 -0.28(19)
C11 C12 C13 C14 0.00(19)
C12 C13 C14 C2 -178.66(12)
C12 C13 C14 C9 0.47(18)
C14 C2 C8 C3 56.21(12)
C14 C2 C8 C7 -122.14(12)
C14 C2 C20 C15 -56.51(12)
C14 C2 C20 C19 123.81(12)
C14 C9 C10 C11 0.38(18)
C15 C1 C3 C4 -125.63(12)
C15 C1 C3 C8 55.47(12)
C15 C1 C9 C10 125.95(12)
C15 C1 C9 C14 -55.82(13)
C15 C16 C17 C18 -0.31(17)
C16 C15 C20 C2 -178.85(10)
C16 C15 C20 C19 0.85(17)
C16 C17 C18 C19 0.46(17)
C17 C18 C19 C20 0.05(18)
C18 C19 C20 C2 178.95(11)
C18 C19 C20 C15 -0.70(17)
C20 C2 C8 C3 -55.87(12)
C20 C2 C8 C7 125.77(12)
C20 C2 C14 C9 55.73(12)
C20 C2 C14 C13 -125.08(12)
C20 C15 C16 C17 -0.34(17)
loop_
_cod_related_entry_id
_cod_related_entry_database
_cod_related_entry_code
1 PubChem 92764
