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#$Date: 2025-08-19 01:52:38 +0300 (Tue, 19 Aug 2025) $
#$Revision: 301791 $
#$URL: file:///home/coder/svn-repositories/cod/cif/2/00/20/2002049.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_2002049
loop_
_publ_author_name
'Siemund, V.'
'Irngartinger, H.'
'Sigwart, C.'
'Kissler, B.'
'Gleiter, R.'
_publ_section_title
;
 Structures of four tricyclo[3.3.0.0^3,7^]octanes and a
 4-oxatetracyclo[4.2.1.0 ^2,5^.0^3,7^]nonane derivative
;
_journal_issue                   1
_journal_name_full               'Acta Crystallographica Section C'
_journal_page_first              57
_journal_page_last               62
_journal_paper_doi               10.1107/S0108270192005936
_journal_volume                  49
_journal_year                    1993
_chemical_formula_sum            'C18 H24 O'
_chemical_formula_weight         256.39
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2ybc'
_symmetry_space_group_name_H-M   'P 1 21/c 1'
_cell_angle_alpha                90
_cell_angle_beta                 96.10(2)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   11.796(3)
_cell_length_b                   11.483(2)
_cell_length_c                   11.312(2)
_cell_volume                     1523.6(5)
_diffrn_radiation_type           Mo
_diffrn_radiation_wavelength     0.7107
_exptl_absorpt_coefficient_mu    0.062
_exptl_crystal_density_diffrn    1.12
_exptl_crystal_F_000             560
_cod_data_source_file            sh1003.cif
_cod_data_source_block           sh1003_structure_4_of_5
_cod_original_cell_volume        1523.6(7)
_cod_original_formula_sum        'C18 H24 O1'
_cod_database_code               2002049
loop_
_atom_site_label
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
_atom_site_U_iso_or_equiv
C(1) .65090(10) .19270(10) .75650(10) .0340(10)
C(2) .56680(10) .13180(10) .82790(10) .0320(10)
C(3) .65200(10) .09270(10) .93160(10) .0280(10)
C(4) .70550(10) .00800(10) .84860(10) .0280(10)
C(5) .75480(10) .10110(10) .77270(10) .0320(10)
C(6) .83410(10) .15230(10) .87440(10) .0330(10)
C(7) .74110(10) .19880(10) .94370(10) .0300(10)
C(8) .68570(10) .28900(10) .85010(10) .0330(10)
O(9) .46550(10) .11470(10) .80830(10) .0450(10)
C(10) .70260(10) -.10740(10) .84030(10) .0310(10)
C(11) .6496(2) -.18290(10) .9280(2) .0430(10)
C(12) .7517(2) -.17170(10) .7417(2) .0430(10)
C(13) .94680(10) .1472(2) .8972(2) .0450(10)
C(14) 1.0205(2) .0896(2) .8127(2) .0660(10)
C(15) 1.0088(2) .1970(2) 1.0082(2) .0690(10)
C(16) .58700(10) .35980(10) .8924(2) .0390(10)
C(17) .6415(2) .47210(10) .9471(2) .0440(10)
C(18) .7611(2) .4763(2) .9117(2) .0620(10)
C(19) .7648(2) .3857(2) .8138(2) .0480(10)
H1 .6240(10) .2190(10) .6750(10) ?
H3 .6260(10) .0610(10) 1.0050(10) ?
H5 .7880(10) .078(2) .699(2) ?
H7 .7640(10) .2240(10) 1.0260(10) ?
H11C .619(2) -.139(2) .997(2) ?
H11A .705(2) -.240(2) .965(2) ?
H11B .589(2) -.237(2) .889(2) ?
H12A .695(2) -.220(2) .694(2) ?
H12B .813(2) -.227(2) .776(2) ?
H12C .789(2) -.121(2) .684(2) ?
H14A .972(2) .045(2) .746(2) ?
H14B 1.070(2) .144(2) .791(3) ?
H14C 1.077(2) .032(3) .859(3) ?
H15C 1.058(2) .266(2) .993(2) ?
H15A .955(2) .230(2) 1.064(2) ?
H15B 1.054(2) .145(2) 1.048(2) ?
H16A .533(2) .383(2) .823(2) ?
H16B .543(2) .317(2) .956(2) ?
H17A .643(2) .472(2) 1.038(2) ?
H17B .596(2) .540(2) .919(2) ?
H18A .823(2) .447(2) .985(2) ?
H18B .782(2) .547(2) .874(2) ?
H19B .723(2) .422(2) .732(2) ?
H19A .843(2) .360(2) .803(2) ?
loop_
_geom_angle_atom_site_label_1
_geom_angle_atom_site_label_2
_geom_angle_atom_site_label_3
_geom_angle
C(1) C(2) C(3) 97.40(10)
C(1) C(5) C(4) 101.00(10)
C(1) C(5) C(6) 103.50(10)
C(1) C(8) C(7) 92.90(10)
C(1) C(8) C(16) 115.70(10)
C(1) C(8) C(19) 117.10(10)
C(2) C(1) C(5) 99.90(10)
C(2) C(1) C(8) 96.10(10)
C(2) C(3) C(4) 89.80(10)
C(2) C(3) C(7) 102.30(10)
C(3) C(4) C(5) 96.10(10)
C(3) C(4) C(10) 131.80(10)
C(3) C(7) C(6) 101.00(10)
C(3) C(7) C(8) 102.80(10)
C(4) C(3) C(7) 103.00(10)
C(4) C(5) C(6) 94.90(10)
C(5) C(1) C(8) 104.10(10)
C(5) C(4) C(10) 131.90(10)
C(5) C(6) C(7) 96.10(10)
C(5) C(6) C(13) 130.7(2)
C(6) C(7) C(8) 99.00(10)
C(7) C(6) C(13) 132.9(2)
C(7) C(8) C(16) 114.40(10)
C(7) C(8) C(19) 115.80(10)
C(16) C(8) C(19) 101.70(10)
O(9) C(2) C(1) 131.90(10)
O(9) C(2) C(3) 130.60(10)
loop_
_geom_bond_atom_site_label_1
_geom_bond_atom_site_label_2
_geom_bond_distance
C(4) C(10) 1.328(3)
C(4) C(3) 1.533(3)
C(4) C(5) 1.526(3)
C(3) C(7) 1.606(3)
C(3) C(2) 1.529(3)
C(2) O(9) 1.208(3)
C(2) C(1) 1.515(3)
C(1) C(5) 1.610(3)
C(1) C(8) 1.555(3)
C(8) C(7) 1.572(3)
C(7) C(6) 1.512(3)
C(5) C(6) 1.522(3)
C(6) C(13) 1.329(3)
loop_
_cod_related_entry_id
_cod_related_entry_database
_cod_related_entry_code
1 PubChem 139054049
