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#$Date: 2016-02-19 16:29:56 +0200 (Fri, 19 Feb 2016) $
#$Revision: 176759 $
#$URL: file:///home/coder/svn-repositories/cod/cif/2/00/19/2001967.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_2001967
loop_
_publ_author_name
'Alex, G.'
'Srinivasan, S.'
'Bakthavatchalam, R.'
'Ramadas, S. R.'
'Varghese, B.'
_publ_section_title
;
 Structures of derivatives of the Diels--Alder adduct
 1,4,4a,5,8,8a,9a,10a-octahydro-1,4:5,8-dimethano-9,10-anthraquinone
;
_journal_issue                   2
_journal_name_full               'Acta Crystallographica Section C'
_journal_page_first              303
_journal_page_last               307
_journal_paper_doi               10.1107/S0108270192007996
_journal_volume                  49
_journal_year                    1993
_chemical_formula_moiety         'C18 H22 O5'
_chemical_formula_sum            'C18 H22 O5'
_chemical_formula_weight         318.37
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_H-M   'P 1 21/c 1'
_cell_angle_alpha                90
_cell_angle_beta                 92.170(10)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   8.7410(10)
_cell_length_b                   20.477(2)
_cell_length_c                   9.8900(10)
_cell_volume                     1768.9(3)
_diffrn_radiation_type           Cu
_diffrn_radiation_wavelength     1.54178
_exptl_absorpt_coefficient_mu    0.677
_exptl_crystal_density_diffrn    1.195
_exptl_crystal_density_meas      1.18
_exptl_crystal_F_000             680
_cod_data_source_file            cd0067.cif
_cod_data_source_block           cd0067_structure_2_of_2
_cod_original_cell_volume        1768.93
_cod_original_sg_symbol_H-M      'P 21/c'
_cod_database_code               2001967
loop_
_atom_site_label
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
_atom_site_U_iso_or_equiv
O(1) .29800(10) .44690(10) -.01270(10) .0490(10)
O(2) .47130(10) .63860(10) .30690(10) .0490(10)
O(3) .52180(10) .68170(10) .10880(10) .0470(10)
O(4) -.11990(10) .53510(10) .29710(10) .0480(10)
O(5) .12600(10) .62360(10) .66910(10) .0510(10)
C(1a) .3481(2) .50310(10) .06460(10) .0470(10)
C(2) .4113(2) .49400(10) .21320(10) .0540(10)
C(2a) .3170(2) .54230(10) .30290(10) .0480(10)
C(3) .3198(2) .61210(10) .25690(10) .0520(10)
C(3a) .2016(2) .65780(10) .30760(10) .0510(10)
C(4) .2081(2) .67960(10) .46320(10) .0510(10)
C(4a) .2201(2) .61580(10) .54750(10) .0470(10)
C(5a) .0573(2) .59820(10) .54120(10) .0480(10)
C(6) -.0329(2) .64150(10) .43550(10) .0490(10)
C(6a) .0373(2) .63050(10) .29200(10) .0500(10)
C(7) .0223(2) .55990(10) .24700(10) .0510(10)
C(7a) .1510(2) .51320(10) .29290(10) .0480(10)
C(8) .1662(2) .45170(10) .19960(10) .0480(10)
C(8a) .1841(2) .48510(10) .05780(10) .0490(10)
C(9) .3308(2) .42870(10) .24840(10) .0520(10)
C(10) .0467(2) .70540(10) .48060(10) .0510(10)
C(11) .5527(2) .67410(10) .22530(10) .0470(10)
C(12) .6832(2) .70360(10) .30270(10) .0480(10)
H -.104(2) .4903(8) .3219(17) .053(5)
H(1a) .423(2) .5425(8) .0367(17) .050(5)
H(2) .502(4) .4958(18) .255(4) .149(14)
H(2a) .362(3) .5516(10) .397(2) .078(7)
H(3) .291(2) .6125(9) .1416(18) .057(5)
H(3a) .226(2) .6994(8) .2436(18) .056(5)
H(4) .305(3) .7145(10) .491(2) .079(7)
H(5a) -.017(2) .5513(9) .5222(19) .063(6)
H(6a) -.019(2) .6515(9) .2041(18) .064(6)
H(7) .032(3) .5603(11) .126(2) .080(7)
H(7a) .099(2) .5025(10) .398(2) .063(6)
H(8) .068(3) .4124(10) .200(2) .073(6)
H(9A) .343(2) .4188(8) .3536(19) .058(5)
H(9B) .372(2) .3890(10) .195(2) .073(6)
H(12A) .751(2) .7328(8) .2352(17) .053(5)
H(12B) .764(3) .6635(11) .358(2) .071(7)
H(12C) .638(2) .7327(10) .3746(19) .068(6)
H(4a) .3341 .5945 .5332 ?
H(6) -.1580 .6361 .4303 ?
H(8a) .0734 .5072 .0290 ?
H(10A) .0255 .7187 .5844 ?
H(10B) .0185 .7465 .4155 ?
loop_
_geom_bond_atom_site_label_1
_geom_bond_atom_site_label_2
_geom_bond_distance
O(1) C(1a) 1.441(2)
O(1) C(8a) 1.464(2)
O(2) C(3) 1.498(2)
O(2) C(11) 1.315(2)
O(3) C(11) 1.1840(10)
O(4) C(7) 1.447(2)
O(5) C(4a) 1.491(2)
O(5) C(5a) 1.474(2)
C(1a) C(2) 1.562(2)
C(1a) C(8a) 1.479(2)
C(2) C(2a) 1.581(2)
C(2) C(9) 1.556(3)
C(2a) C(3) 1.500(3)
C(2a) C(7a) 1.568(2)
C(3) C(3a) 1.495(3)
C(3a) C(4) 1.601(2)
C(3a) C(6a) 1.543(2)
C(4) C(4a) 1.551(3)
C(4) C(10) 1.522(2)
C(4a) C(5a) 1.467(2)
C(5a) C(6) 1.562(2)
C(6) C(6a) 1.584(2)
C(6) C(6a) 1.584(2)
C(6) C(10) 1.540(3)
C(6a) C(7) 1.517(3)
C(7) C(7a) 1.532(3)
C(7a) C(8) 1.570(2)
C(8) C(8a) 1.573(2)
C(8) C(9) 1.572(2)
C(11) C(12) 1.478(2)