#------------------------------------------------------------------------------ #$Date: 2011-09-17 23:27:16 +0300 (Sat, 17 Sep 2011) $ #$Revision: 26029 $ #$URL: file:///home/coder/svn-repositories/cod/cif/2/2001967.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_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 1768.93 _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 _[local]_cod_data_source_file cd0067.cif _[local]_cod_data_source_block cd0067_structure_2_of_2 _[local]_cod_cif_authors_sg_H-M 'P 21/c' 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) _cod_database_code 2001967