#------------------------------------------------------------------------------ #$Date: 2011-09-28 17:24:46 +0300 (Wed, 28 Sep 2011) $ #$Revision: 26848 $ #$URL: file:///home/coder/svn-repositories/cod/cif/2/00/02/2000252.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_2000252 loop_ _publ_author_name 'Badejo, I. T.' 'Fry, J. L.' 'Karaman, R.' 'Nadkarni, D.' 'Pinkerton, A. A.' _publ_section_title ; 9-(Cyclohepta-2,4,6-trien-1-yl)xanthen-9-ol. X-ray crystal structure and computationally optimized structures compared ; _journal_issue 9 _journal_name_full 'Acta Crystallographica Section C' _journal_page_first 1895 _journal_page_last 1898 _journal_volume 47 _journal_year 1991 _chemical_formula_sum 'C20 H16 O2' _symmetry_cell_setting monoclinic _symmetry_space_group_name_H-M 'P 1 21/n 1' _cell_angle_alpha 90 _cell_angle_beta 106.74(2) _cell_angle_gamma 90 _cell_formula_units_Z 4 _cell_length_a 12.690(3) _cell_length_b 6.1400(10) _cell_length_c 19.660(4) _cell_volume 1466.9 _diffrn_radiation_type mo _diffrn_radiation_wavelength 0.71073 _exptl_absorpt_coefficient_mu .08 _exptl_crystal_density_diffrn 1.31 _exptl_crystal_F_000 608 _[local]_cod_data_source_file cr0275.cif _[local]_cod_data_source_block cr0275a _[local]_cod_cif_authors_sg_H-M P21/n loop_ _atom_site_label _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z _atom_site_U_iso_or_equiv O10 .12300(10) -.1362(3) .22146(8) 2.90(4) O15 -.01420(10) .4852(3) .19049(9) 3.35(4) C1 .0534(2) .2726(5) .08000(10) 3.31(6) C2 .1075(2) .1852(5) .03460(10) 3.85(6) C3 .1638(2) -.0086(5) .05160(10) 3.72(6) C4 .1678(2) -.1127(5) .11360(10) 3.22(6) C5 .1411(2) -.1161(5) .34310(10) 3.27(6) C6 .1235(2) -.0114(5) .40060(10) 3.88(6) C7 .0663(2) .1825(6) .39180(10) 3.98(6) C8 .0237(2) .2697(5) .32490(10) 3.20(6) C9 -.0115(2) .2532(4) .19060(10) 2.39(5) C11 .0544(2) .1686(4) .14290(10) 2.42(5) C12 .1137(2) -.0228(4) .15930(10) 2.46(5) C13 .0378(2) .1661(4) .26510(10) 2.47(5) C14 .0988(2) -.0243(4) .27620(10) 2.53(5) C16 -.1539(2) -.0511(4) .15240(10) 2.63(5) C17 -.2473(2) -.1310(5) .10940(10) 3.14(5) C18 -.3407(2) -.0021(5) .07130(10) 3.54(6) C19 -.3720(2) .1852(5) .09500(10) 3.63(6) C20 -.3202(2) .2867(5) .16150(10) 3.40(6) C21 -.2121(2) .2812(4) .19470(10) 2.98(5) C22 -.1334(2) .1886(4) .15780(10) 2.33(5) H1 .017(2) .413(4) .0690(10) 5.2(7) H2 .104(2) .260(4) -.0080(10) 4.5(6) H3 .200(2) -.075(5) .0180(10) 5.6(7) H4 .205(2) -.248(3) .1250(10) 3.1(5) H5 .179(2) -.251(4) .3480(10) 4.4(6) H6 .154(2) -.073(4) .4460(10) 5.1(7) H7 .059(2) .265(4) .4330(10) 4.9(7) H8 -.013(2) .410(4) .3190(10) 3.9(6) H15 .052(2) .549(5) .2070(10) 6.5(8) H16 -.097(2) -.144(4) .1840(10) 3.5(6) H17 -.253(2) -.286(4) .1060(10) 4.0(6) H18 -.390(2) -.066(5) .0290(10) 4.9(7) H19 -.443(2) .243(4) .0670(10) 4.2(6) H20 -.367(2) .361(4) .1860(10) 4.4(6) H21 -.182(2) .335(4) .2410(10) 2.9(5) H22 -.153(2) .257(3) .1080(10) 2.4(5) _cod_database_code 2000252