#------------------------------------------------------------------------------ #$Date: 2011-09-17 21:27:16 +0100 (Sat, 17 Sep 2011) $ #$Revision: 26029 $ #$URL: svn://www.crystallography.net/cod/cif/2/2011261.cif $ #------------------------------------------------------------------------------ # # This file is available in the Crystallography Open Database (COD), # http://www.crystallography.net/ # # All data on this site have been placed in the public domain by the # contributors. # data_2011261 _journal_name_full 'Acta Crystallographica, Section C' _journal_year 2000 _journal_volume 56 _journal_page_first e356 _journal_page_last e356 _publ_section_title ; (5S*,6R*)-1,7-Dioxadispiro[4.0.4.4]tetradecane-2,8-dione ; _space_group_IT_number 14 _symmetry_space_group_name_Hall '-P 2ybc' _symmetry_space_group_name_H-M 'P 1 21/c 1' _[local]_cod_cif_authors_sg_H-M 'P 21/c' loop_ _publ_author_name 'Roggenbuck, Rafael' 'Sch\"urmann, Markus' 'Preut, Hans' 'Eilbracht, Peter' _chemical_formula_sum 'C12 H16 O4' _chemical_formula_weight 224.25 _symmetry_cell_setting monoclinic loop_ _symmetry_equiv_pos_as_xyz 'x, y, z' '-x, y+1/2, -z+1/2' '-x, -y, -z' 'x, -y-1/2, z-1/2' _cell_length_a 6.8821(2) _cell_length_b 13.4754(4) _cell_length_c 12.0807(4) _cell_angle_alpha 90.00 _cell_angle_beta 100.3383(19) _cell_angle_gamma 90.00 _cell_volume 1102.16(6) _cell_formula_units_Z 4 _cell_measurement_temperature 291.0(10) _exptl_crystal_density_diffrn 1.351 _diffrn_ambient_temperature 291.0(10) loop_ _atom_site_label _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z _atom_site_U_iso_or_equiv _atom_site_adp_type _atom_site_calc_flag _atom_site_refinement_flags _atom_site_occupancy _atom_site_disorder_assembly _atom_site_disorder_group _atom_site_type_symbol O1 -.10929(13) .25692(6) .66256(8) .0509(3) Uani d . 1 . . O O2 -.31510(15) .20079(7) .51315(9) .0689(3) Uani d . 1 . . O O3 .19961(12) .24056(6) .83872(7) .0446(3) Uani d . 1 . . O O4 .33557(14) .09793(6) .90372(9) .0620(3) Uani d . 1 . . O C1 .00572(16) .34628(8) .69944(10) .0384(3) Uani d . 1 . . C C2 -.0937(2) .39840(11) .78622(13) .0516(4) Uani d . 1 . . C H2A -.224(2) .4212(10) .7474(12) .059(4) Uiso d . 1 . . H H2B -.1144(19) .3491(11) .8424(12) .060(4) Uiso d . 1 . . H C3 .0278(2) .48509(12) .84106(14) .0617(4) Uani d . 1 . . C H3A .031(2) .5369(12) .7847(14) .070(4) Uiso d . 1 . . H H3B -.039(2) .5153(12) .8983(15) .084(5) Uiso d . 1 . . H C4 .2356(3) .45213(12) .89227(13) .0629(4) Uani d . 1 . . C H4A .315(2) .5066(12) .9262(14) .074(5) Uiso d . 1 . . H H4B .224(2) .4045(10) .9567(13) .062(4) Uiso d . 1 . . H C5 .3339(2) .40130(10) .80545(13) .0511(4) Uani d . 1 . . C H5A .3528(19) .4472(9) .7453(12) .052(4) Uiso d . 1 . . H H5B .468(2) .3776(9) .8385(12) .061(4) Uiso d . 1 . . H C6 .21556(16) .31332(8) .74988(10) .0389(3) Uani d . 1 . . C C7 -.20784(19) .26578(9) .55622(12) .0480(3) Uani d . 1 . . C C8 -.1633(2) .36326(12) .50787(14) .0581(4) Uani d . 1 . . C H8A -.284(3) .4032(12) .4994(14) .087(5) Uiso d . 1 . . H H8B -.132(2) .3510(13) .4375(16) .082(5) Uiso d . 1 . . H C9 -.0009(2) .40806(10) .59203(11) .0420(3) Uani d . 1 . . C H9A -.0224(19) .4732(11) .6083(12) .057(4) Uiso d . 1 . . H H9B .121(2) .4062(9) .5663(12) .058(4) Uiso d . 1 . . H C10 .32307(17) .16367(9) .83560(11) .0457(3) Uani d . 1 . . C C11 .4316(2) .17563(12) .73980(15) .0608(4) Uani d . 1 . . C H11A .437(3) .1136(14) .7016(16) .091(6) Uiso d . 1 . . H H11B .564(3) .1968(12) .7728(16) .089(6) Uiso d . 1 . . H C12 .3215(2) .25662(11) .66823(13) .0535(4) Uani d . 1 . . C H12A .400(2) .2985(11) .6353(12) .060(4) Uiso d . 1 . . H H12B .228(3) .2252(11) .6070(15) .074(5) Uiso d . 1 . . H loop_ _atom_site_aniso_label _atom_site_aniso_U_11 _atom_site_aniso_U_22 _atom_site_aniso_U_33 _atom_site_aniso_U_12 _atom_site_aniso_U_13 _atom_site_aniso_U_23 O1 .0522(5) .0446(5) .0527(6) -.0111(4) .0009(4) .0083(4) O2 .0677(7) .0631(6) .0724(7) -.0175(5) .0026(5) -.0156(5) O3 .0476(5) .0467(5) .0408(5) .0057(4) .0115(4) .0123(4) O4 .0637(6) .0494(6) .0707(7) .0016(4) .0065(5) .0220(5) C1 .0389(6) .0360(6) .0405(7) -.0040(5) .0079(5) .0042(5) C2 .0484(8) .0589(9) .0509(9) .0108(6) .0183(7) .0106(7) C3 .0805(11) .0570(9) .0484(9) .0164(8) .0136(8) -.0062(8) C4 .0807(11) .0529(9) .0501(10) -.0041(8) -.0015(8) -.0057(8) C5 .0463(8) .0513(8) .0526(9) -.0045(6) .0010(7) .0093(7) C6 .0408(7) .0400(6) .0373(7) .0017(5) .0111(5) .0086(5) C7 .0443(7) .0509(8) .0482(8) -.0006(6) .0068(6) -.0052(7) C8 .0643(10) .0604(9) .0462(9) -.0094(7) .0008(7) .0070(7) C9 .0449(7) .0408(8) .0399(8) .0015(6) .0067(6) .0066(6) C10 .0424(7) .0415(7) .0512(8) -.0005(5) .0025(6) .0066(7) C11 .0604(10) .0585(9) .0673(10) .0176(7) .0219(8) .0116(8) C12 .0551(8) .0572(8) .0520(9) .0133(7) .0202(7) .0086(7) loop_ _geom_bond_atom_site_label_1 _geom_bond_atom_site_label_2 _geom_bond_site_symmetry_2 _geom_bond_distance _geom_bond_publ_flag O1 C7 . 1.3461(17) ? O1 C1 . 1.4657(14) ? O2 C7 . 1.2020(15) ? O3 C10 . 1.3447(15) ? O3 C6 . 1.4723(13) ? O4 C10 . 1.2016(14) ? C1 C2 . 1.5222(18) ? C1 C6 . 1.5291(16) ? C1 C9 . 1.5355(17) ? C2 C3 . 1.518(2) ? C2 H2A . .986(14) ? C2 H2B . .978(15) ? C3 C4 . 1.519(2) ? C3 H3A . .979(17) ? C3 H3B . .985(19) ? C4 C5 . 1.510(2) ? C4 H4A . .961(16) ? C4 H4B . 1.023(15) ? C5 C6 . 1.5240(17) ? C5 H5A . .980(14) ? C5 H5B . .992(15) ? C6 C12 . 1.5319(17) ? C7 C8 . 1.492(2) ? C8 C9 . 1.496(2) ? C8 H8A . .982(18) ? C8 H8B . .929(18) ? C9 H9A . .917(15) ? C9 H9B . .943(15) ? C10 C11 . 1.4945(19) ? C11 C12 . 1.509(2) ? C11 H11A . .959(19) ? C11 H11B . .967(19) ? C12 H12A . .921(15) ? C12 H12B . .983(18) ? _cod_database_code 2011261