#------------------------------------------------------------------------------ #$Date: 2011-09-17 21:27:16 +0100 (Sat, 17 Sep 2011) $ #$Revision: 26029 $ #$URL: svn://www.crystallography.net/cod/cif/2/2004950.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_2004950 _journal_name_full 'Acta Crystallographica C' _journal_volume 52 _journal_year 1996 _journal_page_first 1530 _journal_page_last 1532 _publ_section_title ; New Routes to Pyranotetrahydrofuran Derivatives ; _chemical_formula_sum 'C12 H20 O2' _chemical_formula_analytical 'C12 H20 O2' _chemical_formula_weight 196.29 _symmetry_cell_setting 'monoclinic' _space_group_IT_number 14 _symmetry_space_group_name_Hall '-P 2yn' _symmetry_space_group_name_H-M 'P 1 21/n 1' _[local]_cod_cif_authors_sg_H-M 'P 21/n' loop_ _symmetry_equiv_pos_as_xyz 'x, y, z' 'x+1/2, -y+1/2, z+1/2' '-x, -y, -z' '-x-1/2, y-1/2, -z-1/2' _cell_length_a 14.963(6) _cell_length_b 6.093(3) _cell_length_c 12.228(5) _cell_angle_alpha 90. _cell_angle_beta 100.14(2) _cell_angle_gamma 90. _cell_volume 1097.4(8) _cell_formula_units_Z 4 _exptl_crystal_density_diffrn 1.188 _cell_measurement_temperature 293(2) loop_ _atom_site_label _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z _atom_site_U_iso_or_equiv O1 .16204(8) .1966(2) .27580(10) .0560(4) O2 .06674(9) .2293(3) .10410(10) .0660(5) C1 -.01780(10) .2962(4) .1332(2) .0644(7) C2 -.07690(10) .1010(4) .1441(2) .0613(7) C3 -.03030(10) -.0462(4) .2367(2) .0526(6) C4 .06550(10) -0.1090(3) .22050(10) .0485(5) C5 .11690(10) .0821(3) .17900(10) .0549(6) C6 .15680(10) .0645(3) .37130(10) .0463(5) C7 .13070(10) -0.1625(3) .32750(10) .0452(6) C8 .10450(10) -0.3041(3) .4189(2) .0533(7) C9 .18490(10) -0.3173(3) .5154(2) .0562(6) C10 .2225(2) -.0897(4) .5524(2) .0647(8) C11 .24210(10) .0569(4) .4579(2) .0586(7) C12 .1604(2) -0.4467(5) .6124(2) .0759(9) H1A -.0469(14) .394(4) .0715(18) .076(6) H1B -.0040(13) .381(3) .2072(17) .065(5) H2A -.0876(13) .014(4) .0755(18) .071(6) H2B -0.1356(14) .152(3) .1586(16) .070(6) H3A -.0657(13) -0.183(3) .2433(15) .064(6) H3B -.0281(11) .036(3) .3080(14) .050(5) H4 .0618(12) -0.227(3) .1670(15) .052(5) H5 .1637(13) .023(3) .1385(15) .066(6) H6 .1083(11) .127(3) .4074(13) .044(4) H7 .1845(11) -0.227(3) .3067(13) .047(4) H8B .0530(12) -0.233(3) .4450(14) .054(5) H8A .0862(13) -0.450(4) .3915(16) .072(6) H9 .2326(12) -0.397(3) .4890(14) .058(5) H10A .1786(15) -.005(4) .5882(18) .078(6) H10B .2786(16) -0.107(4) .6085(18) .084(7) H11A .2596(14) .208(4) .4860(17) .072(6) H11B .2890(14) -.001(3) .4235(16) .065(6) H12A .2101(17) -0.451(4) .671(2) .090(8) H12B .1386(19) -0.607(6) .589(2) .128(11) H12C .1109(15) -0.380(4) .6396(17) .079(7) _cod_database_code 2004950