data_2012420 _journal_name_full 'Acta Crystallographica, Section C' _journal_year 2002 _journal_volume 58 _journal_page_first o26 _journal_page_last o28 _publ_section_title ; 4-[3-(3,4-Dimethoxyphenyl)prop-2-enoyl]phenyl methacrylate and 4-[3-(2-bromophenyl)prop-2-enoyl]phenyl methacrylate ; loop_ _publ_author_name 'Jeyabharathi, A.' 'Ponnuswamy, M. N.' 'Nanjundan, S.' 'Fun, Hoong-Kun' 'Suchada Chantrapromma' 'Usman, Anwar' 'Razak, Ibrahim Abdul' _chemical_formula_moiety 'C21 H20 O5' _chemical_formula_sum 'C21 H20 O5' _chemical_formula_iupac 'C21 H20 O5' _chemical_formula_weight 352.37 _symmetry_cell_setting monoclinic _symmetry_space_group_name_H-M 'C 2/c' loop_ _symmetry_equiv_pos_as_xyz 'x, y, z' '-x, y, -z+1/2' 'x+1/2, y+1/2, z' '-x+1/2, y+1/2, -z+1/2' '-x, -y, -z' 'x, -y, z-1/2' '-x+1/2, -y+1/2, -z' 'x+1/2, -y+1/2, z-1/2' _cell_length_a 13.381(2) _cell_length_b 20.813(2) _cell_length_c 13.881(2) _cell_angle_alpha 90.00 _cell_angle_beta 109.680(10) _cell_angle_gamma 90.00 _cell_volume 3640.0(8) _cell_formula_units_Z 8 _cell_measurement_temperature 293(2) _exptl_crystal_density_diffrn 1.286 _diffrn_ambient_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 _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 C1 .48118(16) .16042(10) .11251(15) .0637(5) Uani d . 1 . . C C10 -.07604(15) .06351(10) .11849(14) .0613(5) Uani d . 1 . . C O5 .49370(12) .04848(7) .11396(13) .0766(4) Uani d . 1 . . O C3 .32772(16) .09852(9) .10879(15) .0608(5) Uani d . 1 . . C H3 .2951 .0590 .1082 .073 Uiso calc R 1 . . H C2 .43169(16) .10073(9) .11195(15) .0613(5) Uani d . 1 . . C O4 .58327(12) .15740(7) .11380(14) .0803(5) Uani d . 1 . . O C4 .27059(16) .15542(9) .10639(15) .0636(5) Uani d . 1 . . C C9 -.01194(16) .11840(10) .10340(16) .0682(5) Uani d . 1 . . C O2 -.26290(13) -.08349(9) .17100(11) .0855(5) Uani d . 1 . . O C13 -.19997(17) -.03308(12) .15513(15) .0694(5) Uani d . 1 . . C C17 -.32525(15) -.14995(9) .27588(17) .0662(5) Uani d . 1 . . C C8 .09742(16) .10715(10) .10483(15) .0651(5) Uani d . 1 . . C H8 .1227 .0653 .1078 .078 Uiso calc R 1 . . H C16 -.25796(16) -.09516(10) .26773(16) .0665(5) Uani d . 1 . . C C15 -.16951(17) .07756(12) .13748(17) .0737(6) Uani d . 1 . . C H15 -.1904 .1202 .1377 .088 Uiso calc R 1 . . H O1 -.04908(14) .17312(8) .09273(17) .1000(6) Uani d . 1 . . O C7 .16029(17) .15598(10) .10187(16) .0672(5) Uani d . 1 . . C H7 .1293 .1964 .0961 .081 Uiso calc R 1 . . H C11 -.04766(16) -.00037(10) .11653(15) .0656(5) Uani d . 1 . . C H11 .0141 -.0107 .1033 .079 Uiso calc R 1 . . H O3 -.20585(16) -.06307(9) .33833(13) .0983(6) Uani d . 1 . . O C20 .44644(19) -.01285(10) .1069(2) .0784(6) Uani d . 1 . . C H20A .4981 -.0453 .1092 .118 Uiso calc R 1 . . H H20B .3883 -.0161 .0436 .118 Uiso calc R 1 . . H H20C .4208 -.0188 .1631 .118 Uiso calc R 1 . . H C5 .32143(18) .21358(10) .10825(18) .0714(5) Uani d . 1 . . C H5 .2848 .2516 .1077 .086 Uiso calc R 1 . . H C19 -.3193(2) -.16732(11) .3809(2) .0808(6) Uani d . 1 . . C H19A -.3531 -.2081 .3799 .121 Uiso calc R 1 . . H H19B -.3546 -.1351 .4071 .121 Uiso calc R 1 . . H H19C -.2462 -.1700 .4239 .121 Uiso calc R 1 . . H C6 .42588(18) .21615(10) .11093(17) .0719(6) Uani d . 1 . . C H6 .4585 .2557 .1117 .086 Uiso calc R 1 . . H C14 -.23157(17) .02958(13) .15588(17) .0776(6) Uani d . 1 . . C H14 -.2938 .0395 .1686 .093 Uiso calc R 1 . . H C18 -.38625(19) -.18055(12) .1917(2) .0881(7) Uani d . 1 . . C H18A -.4282 -.2150 .1974 .106 Uiso calc R 1 . . H H18B -.3866 -.1674 .1276 .106 Uiso calc R 1 . . H C21 .6354(2) .21722(12) .1145(2) .0877(7) Uani d . 1 . . C H21A .7059 .2095 .1138 .132 Uiso calc R 1 . . H H21B .6392 .2408 .1751 .132 Uiso calc R 1 . . H H21C .5963 .2417 .0552 .132 Uiso calc R 1 . . H C12 -.10995(18) -.04891(11) .13405(16) .0705(5) Uani d . 1 . . C H12 -.0911 -.0917 .1316 .085 Uiso calc R 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 C1 .0659(11) .0603(11) .0645(12) -.0067(9) .0217(9) .0041(9) C10 .0554(10) .0722(12) .0520(10) .0076(9) .0124(8) .0071(8) O5 .0688(9) .0556(8) .1095(12) -.0026(6) .0353(8) -.0002(7) C3 .0652(11) .0557(10) .0615(11) -.0059(8) .0214(9) .0025(8) C2 .0665(11) .0555(10) .0619(11) -.0016(8) .0216(9) .0018(8) O4 .0705(9) .0656(9) .1086(12) -.0092(7) .0351(8) .0071(8) C4 .0681(12) .0617(11) .0599(11) -.0002(9) .0200(9) .0040(9) C9 .0654(11) .0675(12) .0693(12) .0137(10) .0195(9) .0131(10) O2 .0815(10) .1059(12) .0691(9) -.0348(9) .0254(8) -.0158(8) C13 .0623(11) .0908(15) .0520(11) -.0138(10) .0152(9) -.0061(10) C17 .0547(10) .0593(11) .0897(15) .0040(8) .0310(10) -.0089(10) C8 .0643(11) .0659(12) .0646(12) .0069(9) .0209(9) .0086(9) C16 .0594(11) .0746(13) .0665(12) -.0033(9) .0226(9) -.0085(10) C15 .0591(11) .0815(14) .0784(14) .0144(10) .0202(10) .0080(11) O1 .0795(10) .0739(11) .1498(18) .0194(8) .0429(11) .0263(10) C7 .0686(12) .0651(12) .0671(12) .0078(9) .0219(10) .0074(9) C11 .0607(11) .0759(13) .0620(11) .0039(9) .0230(9) .0017(9) O3 .1109(13) .1109(13) .0701(10) -.0475(11) .0266(9) -.0144(9) C20 .0723(13) .0567(12) .1021(17) -.0018(10) .0238(12) .0013(11) C5 .0789(14) .0558(11) .0797(14) .0039(10) .0271(11) .0043(10) C19 .0787(14) .0681(13) .1035(18) .0066(11) .0411(13) .0042(12) C6 .0788(14) .0579(11) .0785(14) -.0111(10) .0259(11) .0021(10) C14 .0559(11) .1020(18) .0739(14) .0020(11) .0204(10) -.0010(12) C18 .0767(14) .0794(15) .113(2) -.0158(12) .0383(14) -.0282(14) C21 .0797(15) .0717(14) .116(2) -.0169(11) .0388(14) .0087(13) C12 .0728(13) .0740(13) .0655(12) -.0033(10) .0243(10) -.0035(10) 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 C1 O4 . 1.362(3) yes C1 C6 . 1.372(3) ? C1 C2 . 1.407(3) ? C10 C11 . 1.386(3) ? C10 C15 . 1.393(3) ? C10 C9 . 1.485(3) ? O5 C2 . 1.363(2) yes O5 C20 . 1.413(2) yes C3 C2 . 1.378(3) ? C3 C4 . 1.404(3) ? C3 H3 . .9300 ? O4 C21 . 1.426(3) yes C4 C5 . 1.385(3) ? C4 C7 . 1.456(3) ? C9 O1 . 1.231(2) yes C9 C8 . 1.475(3) yes O2 C16 . 1.344(3) yes O2 C13 . 1.408(3) yes C13 C14 . 1.372(3) ? C13 C12 . 1.372(3) ? C17 C18 . 1.340(3) ? C17 C19 . 1.477(3) ? C17 C16 . 1.481(3) ? C8 C7 . 1.329(3) ? C8 H8 . .9300 ? C16 O3 . 1.197(2) yes C15 C14 . 1.377(3) ? C15 H15 . .9300 ? C7 H7 . .9300 ? C11 C12 . 1.382(3) ? C11 H11 . .9300 ? C20 H20A . .9600 ? C20 H20B . .9600 ? C20 H20C . .9600 ? C5 C6 . 1.387(3) ? C5 H5 . .9300 ? C19 H19A . .9600 ? C19 H19B . .9600 ? C19 H19C . .9600 ? C6 H6 . .9300 ? C14 H14 . .9300 ? C18 H18A . .9300 ? C18 H18B . .9300 ? C21 H21A . .9600 ? C21 H21B . .9600 ? C21 H21C . .9600 ? C12 H12 . .9300 ?