data_2010429 _journal_name_full 'Acta Crystallographica' _journal_year 1995 _journal_volume C51 _journal_page_first 313 _journal_page_last 315 _publ_section_title ; 2,4,7,9-Tetra-tert-butyl-1,3,7,9-decatetraene ; loop_ _publ_author_name 'Overby, J.S.' 'Hanusa, T.P.' _chemical_formula_moiety 'C26 H46' _chemical_formula_sum 'C26 H46' _chemical_formula_weight 358.65 _symmetry_cell_setting monoclinic _symmetry_space_group_name_H-M 'P 21/n' _symmetry_space_group_name_Hall '-P 2yn' loop_ _symmetry_equiv_pos_as_xyz 'x,y,z' '1/2+x,1/2-y,1/2+z' '-x,-y,-z' '1/2-x,1/2+y,1/2-z' _cell_length_a 9.559(2) _cell_length_b 12.464(2) _cell_length_c 10.478(2) _cell_angle_alpha 90. _cell_angle_beta 94.370(10) _cell_angle_gamma 90. _cell_volume 1244.7(3) _cell_formula_units_Z 2 _cell_measurement_temperature 293.0(10) _exptl_crystal_density_diffrn 0.957 _refine_ls_R_factor_obs 0.044 _refine_ls_wR_factor_obs 0.050 loop_ _atom_site_label _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z C(1) .0688(4) .2622(3) .9057(4) C(2) .0727(4) .1914(3) .8127(4) C(3) -.0500(4) .1218(3) .7789(3) C(4) -.1148(3) .0522(3) .8493(3) C(5) -.0685(3) .0294(3) .9904(3) C(6) .1934(4) .1840(3) .7264(4) C(7) .1471(5) .2352(4) .5972(4) C(8) .3250(5) .2413(4) .7812(5) C(9) .2331(4) .0679(4) .7049(4) C(10) -.2425(4) -.0106(3) .7938(3) C(11) -.3678(5) .0111(4) .8723(5) C(12) -.2889(4) .0195(4) .6572(4) C(13) -.2112(5) -.1298(4) .7972(5) H(1) -.0130 .2686 .9514 H(2) .1477 .3067 .9272 H(3) -.0084 .1281 .6929 H(4) -.0596 .0959 1.0345 H(5) -.1389 -.0128 1.0255 H(6) .1285 .3093 .6092 H(7) .2196 .2275 .5407 H(8) .0645 .2007 .5617 H(9) .3580 .2082 .8594 H(10) .3953 .2369 .7220 H(11) .3038 .3144 .7962 H(12) .1529 .0294 .6711 H(13) .3040 .0648 .6463 H(14) .2672 .0368 .7840 H(15) -.3919 .0850 .8664 H(16) -.4454 -.0310 .8400 H(17) -.3439 -.0071 .9593 H(18) -.3148 .0931 .6537 H(19) -.2139 .0076 .6044 H(20) -.3670 -.0234 .6279 H(21) -.2932 -.1685 .7683 H(22) -.1382 -.1450 .7432 H(23) -.1825 -.1507 .8825 loop_ _geom_bond_atom_site_label_1 _geom_bond_atom_site_label_2 _geom_bond_site_symmetry_1 _geom_bond_site_symmetry_2 _geom_bond_distance _geom_bond_publ_flag C(1) C(2) . . 1.318(5) yes C(2) C(3) . . 1.479(5) yes C(2) C(6) . . 1.523(5) yes C(3) C(4) . . 1.323(4) yes C(4) C(5) . . 1.537(5) yes C(4) C(10) . . 1.528(5) yes C(5) C(5) . 3_557 1.500(6) yes C(6) C(7) . . 1.531(5) yes C(6) C(8) . . 1.520(5) yes C(6) C(9) . . 1.516(5) yes C(10) C(11) . . 1.528(5) yes C(10) C(12) . . 1.512(5) yes C(10) C(13) . . 1.515(5) yes