#------------------------------------------------------------------------------
#$Date: 2011-09-28 15:24:46 +0100 (Wed, 28 Sep 2011) $
#$Revision: 26848 $
#$URL: svn://www.crystallography.net/cod/cif/2/00/06/2000631.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_2000631
loop_
_publ_author_name
'Abboud, K. A.'
'Enholm, E. J.'
'Trivellas, A.'
_publ_section_title
;
 Structure of a densely oxygenated carbocycle
;
_journal_issue                   9
_journal_name_full               'Acta Crystallographica Section C'
_journal_page_first              1695
_journal_page_last               1698
_journal_volume                  48
_journal_year                    1992
_chemical_formula_sum            'C24 H44 O7 Si'
_[local]_cod_chemical_formula_sum_orig 'C24 H44 O7 Si1'
_chemical_formula_weight         472.69
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_H-M   'P 21 21 21'
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   9.4960(10)
_cell_length_b                   12.508(2)
_cell_length_c                   23.317(4)
_cell_volume                     2769.5(7)
_diffrn_radiation_type           Mo
_diffrn_radiation_wavelength     0.71069
_exptl_absorpt_coefficient_mu    0.12
_exptl_crystal_density_diffrn    1.16
_exptl_crystal_F_000             1032
_[local]_cod_data_source_file    st0553.cif
_[local]_cod_data_source_block   st0553a
loop_
_atom_site_label
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
_atom_site_U_iso_or_equiv
Si .7732(7) .4057(3) .18831(14) .056(2)
Si' .8463(8) .4165(3) .1884(2) .0535(15)
O2 .7797(3) .4863(2) .13238(10) .0577(10)
O3 .7841(4) .3253(2) .01900(11) .0743(14)
O4 .8508(3) .4144(2) -.05990(11) .0647(11)
O6 .8707(3) .6784(2) -.03995(11) .0509(10)
O8 1.0692(3) .7905(2) .02280(12) .0530(9)
O15a 1.1662(4) .5315(3) .0578(2) .0911(14)
O15b 1.2184(4) .6470(3) .1247(2) .1001(12)
C1 .8743(4) .5957(3) .05615(13) .0398(11)
C2 .8451(5) .4818(3) .07746(14) .0480(14)
C3 .7517(4) .4333(3) .0311(2) .0476(13)
C4 .7995(5) .3146(3) -.0413(2) .062(2)
C5 .7880(4) .4926(3) -.02435(14) .0433(12)
C6 .8920(4) .5819(3) -.00908(13) .0400(11)
C7 .9857(4) .6549(3) .0905(2) .0483(13)
C8 .9999(4) .7768(3) .0769(2) .0505(13)
C9 .8662(4) .8404(3) .0827(2) .0469(12)
C10 .7920(6) .8227(4) .1401(2) .063(2)
C11 .6635(6) .8907(4) .1475(3) .077(2)
C12 .6952(7) 1.0082(4) .1398(3) .083(2)
C13 .7659(6) 1.0294(4) .0832(2) .069(2)
C14 .8966(5) .9592(3) .0749(2) .0555(14)
C15 1.1308(5) .6023(3) .0873(2) .0602(14)
C16 1.3591(6) .6070(5) .1268(4) .136(3)
C17 .608(2) .3196(12) .1868(6) .115(6)
C17' .773(3) .2806(11) .1793(7) .18(2)
C18 .933(2) .3250(14) .1878(6) .146(9)
C18' 1.0405(14) .434(2) .2000(6) .144(8)
C19 .7535(6) .4843(5) .2518(2) .079(2)
C20 .7488(6) .4130(5) .3048(2) .099(3)
C21 .635(2) .5607(11) .2490(6) .092(6)
C21' .591(2) .469(3) .2328(8) .20(2)
C22 .888(2) .568(2) .2589(7) .153(10)
C22' .793(5) .583(2) .2613(11) .34(3)
C23 .9106(7) .2304(4) -.0546(3) .111(3)
C24 .6601(6) .2892(4) -.0685(2) .087(2)
H6' .785(5) .692(3) -.035(2) .057(14)
H8' 1.014(5) .772(4) .001(2) .055(15)
H1 .788(3) .632(2) .0585(12) .021(7)
H2 .919(4) .443(3) .0793(14) .033(9)
H3 .639(5) .440(3) .038(2) .060(11)
H5 .711(3) .524(2) -.0425(11) .016(7)
H6 .978(4) .563(3) -.0181(13) .033(9)
H7 .948(3) .653(3) .129(2) .036(8)
H8 1.062(4) .816(3) .102(2) .059(11)
H9 .807(4) .821(3) .054(2) .044(10)
H10a .874(4) .837(3) .174(2) .056(11)
H10b .783(5) .760(4) .146(2) .07(2)
H11a .619(5) .884(4) .186(2) .081(14)
H11b .594(6) .877(5) .120(3) .11(2)
H12a .752(5) 1.026(3) .170(2) .062(14)
H12b .597(6) 1.051(4) .144(2) .10(2)
H13a .779(4) 1.118(3) .079(2) .065(12)
H13b .709(5) 1.025(4) .052(2) .08(2)
H14a .935(4) .971(3) .030(2) .049(10)
H14b .965(6) .979(4) .098(2) .07(2)
H16a 1.4145(6) .6441(5) .1549(4) .08
H16b 1.3568(6) .5321(5) .1359(4) .08
H16c 1.4002(6) .6168(5) .0896(4) .08
H17a .525(2) .3633(12) .1862(6) .08
H17b .612(2) .2768(12) .1527(6) .08
H17c .606(2) .2737(12) .2198(6) .08
H17d .673(3) .2801(11) .1735(7) .08
H17e .819(3) .2530(11) .1458(7) .08
H17f .797(3) .2369(11) .2118(7) .08
H18a 1.009(2) .3753(14) .1897(6) .08
H18b .935(2) .2794(14) .2209(6) .08
H18c .942(2) .2825(14) .1537(6) .08
H18d .0868(14) .399(2) .1685(6) .08
H18e 1.0713(14) .507(2) .2024(6) .08
H18f 1.0634(14) .397(2) .2351(6) .08
H20a .7025(6) .4502(5) .3354(2) .08
H20b .6985(6) .3483(5) .2963(2) .08
H20c .8434(6) .3957(5) .3161(2) .08
H21a .611(2) .5829(11) .2871(6) .08
H21b .664(2) .6218(11) .2270(6) .08
H21c .555(2) .5281(11) .2311(6) .08
H21d .537(2) .503(3) .2627(8) .08
H21e .576(2) .506(3) .1973(8) .08
H21f .562(2) .396(3) .2288(8) .08
H22a .876(2) .615(2) .2908(7) .08
H22b .965(2) .520(2) .2662(7) .08
H22c .907(2) .608(2) .2248(7) .08
H22d .749(5) .618(2) .2931(11) .08
H22e .892(5) .577(2) .2685(11) .08
H22f .778(5) .624(2) .2270(11) .08
H23a .9970(7) .2496(4) -.0359(3) .08
H23b .8804(7) .1615(4) -.0413(3) .08
H23c .9253(7) .2279(4) -.0953(3) .08
H24a .5921(6) .3430(4) -.0588(2) .08
H24b .6725(6) .2872(4) -.1093(2) .08
H24c .6276(6) .2208(4) -.0553(2) .08
loop_
_geom_bond_atom_site_label_1
_geom_bond_atom_site_label_2
_geom_bond_distance
O2 Si 1.650(4)
C17 Si 1.90(2)
C18 Si 1.82(2)
C19 Si 1.787(6)
O2 Si' 1.693(5)
C17' Si' 1.85(2)
C18' Si' 1.88(2)
C19 Si' 1.918(7)
C2 O2 1.424(4)
C3 O3 1.413(4)
C4 O3 1.420(5)
C4 O4 1.407(5)
C5 O4 1.414(4)
C6 O6 1.420(4)
C8 O8 1.433(5)
C15 O15a 1.170(6)
C15 O15b 1.329(6)
C16 O15b 1.427(7)
C2 C1 1.534(5)
C6 C1 1.540(4)
C7 C1 1.519(5)
C3 C2 1.524(5)
C5 C3 1.530(5)
C23 C4 1.523(7)
C24 C4 1.502(7)
C6 C5 1.533(5)
C8 C7 1.564(5)
C15 C7 1.529(6)
C9 C8 1.504(6)
C10 C9 1.529(6)
C14 C9 1.524(5)
C11 C10 1.497(8)
C12 C11 1.511(8)
C13 C12 1.503(8)
C14 C13 1.532(7)
C20 C19 1.525(7)
C21 C19 1.47(2)
C22 C19 1.66(2)
C21' C19 1.62(2)
C22' C19 1.31(2)
H6' O6 .84(5)
H8' O8 .76(4)
H1 C1 .94(3)
H2 C2 .86(4)
H3 C3 1.09(4)
H5 C5 .93(3)
H6 C6 .87(4)
H7 C7 .97(3)
H8 C8 .96(4)
H9 C9 .91(4)
H10a C10 1.13(4)
H10b C10 .80(5)
H11a C11 .99(5)
H11b C11 .93(6)
H12a C12 .91(4)
H12b C12 1.08(6)
H13a C13 1.12(4)
H13b C13 .92(5)
H14a C14 1.12(4)
H14b C14 .88(5)
_cod_database_code 2000631