#------------------------------------------------------------------------------
#$Date: 2009-11-14 13:09:05 +0000 (Sat, 14 Nov 2009) $
#$Revision: 846 $
#$URL: svn://www.crystallography.net/cod/cif/2/2005134.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_2005134
_journal_name_full               'Acta Crystallographica C'
_journal_volume                  52
_journal_year      1996
_journal_page_first     1722
_journal_page_last     1725
_publ_section_title
;
3-tert-Butyl-4-methyl-2-phenyl-3-(trimethylsilyloxy)oxetane
and 2-(2-Benzyloxyphenyl)-3-tert-butyl-3-(trimethylsilyloxy)oxetane
;
_chemical_formula_sum     'C17 H28 O2 Si'
_chemical_formula_weight     292.48
_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'
_symmetry_space_group_name_H-M     'P 21/c'
_cell_length_a     8.6990(10)
_cell_length_b     26.4650(10)
_cell_length_c     7.7690(10)
_cell_angle_alpha     90.00
_cell_angle_beta     95.230(10)
_cell_angle_gamma     90.00
_cell_volume     1781.1(3)
_cell_formula_units_Z     4
_exptl_crystal_density_diffrn     1.091
_cell_measurement_temperature     293(2)
loop_
_atom_site_label
_atom_site_occupancy
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
_atom_site_U_iso_or_equiv
Si12 1  .20888(6)  .56554(2)  .36464(7)  .0547(2)
O1 1  .4945(2)  .66510(6)  .0469(2)  .0661(4)
O11 1  .3552(2)  .59702(5)  .3080(2)  .0480(3)
C2 1  .3894(2)  .68076(7)  .1716(2)  .0484(4)
H2 1  .4197(2)  .71408(7)  .2181(2)  .058
C3 1  .4530(2)  .63864(6)  .3000(2)  .0403(3)
C4 1  .5718(2)  .62898(8)  .1667(2)  .0564(5)
H4 1  .6742(2)  .64130(8)  .2103(2)  .068
C5 1  .2234(2)  .68175(7)  .1004(2)  .0498(4)
C6 1  .1249(2)  .71686(8)  .1628(3)  .0618(5)
H6 1  .1627(2)  .73979(8)  .2470(3)  .074
C7 1  -.0299(3)  .71830(11)  .1015(3)  .0761(7)
H7 1  -.0954(3)  .74175(11)  .1459(3)  .091
C8 1  -.0865(3)  .68516(13)  -.0247(3)  .0827(8)
H8 1 -0.1902(3)  .68620(13)  -.0661(3)  .099
C9 1  .0101(3)  .65060(13)  -.0894(3)  .0826(8)
H9 1  -.0284(3)  .62830(13) -0.1753(3)  .099
C10 1  .1662(3)  .64846(10)  -.0278(3)  .0656(5)
H10 1  .2311(3)  .62488(10)  -.0725(3)  .079
C13 1  .1658(5)  .51777(13)  .1925(5)  .1106(11)
H13A 1  .133(4)    .53448(14)  .0860(11)  .166
H13B 1  .086(3)    .4957(8)  .224(2)    .166
H13C 1  .2571(11)  .4984(8)  .178(3)    .166
C14 1  .2608(3)  .53150(11)  .5725(4)  .0865(8)
H14A 1  .1765(12)  .5102(7)  .5982(17)  .130
H14B 1  .282(3)    .55562(11)  .6639(7)  .130
H14C 1  .3509(17)  .5112(7)  .5623(11)  .130
C15 1  .0354(3)  .60438(11)  .3902(4)  .0794(7)
H15A 1  -.0416(10)  .5840(2)  .438(3)    .119
H15B 1  -.0046(15)  .6172(7)  .2796(6)  .119
H15C 1  .0626(6)  .6321(5)  .467(2)    .119
C16 1  .5187(2)  .65620(7)  .4817(2)  .0499(4)
C17 1  .6283(3)  .70133(11)  .4747(4)  .0822(7)
H17A 1  .7083(15)  .6932(3)  .402(2)    .123
H17B 1  .674(2)    .7089(6)  .5891(5)  .123
H17C 1  .5717(6)  .7302(2)  .429(3)    .123
C18 1  .6090(3)  .61218(10)  .5716(3)  .0681(6)
H18A 1  .6953(13)  .6038(5)  .5083(14)  .102
H18B 1  .5426(7)  .5833(2)  .576(2)    .102
H18C 1  .6456(19)  .6219(3)  .6872(9)  .102
C19 1  .3867(3)  .67175(9)  .5861(3)  .0633(5)
H19A 1  .3294(13)  .6987(5)  .5276(12)  .095
H19B 1  .4277(3)  .6830(6)  .6985(9)  .095
H19C 1  .3198(12)  .6434(2)  .598(2)    .095
C20 1  .5824(4)  .57799(11)  .0880(4)  .0910(9)
H20A 1  .626(3)    .5547(2)  .1737(9)  .136
H20B 1  .647(2)    .5796(2)  -.006(2)    .136
H20C 1  .4811(5)  .5667(4)  .045(3)    .136