#------------------------------------------------------------------------------
#$Date: 2017-02-04 16:15:50 +0200 (Sat, 04 Feb 2017) $
#$Revision: 191755 $
#$URL: file:///home/coder/svn-repositories/cod/cif/7/15/53/7155383.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_7155383
loop_
_publ_author_name
'Roldán, Steven'
'Cardona, Adrià'
'Conesa, Laura'
'Murga, Juan'
'Falomir, Eva'
'Carda, Miguel'
'Marco, J. Alberto'
_publ_section_title
;
 Synthesis and biological evaluation of simplified pironetin analogues
 with modifications in the side chain and the lactone ring.
;
_journal_issue                   1
_journal_name_full               'Organic & biomolecular chemistry'
_journal_page_first              220
_journal_page_last               232
_journal_paper_doi               10.1039/c6ob01585a
_journal_volume                  15
_journal_year                    2016
_chemical_absolute_configuration ad
_chemical_formula_moiety         'C27 H54 O4 Si2'
_chemical_formula_sum            'C27 H54 O4 Si2'
_chemical_formula_weight         498.88
_chemical_name_systematic
(R)-6-((3S,4S,5S)-3,5-bis((tert-butyldimethylsilyl)oxy)-2,4,6-trimethylheptan-2-yl)-5,6-dihydro-2H-pyran-2-one
_space_group_crystal_system      monoclinic
_space_group_IT_number           4
_space_group_name_Hall           'P 2yb'
_space_group_name_H-M_alt        'P 1 21 1'
_symmetry_space_group_name_Hall  'P 2yb'
_symmetry_space_group_name_H-M   'P 1 21 1'
_atom_sites_solution_hydrogens   geom
_audit_creation_method           SHELXL-2013
_audit_update_record
;
2015-10-15 deposited with the CCDC.
2016-11-22 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 103.3349(10)
_cell_angle_gamma                90
_cell_formula_units_Z            2
_cell_length_a                   13.67692(13)
_cell_length_b                   7.47473(8)
_cell_length_c                   15.84227(18)
_cell_measurement_temperature    293(2)
_cell_volume                     1575.91(3)
_computing_structure_refinement  'SHELXL-2013 (Sheldrick, 2013)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 0.966
_diffrn_measured_fraction_theta_max 1.000
_diffrn_measurement_device_type  'SuperNova, Dual, Cu at zero, Atlas'
_diffrn_radiation_type           CuK\a
_diffrn_radiation_wavelength     1.54184
_diffrn_reflns_av_R_equivalents  0.0565
_diffrn_reflns_av_unetI/netI     0.0301
_diffrn_reflns_Laue_measured_fraction_full 0.966
_diffrn_reflns_Laue_measured_fraction_max 1.000
_diffrn_reflns_limit_h_max       16
_diffrn_reflns_limit_h_min       -16
_diffrn_reflns_limit_k_max       8
_diffrn_reflns_limit_k_min       -8
_diffrn_reflns_limit_l_max       18
_diffrn_reflns_limit_l_min       -18
_diffrn_reflns_number            27047
_diffrn_reflns_point_group_measured_fraction_full 0.957
_diffrn_reflns_point_group_measured_fraction_max 0.992
_diffrn_reflns_theta_full        67.684
_diffrn_reflns_theta_max         65.975
_diffrn_reflns_theta_min         3.321
_exptl_absorpt_coefficient_mu    1.221
_exptl_absorpt_correction_T_max  0.958
_exptl_absorpt_correction_T_min  0.806
_exptl_absorpt_correction_type   gaussian
_exptl_absorpt_process_details
;
CrysAlisPro, Agilent Technologies,
Version 1.171.37.31 (release 14-01-2014 CrysAlis171 .NET)
(compiled Jan 14 2014,18:38:05)
Numerical absorption correction based on gaussian integration over
            a multifaceted crystal model
Empirical absorption correction using spherical harmonics,
 implemented in SCALE3 ABSPACK scaling algorithm.
;
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.051
_exptl_crystal_description       fiber
_exptl_crystal_F_000             552
_exptl_crystal_size_max          0.5922
_exptl_crystal_size_mid          0.1462
_exptl_crystal_size_min          0.1004
_refine_diff_density_max         0.505
_refine_diff_density_min         -0.271
_refine_diff_density_rms         0.049
_refine_ls_abs_structure_details
;
 Flack x determined using 2339 quotients [(I+)-(I-)]/[(I+)+(I-)]
 (Parsons and Flack (2004), Acta Cryst. A60, s61).
;
_refine_ls_abs_structure_Flack   -0.010(16)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.027
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     372
_refine_ls_number_reflns         5445
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.027
_refine_ls_R_factor_all          0.0504
_refine_ls_R_factor_gt           0.0492
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[σ²(Fo²)+(0.1051P)²+0.1454P] where P=(Fo²+2Fc²)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1308
_refine_ls_wR_factor_ref         0.1328
_reflns_Friedel_coverage         0.829
_reflns_Friedel_fraction_full    0.947
_reflns_Friedel_fraction_max     0.982
_reflns_number_gt                5305
_reflns_number_total             5445
_reflns_threshold_expression     'I > 2σ(I)'
_cod_data_source_file            c6ob01585a2.cif
_cod_data_source_block           str1726
_cod_depositor_comments
'Adding full bibliography for 7155377--7155385.cif.'
_cod_database_code               7155383
_shelx_space_group_comment
;
The symmetry employed for this shelxl refinement is uniquely defined
by the following loop, which should always be used as a source of
symmetry information in preference to the above space-group names.
They are only intended as comments.
;
_shelxl_version_number           2013-3
loop_
_space_group_symop_operation_xyz
'x, y, z'
'-x, y+1/2, -z'
loop_
_atom_site_label
_atom_site_type_symbol
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
_atom_site_U_iso_or_equiv
_atom_site_adp_type
_atom_site_occupancy
_atom_site_site_symmetry_order
_atom_site_calc_flag
_atom_site_refinement_flags_posn
_atom_site_refinement_flags_adp
_atom_site_refinement_flags_occupancy
_atom_site_disorder_assembly
_atom_site_disorder_group
Si2 Si 0.13901(5) -0.28394(10) -0.23932(4) 0.0307(2) Uani 1 1 d . . . . .
C19 C -0.5392(3) -0.5793(10) -0.1614(5) 0.107(2) Uani 1 1 d . . . . .
H19A H -0.5776 -0.4728 -0.1793 0.161 Uiso 1 1 calc R U . A 1
H19B H -0.5663 -0.6410 -0.1188 0.161 Uiso 1 1 calc R U . A 1
H19C H -0.5424 -0.6557 -0.2106 0.161 Uiso 1 1 calc R U . A 1
Si1 Si -0.36947(8) -0.4645(2) -0.21434(9) 0.0400(6) Uani 0.670(5) 1 d . . P B 1
C18 C -0.4271(3) -0.5278(8) -0.1212(4) 0.0482(13) Uani 0.670(5) 1 d . . P B 1
C20 C -0.3718(7) -0.6821(18) -0.0712(6) 0.062(3) Uani 0.670(5) 1 d . . P B 1
H20A H -0.3962 -0.7016 -0.0198 0.093 Uiso 0.670(5) 1 calc R U P B 1
H20B H -0.3013 -0.6556 -0.0553 0.093 Uiso 0.670(5) 1 calc R U P B 1
H20C H -0.3826 -0.7878 -0.1066 0.093 Uiso 0.670(5) 1 calc R U P B 1
C21 C -0.4207(6) -0.3712(13) -0.0588(5) 0.073(2) Uani 0.670(5) 1 d . . P B 1
H21A H -0.3515 -0.3407 -0.0358 0.109 Uiso 0.670(5) 1 calc R U P B 1
H21B H -0.4512 -0.4041 -0.0122 0.109 Uiso 0.670(5) 1 calc R U P B 1
H21C H -0.4555 -0.2701 -0.0891 0.109 Uiso 0.670(5) 1 calc R U P B 1
C16 C -0.3704(13) -0.658(3) -0.2857(10) 0.065(3) Uani 0.670(5) 1 d . . P B 1
H16A H -0.3643 -0.6172 -0.3418 0.097 Uiso 0.670(5) 1 calc R U P B 1
H16B H -0.4323 -0.7220 -0.2914 0.097 Uiso 0.670(5) 1 calc R U P B 1
H16C H -0.3150 -0.7349 -0.2613 0.097 Uiso 0.670(5) 1 calc R U P B 1
Si1' Si -0.37255(18) -0.3581(4) -0.1715(2) 0.0418(11) Uani 0.330(5) 1 d . . P B
2
C17 C -0.4395(8) -0.2817(15) -0.2808(8) 0.064(3) Uani 0.670(5) 1 d . . P B 1
H17A H -0.5099 -0.3091 -0.2948 0.077 Uiso 0.670(5) 1 calc R U P B 1
H17B H -0.4164 -0.2695 -0.3334 0.077 Uiso 0.670(5) 1 calc R U P B 1
H17C H -0.4284 -0.1716 -0.2488 0.077 Uiso 0.670(5) 1 calc R U P B 1
O2 O 0.01710(14) -0.2455(3) -0.26110(12) 0.0320(4) Uani 1 1 d . . . . .
C19' C -0.389(3) -0.688(5) -0.269(3) 0.082(10) Uani 0.330(5) 1 d . . P B 2
H19D H -0.4095 -0.6209 -0.3223 0.123 Uiso 0.330(5) 1 calc R U P B 2
H19E H -0.4198 -0.8044 -0.2772 0.123 Uiso 0.330(5) 1 calc R U P B 2
H19F H -0.3176 -0.7005 -0.2547 0.123 Uiso 0.330(5) 1 calc R U P B 2
C18' C -0.4259(9) -0.5819(19) -0.1904(11) 0.064(3) Uani 0.330(5) 1 d . . P B 2
C17' C -0.4030(12) -0.259(3) -0.0716(11) 0.073(4) Uani 0.330(5) 1 d . . P B 2
H17D H -0.4293 -0.1402 -0.0843 0.110 Uiso 0.330(5) 1 calc R U P B 2
H17E H -0.3432 -0.2538 -0.0260 0.110 Uiso 0.330(5) 1 calc R U P B 2
H17F H -0.4523 -0.3319 -0.0536 0.110 Uiso 0.330(5) 1 calc R U P B 2
O1 O -0.25313(15) -0.3981(3) -0.16530(14) 0.0421(5) Uani 1 1 d . . . . .
C11 C -0.2278(2) -0.2812(5) -0.42904(18) 0.0374(6) Uani 1 1 d . . . . .
H11 H -0.2663 -0.2867 -0.3841 0.045 Uiso 1 1 calc R U . . .
O3 O -0.21630(16) -0.4629(3) -0.45811(14) 0.0427(5) Uani 1 1 d . . . . .
C1 C -0.1783(4) -0.0219(6) -0.1097(3) 0.0660(11) Uani 1 1 d . . . . .
H1A H -0.2025 0.0444 -0.1623 0.099 Uiso 1 1 calc R U . . .
H1B H -0.1361 0.0536 -0.0675 0.099 Uiso 1 1 calc R U . . .
H1C H -0.2343 -0.0624 -0.0878 0.099 Uiso 1 1 calc R U . . .
O4 O -0.2933(3) -0.7104(4) -0.5122(2) 0.0716(8) Uani 1 1 d . . . . .
C6 C -0.0724(2) -0.5738(4) -0.1991(2) 0.0413(7) Uani 1 1 d . . . . .
H6A H -0.0555 -0.6628 -0.2370 0.062 Uiso 1 1 calc R U . . .
H6B H -0.1127 -0.6271 -0.1636 0.062 Uiso 1 1 calc R U . . .
H6C H -0.0120 -0.5262 -0.1628 0.062 Uiso 1 1 calc R U . . .
C21' C -0.383(3) -0.703(4) -0.1054(16) 0.102(11) Uani 0.330(5) 1 d . . P B 2
H21D H -0.4020 -0.8252 -0.1179 0.153 Uiso 0.330(5) 1 calc R U P B 2
H21E H -0.4114 -0.6613 -0.0586 0.153 Uiso 0.330(5) 1 calc R U P B 2
H21F H -0.3115 -0.6929 -0.0890 0.153 Uiso 0.330(5) 1 calc R U P B 2
C2 C -0.0778(3) -0.2831(7) -0.0442(2) 0.0677(11) Uani 1 1 d . . . . .
H2A H -0.1328 -0.3337 -0.0240 0.102 Uiso 1 1 calc R U . . .
H2B H -0.0412 -0.2023 -0.0013 0.102 Uiso 1 1 calc R U . . .
H2C H -0.0340 -0.3772 -0.0541 0.102 Uiso 1 1 calc R U . . .
C8 C -0.1221(2) -0.2104(4) -0.38673(17) 0.0337(6) Uani 1 1 d . . . . .
C7 C -0.06821(19) -0.3382(4) -0.31156(17) 0.0305(6) Uani 1 1 d . . . . .
H7 H -0.0415 -0.4379 -0.3395 0.037 Uiso 1 1 calc R U . . .
C10 C -0.1329(2) -0.0186(4) -0.3542(2) 0.0419(7) Uani 1 1 d . . . . .
H10A H -0.1883 -0.0140 -0.3264 0.063 Uiso 1 1 calc R U . . .
H10B H -0.1450 0.0626 -0.4024 0.063 Uiso 1 1 calc R U . . .
H10C H -0.0722 0.0150 -0.3134 0.063 Uiso 1 1 calc R U . . .
C25 C 0.3159(3) -0.0851(6) -0.2120(4) 0.0771(14) Uani 1 1 d . . . . .
H25A H 0.3381 -0.1374 -0.1554 0.116 Uiso 1 1 calc R U . . .
H25B H 0.3488 0.0279 -0.2136 0.116 Uiso 1 1 calc R U . . .
H25C H 0.3321 -0.1637 -0.2547 0.116 Uiso 1 1 calc R U . . .
C23 C 0.1747(3) -0.4251(5) -0.3250(2) 0.0488(8) Uani 1 1 d . . . . .
H23A H 0.1318 -0.5281 -0.3360 0.073 Uiso 1 1 calc R U . . .
H23B H 0.2433 -0.4629 -0.3056 0.073 Uiso 1 1 calc R U . . .
H23C H 0.1674 -0.3566 -0.3773 0.073 Uiso 1 1 calc R U . . .
C9 C -0.0566(3) -0.2046(5) -0.4537(2) 0.0468(7) Uani 1 1 d . . . . .
H9A H 0.0107 -0.1706 -0.4254 0.070 Uiso 1 1 calc R U . . .
H9B H -0.0839 -0.1190 -0.4980 0.070 Uiso 1 1 calc R U . . .
H9C H -0.0557 -0.3207 -0.4794 0.070 Uiso 1 1 calc R U . . .
C27 C 0.1743(4) 0.0505(7) -0.1585(3) 0.0695(11) Uani 1 1 d . . . . .
H27A H 0.1026 0.0635 -0.1698 0.104 Uiso 1 1 calc R U . . .
H27B H 0.2050 0.1666 -0.1551 0.104 Uiso 1 1 calc R U . . .
H27C H 0.1978 -0.0113 -0.1045 0.104 Uiso 1 1 calc R U . . .
C22 C 0.1819(2) -0.3998(6) -0.1322(2) 0.0524(9) Uani 1 1 d . . . . .
H22A H 0.1564 -0.3373 -0.0888 0.079 Uiso 1 1 calc R U . . .
H22B H 0.2540 -0.4008 -0.1160 0.079 Uiso 1 1 calc R U . . .
H22C H 0.1573 -0.5205 -0.1369 0.079 Uiso 1 1 calc R U . . .
C3 C -0.1182(2) -0.1823(5) -0.12829(19) 0.0420(7) Uani 1 1 d . . . . .
H3 H -0.0607 -0.1376 -0.1492 0.050 Uiso 1 1 calc R U . . .
C26 C 0.1702(3) 0.0463(6) -0.3172(3) 0.0632(10) Uani 1 1 d . . . . .
H26A H 0.1798 -0.0282 -0.3640 0.095 Uiso 1 1 calc R U . . .
H26B H 0.2104 0.1524 -0.3146 0.095 Uiso 1 1 calc R U . . .
H26C H 0.1006 0.0789 -0.3267 0.095 Uiso 1 1 calc R U . . .
C24 C 0.2020(2) -0.0563(5) -0.2314(2) 0.0449(7) Uani 1 1 d . . . . .
C5 C -0.1316(2) -0.4228(4) -0.25320(17) 0.0320(6) Uani 1 1 d . . . . .
H5 H -0.1868 -0.4833 -0.2935 0.038 Uiso 1 1 calc R U . . .
C4 C -0.18356(18) -0.2962(5) -0.20096(17) 0.0342(6) Uani 1 1 d . . . . .
H4 H -0.2235 -0.2124 -0.2426 0.041 Uiso 1 1 calc R U . . .
C16' C -0.4261(14) -0.209(2) -0.2657(17) 0.055(5) Uani 0.330(5) 1 d . . P B 2
H16D H -0.4075 -0.2538 -0.3166 0.082 Uiso 0.330(5) 1 calc R U P B 2
H16E H -0.4002 -0.0902 -0.2535 0.082 Uiso 0.330(5) 1 calc R U P B 2
H16F H -0.4980 -0.2072 -0.2752 0.082 Uiso 0.330(5) 1 calc R U P B 2
C15 C -0.2983(3) -0.5513(6) -0.5014(2) 0.0537(9) Uani 1 1 d . . . . .
C14 C -0.3882(3) -0.4431(7) -0.5371(3) 0.0650(11) Uani 1 1 d . . . . .
H14 H -0.4499 -0.4996 -0.5565 0.078 Uiso 1 1 calc R U . . .
C13 C -0.3828(3) -0.2694(7) -0.5418(3) 0.0663(11) Uani 1 1 d . . . . .
H13 H -0.4394 -0.2052 -0.5695 0.080 Uiso 1 1 calc R U . . .
C12 C -0.2875(3) -0.1707(5) -0.5037(2) 0.0525(9) Uani 1 1 d . . . . .
H12A H -0.3027 -0.0542 -0.4830 0.063 Uiso 1 1 calc R U . . .
H12B H -0.2489 -0.1536 -0.5473 0.063 Uiso 1 1 calc R U . . .
loop_
_atom_type_symbol
_atom_type_description
_atom_type_scat_dispersion_real
_atom_type_scat_dispersion_imag
_atom_type_scat_source
C C 0.0181 0.0091 'International Tables Vol C Tables 4.2.6.8 and 6.1.1.4'
H H 0.0000 0.0000 'International Tables Vol C Tables 4.2.6.8 and 6.1.1.4'
O O 0.0492 0.0322 'International Tables Vol C Tables 4.2.6.8 and 6.1.1.4'
Si Si 0.2541 0.3302 'International Tables Vol C Tables 4.2.6.8 and 6.1.1.4'
loop_
_geom_angle_atom_site_label_1
_geom_angle_atom_site_label_2
_geom_angle_atom_site_label_3
_geom_angle
O2 Si2 C23 111.55(13)
O2 Si2 C22 111.12(13)
C23 Si2 C22 108.46(18)
O2 Si2 C24 106.22(13)
C23 Si2 C24 111.28(17)
C22 Si2 C24 108.17(18)
O1 Si1 C16 112.9(6)
O1 Si1 C17 110.9(3)
C16 Si1 C17 107.5(7)
O1 Si1 C18 103.59(19)
C16 Si1 C18 109.9(4)
C17 Si1 C18 112.1(4)
C20 C18 C21 107.6(7)
C20 C18 C19 110.6(6)
C21 C18 C19 110.9(5)
C20 C18 Si1 110.8(4)
C21 C18 Si1 110.1(4)
C19 C18 Si1 106.9(4)
O1 Si1' C18' 101.4(4)
O1 Si1' C16' 111.0(7)
C18' Si1' C16' 110.3(7)
O1 Si1' C17' 115.6(5)
C18' Si1' C17' 110.0(8)
C16' Si1' C17' 108.3(10)
C7 O2 Si2 133.44(17)
C21' C18' C19' 105(2)
C21' C18' C19 87.5(13)
C19' C18' C19 131.1(15)
C21' C18' Si1' 108.8(14)
C19' C18' Si1' 112.6(13)
C19 C18' Si1' 107.3(8)
C4 O1 Si1' 128.5(2)
C4 O1 Si1 128.34(18)
O3 C11 C12 109.8(2)
O3 C11 C8 107.4(2)
C12 C11 C8 115.8(3)
C15 O3 C11 118.8(3)
C9 C8 C11 110.3(2)
C9 C8 C10 108.7(3)
C11 C8 C10 108.2(3)
C9 C8 C7 107.1(2)
C11 C8 C7 110.5(2)
C10 C8 C7 112.1(2)
O2 C7 C5 111.2(2)
O2 C7 C8 108.0(2)
C5 C7 C8 118.3(2)
C2 C3 C1 109.0(3)
C2 C3 C4 114.3(3)
C1 C3 C4 109.5(3)
C27 C24 C25 109.9(4)
C27 C24 C26 110.0(4)
C25 C24 C26 108.4(4)
C27 C24 Si2 109.4(3)
C25 C24 Si2 108.2(3)
C26 C24 Si2 111.0(2)
C6 C5 C4 113.8(2)
C6 C5 C7 109.9(2)
C4 C5 C7 117.7(2)
O1 C4 C5 108.5(3)
O1 C4 C3 108.8(2)
C5 C4 C3 118.8(2)
O4 C15 O3 119.3(4)
O4 C15 C14 123.9(4)
O3 C15 C14 116.7(4)
C13 C14 C15 121.1(4)
C14 C13 C12 121.5(4)
C13 C12 C11 107.9(3)
loop_
_geom_bond_atom_site_label_1
_geom_bond_atom_site_label_2
_geom_bond_distance
Si2 O2 1.6480(19)
Si2 C23 1.871(3)
Si2 C22 1.875(3)
Si2 C24 1.898(3)
C19 C18 1.567(6)
C19 C18' 1.715(13)
Si1 O1 1.677(2)
Si1 C16 1.832(19)
Si1 C17 1.851(12)
Si1 C18 1.886(5)
C18 C20 1.501(12)
C18 C21 1.521(11)
Si1' O1 1.641(3)
Si1' C18' 1.822(14)
Si1' C16' 1.87(2)
Si1' C17' 1.880(14)
O2 C7 1.432(3)
C19' C18' 1.65(4)
C18' C21' 1.61(3)
O1 C4 1.432(3)
C11 O3 1.454(4)
C11 C12 1.517(4)
C11 C8 1.540(4)
O3 C15 1.345(4)
C1 C3 1.521(5)
O4 C15 1.205(5)
C6 C5 1.531(4)
C2 C3 1.519(5)
C8 C9 1.539(4)
C8 C10 1.542(4)
C8 C7 1.571(4)
C7 C5 1.541(4)
C25 C24 1.532(5)
C27 C24 1.523(6)
C3 C4 1.541(4)
C26 C24 1.533(6)
C5 C4 1.535(4)
C15 C14 1.471(6)
C14 C13 1.304(7)
C13 C12 1.498(6)
