Hyperconjugation involving strained carbon-carbon bonds. Application of the variable oxygen probe to ester and ether derivatives of cubylmethanol.
Harris, Benjamin; Savage, G. Paul; White, Jonathan M.; Organic & biomolecular chemistry 11 (2013) 3151–3158; doi:10.1039/c3ob40288f

data_7152909
_publ_section_title
;
 Hyperconjugation involving strained carbon-carbon bonds. Application of
 the variable oxygen probe to ester and ether derivatives of
 cubylmethanol.
;
_journal_issue                   19
_journal_name_full               'Organic &amp; biomolecular chemistry'
_journal_page_first              3151
_journal_page_last               3158
_journal_paper_doi               10.1039/c3ob40288f
_journal_volume                  11
_journal_year                    2013
_chemical_formula_sum            'C11 H12 O3'
_chemical_formula_weight         192.21
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2ybc'
_symmetry_space_group_name_H-M   'P 1 21/c 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                90.00
_cell_angle_beta                 91.859(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            8
_cell_length_a                   8.6179(3)
_cell_length_b                   7.0392(3)
_cell_length_c                   30.2576(10)
_cell_measurement_reflns_used    3867
_cell_measurement_temperature    130.0(2)
_cell_measurement_theta_max      72.9175
_cell_measurement_theta_min      2.9200
_cell_volume                     1834.55(12)
_computing_cell_refinement
;
CrysAlisPro, Oxford Diffraction Ltd.,
Version 1.171.33.55 (release 05-01-2010 CrysAlis171 .NET)
(compiled Jan 5 2010,16:28:46)
;
_computing_data_collection
;
CrysAlisPro, Oxford Diffraction Ltd.,
Version 1.171.33.55 (release 05-01-2010 CrysAlis171 .NET)
(compiled Jan 5 2010,16:28:46)
;
_computing_data_reduction
;
CrysAlisPro, Oxford Diffraction Ltd.,
Version 1.171.33.55 (release 05-01-2010 CrysAlis171 .NET)
(compiled Jan 5 2010,16:28:46)
;
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      130.0(2)
_diffrn_measured_fraction_theta_full 0.975
_diffrn_measured_fraction_theta_max 0.975
_diffrn_measurement_device_type  'Xcalibur, Sapphire3'
_diffrn_measurement_method       '\w scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'Enhance (Cu) X-ray Source'
_diffrn_radiation_type           'Cu K\a'
_diffrn_radiation_wavelength     1.5418
_diffrn_reflns_av_R_equivalents  0.0216
_diffrn_reflns_av_sigmaI/netI    0.0244
_diffrn_reflns_limit_h_max       10
_diffrn_reflns_limit_h_min       -7
_diffrn_reflns_limit_k_max       8
_diffrn_reflns_limit_k_min       -7
_diffrn_reflns_limit_l_max       36
_diffrn_reflns_limit_l_min       -37
_diffrn_reflns_number            7121
_diffrn_reflns_theta_full        73.07
_diffrn_reflns_theta_max         73.07
_diffrn_reflns_theta_min         2.92
_exptl_absorpt_coefficient_mu    0.832
_exptl_absorpt_correction_T_max  1.00000
_exptl_absorpt_correction_T_min  0.93211
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
CrysAlisPro, Oxford Diffraction Ltd.,
Version 1.171.33.55 (release 05-01-2010 CrysAlis171 .NET)
(compiled Jan 5 2010,16:28:46)
Empirical absorption correction using spherical harmonics,
implemented in SCALE3 ABSPACK scaling algorithm.
;
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.392
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             816
_exptl_crystal_size_max          0.4035
_exptl_crystal_size_mid          0.2470
_exptl_crystal_size_min          0.1040
_refine_diff_density_max         0.365
_refine_diff_density_min         -0.320
_refine_diff_density_rms         0.065
_refine_ls_extinction_coef       0.0020(4)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     SHELXL
_refine_ls_goodness_of_fit_ref   1.118
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     262
_refine_ls_number_reflns         3586
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.118
_refine_ls_R_factor_all          0.0523
_refine_ls_R_factor_gt           0.0444
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0969P)^2^+0.1601P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1315
_refine_ls_wR_factor_ref         0.1491
_reflns_number_gt                2989
_reflns_number_total             3586
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c3ob40288f.txt
_cod_data_source_block           shelxl11a
_cod_database_code               7152909