Highly-functionalised difluorinated (hydroxymethyl)conduritol analogues via the Diels-Alder reactions of a difluorinated dienophile.
Arany, Andrea; Crowley, Patrick J.; Fawcett, John; Hursthouse, Michael B.; Kariuki, Benson M.; Light, Mark E.; Moralee, Andrew C.; Percy, Jonathan M.; Salafia, Vittoria; Organic & biomolecular chemistry 2 (2004) 455–465; doi:10.1039/b314314g

data_7150340
_publ_section_title
;
 Highly-functionalised difluorinated (hydroxymethyl)conduritol
 analogues via the Diels-Alder reactions of a difluorinated dienophile.
;
_journal_issue                   4
_journal_name_full               'Organic &amp; biomolecular chemistry'
_journal_page_first              455
_journal_page_last               465
_journal_paper_doi               10.1039/b314314g
_journal_volume                  2
_journal_year                    2004
_chemical_formula_moiety         'C11 H16 F2 O3'
_chemical_formula_sum            'C11 H16 F2 O3'
_chemical_formula_weight         234.24
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2yn'
_symmetry_space_group_name_H-M   'P 1 21/n 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                 98.998(10)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   9.8294(12)
_cell_length_b                   8.3435(13)
_cell_length_c                   13.9113(16)
_cell_measurement_reflns_used    1818
_cell_measurement_temperature    200(2)
_cell_measurement_theta_max      28.7
_cell_measurement_theta_min      2.75
_cell_volume                     1126.8(3)
_computing_cell_refinement       'MSC Software'
_computing_data_collection       'MSC Software'
_computing_data_reduction        'MSC Software'
_computing_structure_refinement  SHELXL97
_computing_structure_solution    SHELXS86
_diffrn_ambient_temperature      200(2)
_diffrn_measured_fraction_theta_full 0.900
_diffrn_measured_fraction_theta_max 0.900
_diffrn_measurement_device_type  'Rigaku R-axis IIc Image plate'
_diffrn_measurement_method       'Image plate slices'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'Rotating anode'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71069
_diffrn_reflns_av_R_equivalents  0.0792
_diffrn_reflns_av_sigmaI/netI    0.0798
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       -11
_diffrn_reflns_limit_k_max       11
_diffrn_reflns_limit_k_min       -11
_diffrn_reflns_limit_l_max       18
_diffrn_reflns_limit_l_min       -18
_diffrn_reflns_number            8756
_diffrn_reflns_theta_full        28.70
_diffrn_reflns_theta_max         28.70
_diffrn_reflns_theta_min         2.75
_exptl_absorpt_coefficient_mu    0.120
_exptl_absorpt_correction_T_max  0.9650
_exptl_absorpt_correction_T_min  0.9537
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            clear
_exptl_crystal_density_diffrn    1.381
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             496
_exptl_crystal_size_max          0.40
_exptl_crystal_size_mid          0.30
_exptl_crystal_size_min          0.30
_refine_diff_density_max         0.355
_refine_diff_density_min         -0.432
_refine_diff_density_rms         0.076
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.011
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     152
_refine_ls_number_reflns         2615
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.011
_refine_ls_R_factor_all          0.0860
_refine_ls_R_factor_gt           0.0646
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.1341P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1743
_refine_ls_wR_factor_ref         0.2216
_reflns_number_gt                1818
_reflns_number_total             2615
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            b314314g.txt
_cod_data_source_block           31
_cod_depositor_comments
;
The following automatic conversions were performed:
'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
according to '/home/saulius/struct/CIF-dictionaries/cif_core.dic'
dictionary named 'cif_core.dic' version 2.4.1 from 2010-06-29.

Automatic conversion script
Id: cif_fix_enum 1527 2010-12-29 10:47:43Z saulius 
;
_cod_original_sg_symbol_H-M      P21/n
_cod_database_code               7150340