Enantioselective Reformatsky reaction of ethyl iododifluoroacetate with ketones.
Fornalczyk, Michal; Singh, Kuldip; Stuart, Alison M.; Organic & biomolecular chemistry 10 (2012) 3332–3342; doi:10.1039/c2ob25081k

data_7152290
_publ_section_title
;
 Enantioselective Reformatsky reaction of ethyl iododifluoroacetate with
 ketones.
;
_journal_issue                   16
_journal_name_full               'Organic &amp; biomolecular chemistry'
_journal_page_first              3332
_journal_page_last               3342
_journal_paper_doi               10.1039/c2ob25081k
_journal_volume                  10
_journal_year                    2012
_chemical_formula_moiety         'C13 H14 F2 O3'
_chemical_formula_sum            'C13 H14 F2 O3'
_chemical_formula_weight         256.24
_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                 101.806(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            8
_cell_length_a                   12.556(2)
_cell_length_b                   14.418(3)
_cell_length_c                   13.450(2)
_cell_measurement_reflns_used    980
_cell_measurement_temperature    150(2)
_cell_measurement_theta_max      26.336
_cell_measurement_theta_min      2.178
_cell_volume                     2383.4(7)
_computing_cell_refinement       'Bruker SMART'
_computing_data_collection       'Bruker SMART'
_computing_data_reduction        'Bruker SHELXTL'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      150(2)
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.999
_diffrn_measurement_device_type  'Bruker Apex 2000 CCD area detector'
_diffrn_measurement_method       'phi and omega scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.1454
_diffrn_reflns_av_sigmaI/netI    0.0986
_diffrn_reflns_limit_h_max       15
_diffrn_reflns_limit_h_min       -15
_diffrn_reflns_limit_k_max       17
_diffrn_reflns_limit_k_min       -17
_diffrn_reflns_limit_l_max       16
_diffrn_reflns_limit_l_min       -16
_diffrn_reflns_number            18192
_diffrn_reflns_theta_full        26.00
_diffrn_reflns_theta_max         26.00
_diffrn_reflns_theta_min         1.66
_exptl_absorpt_coefficient_mu    0.120
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.428
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1072
_exptl_crystal_size_max          0.27
_exptl_crystal_size_mid          0.20
_exptl_crystal_size_min          0.10
_refine_diff_density_max         0.321
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_refine_ls_R_factor_all          0.0894
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_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^)+(0.0326P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1198
_refine_ls_wR_factor_ref         0.1317
_reflns_number_gt                3369
_reflns_number_total             4684
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c2ob25081k.txt
_cod_data_source_block           08013
_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_values 1715 2011-07-08 13:25:40Z adriana 
;
_cod_original_cell_volume        2383.6(7)
_cod_original_sg_symbol_H-M      P2(1)/c
_cod_database_code               7152290