CF2H, a Hydrogen Bond Donor.
Sessler, Chanan D.; Rahm, Martin; Becker, Sabine; Goldberg, Jacob M.; Wang, Fang; Lippard, Stephen J.; Journal of the American Chemical Society  (2017) –; doi:10.1021/jacs.7b04457

data_4126240
_publ_section_title
;
 CF2H, a Hydrogen Bond Donor.
;
_journal_name_full               'Journal of the American Chemical Society'
_journal_paper_doi               10.1021/jacs.7b04457
_journal_year                    2017
_chemical_formula_sum            'C14 H12 F2 O'
_chemical_formula_weight         234.24
_chemical_name_common            5-CF2H
_space_group_crystal_system      monoclinic
_space_group_IT_number           14
_space_group_name_Hall           '-P 2ybc'
_space_group_name_H-M_alt        'P 1 21/c 1'
_symmetry_space_group_name_Hall  '-P 2ybc'
_symmetry_space_group_name_H-M   'P 1 21/c 1'
_atom_sites_solution_hydrogens   mixed
_audit_creation_method           SHELXL-2016/6
_cell_angle_alpha                90
_cell_angle_beta                 103.7140(10)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   14.4147(11)
_cell_length_b                   10.6790(8)
_cell_length_c                   7.5441(6)
_cell_measurement_reflns_used    9936
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      30.62
_cell_measurement_theta_min      2.40
_cell_volume                     1128.19(15)
_computing_cell_refinement       'Bruker SAINT'
_computing_data_collection       'Bruker APEX2'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'ShelXle (Huebschle, 2014)'
_computing_publication_material  Ortep
_computing_structure_refinement  'SHELXL-2016/6 (Sheldrick, 2016)'
_computing_structure_solution    'SHELXT 2014/5 (Sheldrick, 2014)'
_diffrn_ambient_temperature      100(2)
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 0.955
_diffrn_measurement_device_type  'Bruker APEX-II CCD'
_diffrn_measurement_method       '\f and \w scans'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0264
_diffrn_reflns_av_unetI/netI     0.0149
_diffrn_reflns_Laue_measured_fraction_full 1.000
_diffrn_reflns_Laue_measured_fraction_max 0.955
_diffrn_reflns_limit_h_max       20
_diffrn_reflns_limit_h_min       -20
_diffrn_reflns_limit_k_max       14
_diffrn_reflns_limit_k_min       -15
_diffrn_reflns_limit_l_max       10
_diffrn_reflns_limit_l_min       -10
_diffrn_reflns_number            24098
_diffrn_reflns_point_group_measured_fraction_full 1.000
_diffrn_reflns_point_group_measured_fraction_max 0.955
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         30.905
_diffrn_reflns_theta_min         1.454
_diffrn_source                   'sealed tube'
_exptl_absorpt_coefficient_mu    0.108
_exptl_absorpt_correction_T_max  0.7461
_exptl_absorpt_correction_T_min  0.7038
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'Blessing, 1993'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.379
_exptl_crystal_density_meas      ?
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             488
_exptl_crystal_size_max          0.400
_exptl_crystal_size_mid          0.300
_exptl_crystal_size_min          0.300
_refine_diff_density_max         0.451
_refine_diff_density_min         -0.292
_refine_diff_density_rms         0.055
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.037
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     158
_refine_ls_number_reflns         3407
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.037
_refine_ls_R_factor_all          0.0433
_refine_ls_R_factor_gt           0.0385
_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/[\s^2^(Fo^2^)+(0.0566P)^2^+0.4180P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1015
_refine_ls_wR_factor_ref         0.1064
_reflns_Friedel_coverage         0.000
_reflns_number_gt                3042
_reflns_number_total             3407
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            ja7b04457_si_002.cif
_cod_data_source_block           5-CF2H
_cod_depositor_comments
;
The following automatic conversions were performed:

'_exptl_crystal_density_meas' value 'not measured' was changed to '?'
- the value is perceived as not measured.

Automatic conversion script
Id: cif_fix_values 4973 2017-02-22 13:04:09Z antanas 
;
_cod_database_code               4126240
_shelx_shelxl_version_number     2016/6
_shelx_estimated_absorpt_t_min   0.958
_shelx_estimated_absorpt_t_max   0.968
_shelx_res_checksum              9354
_shelx_hkl_checksum              35573