Hydrogen Tunneling above Room Temperature Evidenced by Infrared Ion Spectroscopy.
Schäfer, Mathias; Peckelsen, Katrin; Paul, Mathias; Martens, Jonathan; Oomens, Jos; Berden, Giel; Berkessel, Albrecht; Meijer, Anthony J. H. M.; Journal of the American Chemical Society 139 (2017) 5779–5786; doi:10.1021/jacs.6b10348

data_4126125
_publ_section_title
;
 Hydrogen Tunneling above Room Temperature Evidenced by Infrared Ion
 Spectroscopy.
;
_journal_issue                   16
_journal_name_full               'Journal of the American Chemical Society'
_journal_page_first              5779
_journal_page_last               5786
_journal_paper_doi               10.1021/jacs.6b10348
_journal_volume                  139
_journal_year                    2017
_chemical_formula_moiety         'C10 H11 N O3'
_chemical_formula_sum            'C10 H11 N O3'
_chemical_formula_weight         193.20
_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-2014/7
_cell_angle_alpha                90
_cell_angle_beta                 91.5650(10)
_cell_angle_gamma                90
_cell_formula_units_Z            8
_cell_length_a                   20.0813(6)
_cell_length_b                   7.5198(2)
_cell_length_c                   12.1237(3)
_cell_measurement_temperature    100(2)
_cell_volume                     1830.09(9)
_computing_cell_refinement       'Bruker APEX 2'
_computing_data_collection       'Bruker APEX 2'
_computing_data_reduction        'Bruker APEX 2'
_computing_molecular_graphics    'SCHAKAL99 (E. Keller 1999)'
_computing_publication_material  'PLATON (A. L. Spek 1980-2015)'
_computing_structure_refinement  'SHELXL-2014/7 (Sheldrick, 2014)'
_computing_structure_solution    'SHELXt  (Sheldrick, 2015)'
_diffrn_ambient_temperature      100(2)
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.997
_diffrn_measurement_device_type  'Bruker D8'
_diffrn_measurement_method       'phi / omega scans'
_diffrn_radiation_type           CuK\a
_diffrn_radiation_wavelength     1.54178
_diffrn_reflns_av_R_equivalents  0.0311
_diffrn_reflns_av_unetI/netI     0.0145
_diffrn_reflns_Laue_measured_fraction_full 0.998
_diffrn_reflns_Laue_measured_fraction_max 0.997
_diffrn_reflns_limit_h_max       24
_diffrn_reflns_limit_h_min       -24
_diffrn_reflns_limit_k_max       9
_diffrn_reflns_limit_k_min       -9
_diffrn_reflns_limit_l_max       14
_diffrn_reflns_limit_l_min       -13
_diffrn_reflns_number            49049
_diffrn_reflns_point_group_measured_fraction_full 0.998
_diffrn_reflns_point_group_measured_fraction_max 0.997
_diffrn_reflns_theta_full        67.679
_diffrn_reflns_theta_max         72.191
_diffrn_reflns_theta_min         4.405
_diffrn_source                   'micro focus'
_exptl_absorpt_coefficient_mu    0.870
_exptl_absorpt_correction_T_max  0.7536
_exptl_absorpt_correction_T_min  0.6085
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'Bruker SADABS'
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.402
_exptl_crystal_description       prism
_exptl_crystal_F_000             816
_exptl_crystal_size_max          0.300
_exptl_crystal_size_mid          0.200
_exptl_crystal_size_min          0.070
_refine_diff_density_max         0.426
_refine_diff_density_min         -0.473
_refine_diff_density_rms         0.165
_refine_ls_extinction_coef       0.0141(7)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     'SHELXL-2014/7 (Sheldrick 2014)'
_refine_ls_goodness_of_fit_ref   1.148
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     266
_refine_ls_number_reflns         3606
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.148
_refine_ls_R_factor_all          0.0388
_refine_ls_R_factor_gt           0.0354
_refine_ls_shift/su_max          0.006
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0585P)^2^+0.6034P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0949
_refine_ls_wR_factor_ref         0.1038
_reflns_Friedel_coverage         0.000
_reflns_number_gt                3481
_reflns_number_total             3606
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            ja6b10348_si_003.cif
_cod_data_source_block           map289
_cod_depositor_comments
;
The following automatic conversions were performed:

'_exptl_absorpt_correction_type' value 'multiscan' changed to
'multi-scan' according to
/home/data/users/saulius/crontab/automatic-downloads/current/ACS/lib/dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 from 2011-04-26.

Automatic conversion script
Id: cif_fix_values 4973 2017-02-22 13:04:09Z antanas 
;
_cod_database_code               4126125
_shelx_shelxl_version_number     2014/7
_shelx_estimated_absorpt_t_min   0.780
_shelx_estimated_absorpt_t_max   0.942
_shelx_res_checksum              3899
_shelx_hkl_checksum              70707