A Dynamic Picture of the Halolactonization Reaction through a Combination of ab-initio Metadynamics and Experimental Investigations .
Van Lommel, Ruben; Bock, Jonathan; Daniliuc, Constantin; Hennecke, Ulrich; De Proft, Frank; Chemical Science  (2021) –; doi:10.1039/D1SC01014J

data_1562128
_publ_section_title
;
 A Dynamic Picture of the Halolactonization Reaction through a Combination
 of ab-initio Metadynamics and Experimental Investigations .
;
_journal_name_full               'Chemical Science'
_journal_paper_doi               10.1039/D1SC01014J
_journal_year                    2021
_chemical_formula_sum            'C12 H11 Br O2'
_chemical_formula_weight         267.12
_space_group_crystal_system      triclinic
_space_group_IT_number           2
_space_group_name_Hall           '-P 1'
_space_group_name_H-M_alt        'P -1'
_atom_sites_solution_hydrogens   geom
_audit_creation_method           'APEX3 v2016.1-0'
_audit_update_record
;
2021-01-14 deposited with the CCDC.	2021-04-23 downloaded from the CCDC.
;
_cell_angle_alpha                69.1250(10)
_cell_angle_beta                 76.7640(10)
_cell_angle_gamma                65.2120(10)
_cell_formula_units_Z            2
_cell_length_a                   8.3537(2)
_cell_length_b                   8.5198(2)
_cell_length_c                   8.8355(3)
_cell_measurement_reflns_used    7218
_cell_measurement_temperature    100.(2)
_cell_measurement_theta_max      27.5132
_cell_measurement_theta_min      2.4780
_cell_volume                     531.08(3)
_computing_cell_refinement       'SAINT V8.37A (Bruker AXS Inc., 2015)'
_computing_data_collection
;

APEX3 v2016.1-0 (Bruker AXS Inc., 2016)
;
_computing_data_reduction        'SAINT V8.37A (Bruker AXS Inc., 2015)'
_computing_molecular_graphics    'XP (Sheldrick, 2014)'
_computing_publication_material  'SHELXL-2014/7 (Sheldrick, 2014)'
_computing_structure_refinement  'SHELXL-2014/7 (Sheldrick, 2014)'
_computing_structure_solution    'SHELXL-2014/7 (Sheldrick, 2014)'
_diffrn_ambient_temperature      100.(2)
_diffrn_detector_area_resol_mean 7.3910
_diffrn_measured_fraction_theta_full 0.988
_diffrn_measured_fraction_theta_max 0.988
_diffrn_measurement_device_type  'Bruker D8 Venture PHOTON 100 CMOS'
_diffrn_measurement_method       'omega and phi scans'
_diffrn_radiation_monochromator  'MX mirror'
_diffrn_radiation_type           'Mo K\a'
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0158
_diffrn_reflns_av_unetI/netI     0.0140
_diffrn_reflns_limit_h_max       10
_diffrn_reflns_limit_h_min       -10
_diffrn_reflns_limit_k_max       10
_diffrn_reflns_limit_k_min       -11
_diffrn_reflns_limit_l_max       11
_diffrn_reflns_limit_l_min       -11
_diffrn_reflns_number            9320
_diffrn_reflns_theta_full        27.51
_diffrn_reflns_theta_max         27.51
_diffrn_reflns_theta_min         2.48
_diffrn_source                   'Mo ImS'
_diffrn_source_type              'micro focus tube'
_exptl_absorpt_coefficient_mu    3.845
_exptl_absorpt_correction_T_max  0.57
_exptl_absorpt_correction_T_min  0.53
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
Bruker AXS (2014). SADABS, Version 2014/5, Bruker AXS Inc., Madison, Wisconsin,
USA.
;
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.670
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             268
_exptl_crystal_size_max          0.278
_exptl_crystal_size_mid          0.180
_exptl_crystal_size_min          0.165
_refine_diff_density_max         0.360
_refine_diff_density_min         -0.223
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.050
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     136
_refine_ls_number_reflns         2413
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.050
_refine_ls_R_factor_all          0.0165
_refine_ls_R_factor_gt           0.0156
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0139P)^2^+0.2965P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0373
_refine_ls_wR_factor_ref         0.0376
_reflns_number_gt                2333
_reflns_number_total             2413
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d1sc01014j3.cif
_cod_data_source_block           dan9755
_cod_database_code               1562128
_shelx_res_checksum              47212
_shelx_hkl_checksum              78852