A comparison of hydrogen release kinetics from 5- and 6-membered 1,2-BN-cycloalkanes
Giustra, Zachary X.; Chen, Gang; Vasiliu, Monica; Karkamkar, Abhijeet; Autrey, Tom; Dixon, David A.; Liu, Shih-Yuan; RSC Advances 11 (2021) 34132–34136; doi:10.1039/D1RA07477F

data_7244012
_publ_section_title
;
 A comparison of hydrogen release kinetics from 5- and 6-membered
 1,2-BN-cycloalkanes
;
_journal_issue                   54
_journal_name_full               'RSC Advances'
_journal_page_first              34132
_journal_page_last               34136
_journal_paper_doi               10.1039/D1RA07477F
_journal_volume                  11
_journal_year                    2021
_chemical_absolute_configuration unk
_chemical_formula_moiety         'C6 H16 B N'
_chemical_formula_sum            'C6 H16 B N'
_chemical_formula_weight         113.01
_space_group_crystal_system      orthorhombic
_space_group_IT_number           33
_space_group_name_Hall           'P 2c -2n'
_space_group_name_H-M_alt        'P n a 21'
_atom_sites_solution_hydrogens   mixed
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-2014
_audit_update_record
;
2021-08-16 deposited with the CCDC.	2021-10-12 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   9.5116(14)
_cell_length_b                   12.6484(18)
_cell_length_c                   6.5253(9)
_cell_measurement_reflns_used    8070
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      28.41
_cell_measurement_theta_min      2.68
_cell_volume                     785.04(19)
_computing_cell_refinement       'SAINT (Bruker, 2014)'
_computing_data_collection       'APEX2 (Bruker, 2014)'
_computing_data_reduction        'SAINT (Bruker, 2014)'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-2014 (Sheldrick, 2014)'
_computing_structure_solution    'SHELXL-2014 (Sheldrick, 2014)'
_diffrn_ambient_temperature      100(2)
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device_type  'Bruker Kappa DUO CCD diffractometer'
_diffrn_measurement_method       '\f and \w scans'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0228
_diffrn_reflns_av_unetI/netI     0.0131
_diffrn_reflns_Laue_measured_fraction_full 1.000
_diffrn_reflns_Laue_measured_fraction_max 0.998
_diffrn_reflns_limit_h_max       12
_diffrn_reflns_limit_h_min       -12
_diffrn_reflns_limit_k_max       16
_diffrn_reflns_limit_k_min       -16
_diffrn_reflns_limit_l_max       8
_diffrn_reflns_limit_l_min       -8
_diffrn_reflns_number            14886
_diffrn_reflns_point_group_measured_fraction_full 1.000
_diffrn_reflns_point_group_measured_fraction_max 0.996
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         28.513
_diffrn_reflns_theta_min         2.679
_diffrn_source                   'fine-focus sealed tube'
_exptl_absorpt_coefficient_mu    0.054
_exptl_absorpt_correction_T_max  0.7457
_exptl_absorpt_correction_T_min  0.6957
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
Sheldrick, G.M. (2013). SADABS. Bruker AXS Inc. Madison, WI USA.
;
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    0.956
_exptl_crystal_density_meas      ?
_exptl_crystal_density_method    none
_exptl_crystal_description       cube
_exptl_crystal_F_000             256
_exptl_crystal_size_max          0.450
_exptl_crystal_size_mid          0.380
_exptl_crystal_size_min          0.320
_refine_diff_density_max         0.301
_refine_diff_density_min         -0.126
_refine_diff_density_rms         0.033
_refine_ls_abs_structure_details
;
 Flack x determined using 863 quotients [(I+)-(I-)]/[(I+)+(I-)]
 (Parsons, Flack and Wagner, Acta Cryst. B69 (2013) 249-259).
;
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.088
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     79
_refine_ls_number_reflns         1988
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.088
_refine_ls_R_factor_all          0.0338
_refine_ls_R_factor_gt           0.0325
_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^)+(0.0587P)^2^+0.0622P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0899
_refine_ls_wR_factor_ref         0.0912
_reflns_Friedel_coverage         0.839
_reflns_Friedel_fraction_full    1.000
_reflns_Friedel_fraction_max     0.993
_reflns_number_gt                1925
_reflns_number_total             1988
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d1ra07477f2.cif
_cod_data_source_block           C6H16BN
_cod_depositor_comments
;
The following automatic conversions were performed:

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

Automatic conversion script
Id: cif_fix_values 7556 2019-12-06 15:28:31Z antanas 
;
_cod_database_code               7244012
_shelx_estimated_absorpt_t_min   0.976
_shelx_estimated_absorpt_t_max   0.983
_shelxl_version_number           2014-3
_shelx_res_checksum              21426