Bis-BN Cyclohexane: A Remarkably Kinetically Stable Chemical Hydrogen Storage Material.
Chen, Gang; Zakharov, Lev N.; Bowden, Mark E.; Karkamkar, Abhijeet J.; Whittemore, Sean M.; Garner, 3rd, Edward B; Mikulas, Tanya C.; Dixon, David A.; Autrey, Tom; Liu, Shih-Yuan; Journal of the American Chemical Society 137 (2015) 134–137; doi:10.1021/ja511766p

data_4123179
_publ_section_title
;
 Bis-BN Cyclohexane: A Remarkably Kinetically Stable Chemical Hydrogen
 Storage Material.
;
_journal_issue                   1
_journal_name_full               'Journal of the American Chemical Society'
_journal_page_first              134
_journal_page_last               137
_journal_paper_doi               10.1021/ja511766p
_journal_volume                  137
_journal_year                    2015
_chemical_formula_sum            'C4 H14 B4 N4'
_chemical_formula_weight         161.43
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           15
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-C 2yc'
_symmetry_space_group_name_H-M   'C 1 2/c 1'
_atom_sites_solution_hydrogens   difmap
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXTL
_cell_angle_alpha                90.00
_cell_angle_beta                 90.536(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   7.5022(7)
_cell_length_b                   11.7006(11)
_cell_length_c                   10.0035(9)
_cell_measurement_reflns_used    4811
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      36.39
_cell_measurement_theta_min      3.23
_cell_volume                     878.07(14)
_computing_cell_refinement       'Bruker SAINT'
_computing_data_collection       'Bruker APEX2'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      100(2)
_diffrn_measured_fraction_theta_full 0.995
_diffrn_measured_fraction_theta_max 0.995
_diffrn_measurement_device_type  'Bruker APEX-II CCD'
_diffrn_measurement_method       '\f and \w scans'
_diffrn_radiation_monochromator  mirror
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0225
_diffrn_reflns_av_sigmaI/netI    0.0206
_diffrn_reflns_limit_h_max       12
_diffrn_reflns_limit_h_min       -11
_diffrn_reflns_limit_k_max       19
_diffrn_reflns_limit_k_min       -17
_diffrn_reflns_limit_l_max       15
_diffrn_reflns_limit_l_min       -16
_diffrn_reflns_number            8087
_diffrn_reflns_theta_full        36.43
_diffrn_reflns_theta_max         36.43
_diffrn_reflns_theta_min         3.23
_exptl_absorpt_coefficient_mu    0.073
_exptl_absorpt_correction_T_max  0.9899
_exptl_absorpt_correction_T_min  0.9771
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   SADABS
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.221
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             344
_exptl_crystal_size_max          0.32
_exptl_crystal_size_mid          0.28
_exptl_crystal_size_min          0.14
_refine_diff_density_max         0.442
_refine_diff_density_min         -0.231
_refine_diff_density_rms         0.055
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.094
_refine_ls_hydrogen_treatment    refall
_refine_ls_matrix_type           full
_refine_ls_number_parameters     87
_refine_ls_number_reflns         2144
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.094
_refine_ls_R_factor_all          0.0374
_refine_ls_R_factor_gt           0.0327
_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^)+(0.0546P)^2^+0.1886P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0920
_refine_ls_wR_factor_ref         0.0962
_reflns_number_gt                1882
_reflns_number_total             2144
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ja511766p_si_005.cif
_cod_data_source_block           liu202
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
according to
/home/saulius/struct/COD-crude-data--automatic-downloads/rss-feeds/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 2935 2014-11-11 08:27:57Z andrius 

 Adding full bibliography for 4123178--4123181.cif.
;
_cod_original_sg_symbol_H-M      C2/c
_cod_database_code               4123179