Syntheses, formation mechanisms and structures of a series of linear diborazanes
Li, Huizhen; Wang, Ruirui; Kang, Jiaxin; Li, Shujun; Zhou, Ai-Ju; Han, Dong-xue; Guan, Hong-Yu; Austin, Douglas J.; Yue, Yanfeng; CrystEngComm 23 (2021) 404–410; doi:10.1039/D0CE01196G

data_7241641
_publ_section_title
;
 Syntheses, formation mechanisms and structures of a series of linear
 diborazanes
;
_journal_issue                   2
_journal_name_full               CrystEngComm
_journal_page_first              404
_journal_page_last               410
_journal_paper_doi               10.1039/D0CE01196G
_journal_volume                  23
_journal_year                    2021
_chemical_formula_sum            'C H12 B2 N2'
_chemical_formula_weight         73.74
_space_group_crystal_system      monoclinic
_space_group_IT_number           11
_space_group_name_Hall           '-P 2yb'
_space_group_name_H-M_alt        'P 1 21/m 1'
_atom_sites_solution_hydrogens   difmap
_audit_update_record
;
2018-06-15 deposited with the CCDC.	2020-11-16 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 91.847(10)
_cell_angle_gamma                90
_cell_formula_units_Z            2
_cell_length_a                   4.9595(15)
_cell_length_b                   7.185(3)
_cell_length_c                   7.507(3)
_cell_measurement_reflns_used    956
_cell_measurement_temperature    103.(2)
_cell_measurement_theta_max      26.2585
_cell_measurement_theta_min      2.7146
_cell_volume                     267.37(17)
_computing_cell_refinement       'SAINT V8.34A (Bruker AXS Inc., 2013)'
_computing_data_collection       'APEX3 (Bruker AXS Inc., 2015)'
_computing_data_reduction        'SAINT V8.34A (Bruker AXS Inc., 2013)'
_computing_molecular_graphics    'XP (Bruker AXS Inc., 2015)'
_computing_publication_material  'APEX3 (Bruker AXS Inc., 2015)'
_computing_structure_refinement  'SHELXL-2014/7 (Sheldrick, 2014)'
_computing_structure_solution    'XT, VERSION 2014/4'
_diffrn_ambient_temperature      103.(2)
_diffrn_detector_area_resol_mean 8.3333
_diffrn_measured_fraction_theta_full 0.986
_diffrn_measured_fraction_theta_max 0.986
_diffrn_measurement_device_type  'CCD area detector'
_diffrn_measurement_method       'phi and omega scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0385
_diffrn_reflns_av_unetI/netI     0.0346
_diffrn_reflns_limit_h_max       4
_diffrn_reflns_limit_h_min       -6
_diffrn_reflns_limit_k_max       8
_diffrn_reflns_limit_k_min       -8
_diffrn_reflns_limit_l_max       9
_diffrn_reflns_limit_l_min       -8
_diffrn_reflns_number            3004
_diffrn_reflns_theta_full        26.31
_diffrn_reflns_theta_max         26.31
_diffrn_reflns_theta_min         2.71
_diffrn_source                   'fine-focus sealed tube'
_diffrn_source_type              'Bruker KappaCCD'
_exptl_absorpt_coefficient_mu    0.053
_exptl_absorpt_correction_T_max  1.00
_exptl_absorpt_correction_T_min  0.74
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
SADABS-2014/5 - Bruker AXS area detector scaling and absorption correction
;
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    0.916
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             84
_exptl_crystal_size_max          0.420
_exptl_crystal_size_mid          0.300
_exptl_crystal_size_min          0.060
_refine_diff_density_max         0.301
_refine_diff_density_min         -0.196
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.093
_refine_ls_hydrogen_treatment    refall
_refine_ls_matrix_type           full
_refine_ls_number_parameters     57
_refine_ls_number_reflns         578
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.093
_refine_ls_R_factor_all          0.0574
_refine_ls_R_factor_gt           0.0479
_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^)+(0.0591P)^2^+0.0926P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1230
_refine_ls_wR_factor_ref         0.1288
_reflns_number_gt                494
_reflns_number_total             578
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d0ce01196g2.cif
_cod_data_source_block           I
_cod_depositor_comments
;
The following automatic conversions were performed:

data item '_exptl_absorpt_correction_type' value 'Multi-Scan' was
changed to 'multi-scan' in accordance with the
/home/data/users/saulius/crontab/automatic-downloads/rss-feeds/RSC/lib/dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 last updated on
2011-04-26.

Automatic conversion script
Id: cif_fix_values 7556 2019-12-06 15:28:31Z antanas 

 Adding full bibliography for 7241641--7241647.cif.

2025-04-02
Z value and formula fixed to values more according to usual
chemical conventions.                 miguel
;
_cod_original_formula_sum            'C2 H24 B4 N4'
_cod_original_formula_weight         147.49
_cod_original_formula_units_Z            1
_cod_original_cell_volume        267.37(16)
_cod_database_code               7241641
_shelx_res_checksum              17642