Achieving short ignition delay and high specific impulse with cyanoborohydride-based hypergolic ionic liquids
Pialat, Amélie; Kitos, Alexandros A.; Witkowski, Tomasz G.; Cook, Cyril; Wang, Shiliang; Hu, Anguang; Murugesu, Muralee; New Journal of Chemistry 46 (2022) 21212–21220; doi:10.1039/D2NJ03372K

data_7061960
_publ_section_title
;
 Achieving short ignition delay and high specific impulse with
 cyanoborohydride-based hypergolic ionic liquids
;
_journal_issue                   44
_journal_name_full               'New Journal of Chemistry'
_journal_page_first              21212
_journal_page_last               21220
_journal_paper_doi               10.1039/D2NJ03372K
_journal_volume                  46
_journal_year                    2022
_chemical_formula_moiety         'C28 H60 N, C H3 B N'
_chemical_formula_sum            'C29 H63 B N2'
_chemical_formula_weight         450.62
_chemical_name_systematic
;
'N,N,N-Triheptyl-butan-1-aminium (T-4)-(cyano-[kappa]C)tri-hydro-borate'
;
_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   mixed
_atom_sites_solution_primary     direct
_audit_creation_date             2015-07-20
_audit_creation_method
;
Olex2 1.2
(compiled 2015.01.26 svn.r3150 for OlexSys, GUI svn.r4998)
;
_audit_update_record
;
2017-05-11 deposited with the CCDC.	2022-10-06 downloaded from the CCDC.
;
_cell_angle_alpha                89.121(4)
_cell_angle_beta                 78.840(3)
_cell_angle_gamma                88.990(3)
_cell_formula_units_Z            2
_cell_length_a                   9.5425(6)
_cell_length_b                   11.4283(7)
_cell_length_c                   14.5168(9)
_cell_measurement_reflns_used    7706
_cell_measurement_temperature    105
_cell_measurement_theta_max      57.350
_cell_measurement_theta_min      2.700
_cell_volume                     1552.83(17)
_computing_cell_refinement
;
SAINT (2013) V8.34A; Integration Software for Single Crystal Data.
Bruker AXS Inc., Madison, WI 53719-1173.
;
_computing_data_collection
;
APEX 2 (2013) Bruker AXS Inc., Madison, WI 53719-1173.
;
_computing_data_reduction
;
SAINT (2013) V8.34A; Integration Software for Single Crystal Data.
Bruker AXS Inc., Madison, WI 53719-1173.
;
_computing_molecular_graphics    'Olex2 (Dolomanov et al., 2009)'
_computing_publication_material  'Olex2 (Dolomanov et al., 2009)'
_computing_structure_refinement  'XL (Sheldrick, 2008)'
_computing_structure_solution    'ShelXT (Sheldrick, 2015)'
_diffrn_ambient_temperature      105
_diffrn_detector                 'CMOS Area detector'
_diffrn_detector_area_resol_mean 10.24
_diffrn_detector_type            'Bruker Photon 100 CMOS Detector'
_diffrn_measured_fraction_theta_full 0.994
_diffrn_measured_fraction_theta_max 0.981
_diffrn_measurement_device       'k-geometry diffractometer'
_diffrn_measurement_device_type  'Bruker Venture Metaljet'
_diffrn_measurement_method       '\w and \f scans'
_diffrn_radiation_collimation    'Focusing mirrors'
_diffrn_radiation_monochromator  'Helios MX Mirror Optics'
_diffrn_radiation_probe          x-ray
_diffrn_radiation_type           GaK\a
_diffrn_radiation_wavelength     1.34139
_diffrn_reflns_av_R_equivalents  0.0935
_diffrn_reflns_av_unetI/netI     0.0944
_diffrn_reflns_Laue_measured_fraction_full 0.994
_diffrn_reflns_Laue_measured_fraction_max 0.981
_diffrn_reflns_limit_h_max       12
_diffrn_reflns_limit_h_min       -11
_diffrn_reflns_limit_k_max       14
_diffrn_reflns_limit_k_min       -14
_diffrn_reflns_limit_l_max       18
_diffrn_reflns_limit_l_min       -18
_diffrn_reflns_number            33807
_diffrn_reflns_point_group_measured_fraction_full 0.994
_diffrn_reflns_point_group_measured_fraction_max 0.981
_diffrn_reflns_theta_full        53.594
_diffrn_reflns_theta_max         58.221
_diffrn_reflns_theta_min         2.699
_diffrn_source                   'Metal Jet'
_diffrn_source_target            Ga
_diffrn_source_type              'Gallium Liquid Metal Jet Source'
_exptl_absorpt_coefficient_mu    0.253
_exptl_absorpt_correction_T_max  0.7514
_exptl_absorpt_correction_T_min  0.6115
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
SADABS-2014/5 (Bruker,2014/5) was used for absorption correction.
wR2(int) was 0.1391 before and 0.0888 after correction.
The Ratio of minimum to maximum transmission is 0.8138.
The \l/2 correction factor is 0.00150.
;
_exptl_crystal_colour            'clear light Colorless'
_exptl_crystal_colour_lustre     clear
_exptl_crystal_colour_modifier   light
_exptl_crystal_colour_primary    colourless
_exptl_crystal_density_diffrn    0.964
_exptl_crystal_description       Platelet
_exptl_crystal_F_000             512
_exptl_crystal_preparation
;
'Synthesized by reacting tetraheptylammonium bromide 
 with Sodium Cyanoborohydride'
;
_exptl_crystal_recrystallization_method 'Crystallized in Et2O/MeCN/Toluene'
_exptl_crystal_size_max          0.36
_exptl_crystal_size_mid          0.18
_exptl_crystal_size_min          0.1
_refine_diff_density_max         0.346
_refine_diff_density_min         -0.204
_refine_diff_density_rms         0.065
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.031
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     302
_refine_ls_number_reflns         6484
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.031
_refine_ls_R_factor_all          0.1901
_refine_ls_R_factor_gt           0.0860
_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^)+(0.1155P)^2^+0.1708P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.2019
_refine_ls_wR_factor_ref         0.2513
_reflns_Friedel_coverage         0.000
_reflns_number_gt                2914
_reflns_number_total             6484
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d2nj03372k2.cif
_cod_data_source_block           muru012
_cod_depositor_comments
;
The following automatic conversions were performed:

data item '_diffrn_radiation_probe' value 'X-ray' was changed to
'x-ray' 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 7061960.cif.
;
_cod_database_code               7061960
_shelx_estimated_absorpt_t_max   0.975
_shelx_estimated_absorpt_t_min   0.914
_olex2_refinement_description
;
1. Fixed Uiso
 At 1.2 times of:
  All C(H,H) groups
 At 1.5 times of:
  All B(H,H,H) groups, All C(H,H,H) groups
2.a Secondary CH2 refined with riding coordinates:
 C1(H1A,H1B), C2(H2A,H2B), C3(H3A,H3B), C4(H4A,H4B), C5(H5A,H5B), C6(H6A,H6B),
 C8(H8A,H8B), C9(H9A,H9B), C10(H10A,H10B), C11(H11A,H11B), C12(H12A,H12B),
 C13(H13A,H13B), C15(H15A,H15B), C16(H16A,H16B), C17(H17A,H17B), C18(H18A,H18B),
  C19(H19A,H19B), C20(H20A,H20B), C22(H22A,H22B), C23(H23A,H23B), C24(H24A,
 H24B), C25(H25A,H25B), C26(H26A,H26B), C27(H27A,H27B)
2.b Idealised Me refined as rotating group:
 C7(H7A,H7B,H7C), C14(H14A,H14B,H14C), C21(H21A,H21B,H21C), C28(H28A,H28B,H28C)
;
_shelx_shelxl_version_number     2014/7
_olex2_exptl_crystal_mounting_method 'Mounted on a Cryoloop'
_olex2_submission_original_sample_id AP-II-61B
_olex2_submission_special_instructions 'No special instructions were received'