The significance of secondary interactions during alkaline earth-promoted dehydrogenation of dialkylamine-boranes.
Bellham, Peter; Anker, Mathew D.; Hill, Michael S.; Kociok-Köhn, Gabriele; Mahon, Mary F.; Dalton transactions (Cambridge, England : 2003) 45 (2016) 13969–13978; doi:10.1039/c6dt03185d

data_7040292
_publ_section_title
;
 The significance of secondary interactions during alkaline earth-promoted
 dehydrogenation of dialkylamine-boranes.
;
_journal_issue                   35
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              13969
_journal_page_last               13978
_journal_paper_doi               10.1039/c6dt03185d
_journal_volume                  45
_journal_year                    2016
_chemical_formula_moiety         'C37 H62 B Mg N3, C6 H6'
_chemical_formula_sum            'C43 H68 B Mg N3'
_chemical_formula_weight         662.12
_chemical_name_systematic        'Compound 13'
_space_group_crystal_system      orthorhombic
_space_group_IT_number           61
_space_group_name_Hall           '-P 2ac 2ab'
_space_group_name_H-M_alt        'P b c a'
_symmetry_space_group_name_Hall  '-P 2ac 2ab'
_symmetry_space_group_name_H-M   'P b c a'
_atom_sites_solution_hydrogens   mixed
_atom_sites_solution_primary     direct
_audit_creation_date             2016-06-27
_audit_creation_method
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Olex2 1.2
(compiled 2016.02.19 svn.r3266 for OlexSys, GUI svn.r5155)
;
_audit_update_record
;
2016-06-29 deposited with the CCDC.
2016-08-11 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            8
_cell_length_a                   18.6055(4)
_cell_length_b                   19.4729(4)
_cell_length_c                   22.3867(5)
_cell_measurement_reflns_used    6077
_cell_measurement_temperature    173(2)
_cell_measurement_theta_max      29.6270
_cell_measurement_theta_min      3.6340
_cell_volume                     8110.8(3)
_computing_cell_refinement
;
CrysAlisPro, Agilent Technologies,
Version 1.171.37.33 (release 27-03-2014 CrysAlis171 .NET)
(compiled Mar 27 2014,17:12:48)
;
_computing_data_collection
;
CrysAlisPro, Agilent Technologies,
Version 1.171.37.33 (release 27-03-2014 CrysAlis171 .NET)
(compiled Mar 27 2014,17:12:48)
;
_computing_data_reduction
;
CrysAlisPro, Agilent Technologies,
Version 1.171.37.33 (release 27-03-2014 CrysAlis171 .NET)
(compiled Mar 27 2014,17:12:48)
;
_computing_molecular_graphics    'Olex2 (Dolomanov et al., 2009)'
_computing_publication_material  'Olex2 (Dolomanov et al., 2009)'
_computing_structure_refinement  'ShelXL (Sheldrick, 2015)'
_computing_structure_solution    'SHELXS-97 (Sheldrick 1990)'
_diffrn_ambient_temperature      173.15
_diffrn_detector_area_resol_mean 16.1468
_diffrn_detector_type            EosS2
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device       'four-circle diffractometer'
_diffrn_measurement_device_type  'New Xcalibur, EosS2'
_diffrn_measurement_method       '\w scans'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0284
_diffrn_reflns_av_unetI/netI     0.0397
_diffrn_reflns_Laue_measured_fraction_full 0.998
_diffrn_reflns_Laue_measured_fraction_max 0.998
_diffrn_reflns_limit_h_max       24
_diffrn_reflns_limit_h_min       -23
_diffrn_reflns_limit_k_max       13
_diffrn_reflns_limit_k_min       -25
_diffrn_reflns_limit_l_max       18
_diffrn_reflns_limit_l_min       -29
_diffrn_reflns_number            25897
_diffrn_reflns_point_group_measured_fraction_full 0.998
_diffrn_reflns_point_group_measured_fraction_max 0.998
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         27.480
_diffrn_reflns_theta_min         3.440
_exptl_absorpt_coefficient_mu    0.076
_exptl_absorpt_correction_T_max  0.999
_exptl_absorpt_correction_T_min  0.998
_exptl_absorpt_correction_type   analytical
_exptl_absorpt_process_details
;
CrysAlisPro, Agilent Technologies,
Version 1.171.37.33 (release 27-03-2014 CrysAlis171 .NET)
(compiled Mar 27 2014,17:12:48)
Analytical numeric absorption correction using a multifaceted crystal
based on expressions derived by R.C. Clark & J.S. Reid.
(Clark, R. C. & Reid, J. S. (1995). Acta Cryst. A51, 887-897)
;
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.084
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             2912
_exptl_crystal_size_max          0.4075
_exptl_crystal_size_mid          0.2017
_exptl_crystal_size_min          0.1906
_refine_diff_density_max         0.273
_refine_diff_density_min         -0.222
_refine_diff_density_rms         0.038
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.017
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     502
_refine_ls_number_reflns         9277
_refine_ls_number_restraints     12
_refine_ls_restrained_S_all      1.016
_refine_ls_R_factor_all          0.0714
_refine_ls_R_factor_gt           0.0433
_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^)+(0.0486P)^2^+2.0193P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0989
_refine_ls_wR_factor_ref         0.1135
_reflns_Friedel_coverage         0.000
_reflns_number_gt                6621
_reflns_number_total             9277
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            c6dt03185d2.cif
_cod_data_source_block           e15msh5
_cod_depositor_comments
'Adding full bibliography for 7040289--7040292.cif.'
_cod_database_code               7040292
_shelxl_version_number           2014-3