Scandium-Promoted Direct Conversion of Dinitrogen into Hydrazine Derivatives via N-C Bond Formation.
Lv, Ze-Jie; Huang, Zhe; Zhang, Wen-Xiong; Xi, Zhenfeng; Journal of the American Chemical Society 141 (2019) 8773–8777; doi:10.1021/jacs.9b04293

data_4127613
_publ_section_title
;
 Scandium-Promoted Direct Conversion of Dinitrogen into Hydrazine
 Derivatives via N-C Bond Formation.
;
_journal_issue                   22
_journal_name_full               'Journal of the American Chemical Society'
_journal_page_first              8773
_journal_page_last               8777
_journal_paper_doi               10.1021/jacs.9b04293
_journal_volume                  141
_journal_year                    2019
_chemical_formula_moiety         'C42 H76 Br2 N4 Sc2'
_chemical_formula_sum            'C42 H76 Br2 N4 Sc2'
_chemical_formula_weight         886.80
_space_group_crystal_system      monoclinic
_space_group_IT_number           14
_space_group_name_Hall           '-P 2yn'
_space_group_name_H-M_alt        'P 1 21/n 1'
_symmetry_space_group_name_Hall  '-P 2yn'
_symmetry_space_group_name_H-M   'P 1 21/n 1'
_atom_sites_solution_hydrogens   geom
_audit_creation_date             2019-04-11
_audit_creation_method
;
Olex2 1.2
(compiled 2018.05.29 svn.r3508 for OlexSys, GUI svn.r5506)
;
_cell_angle_alpha                90
_cell_angle_beta                 100.739(3)
_cell_angle_gamma                90
_cell_formula_units_Z            2
_cell_length_a                   9.6328(3)
_cell_length_b                   13.6495(4)
_cell_length_c                   17.7780(5)
_cell_measurement_reflns_used    11839
_cell_measurement_temperature    180.00(10)
_cell_measurement_theta_max      30.4380
_cell_measurement_theta_min      3.7010
_cell_volume                     2296.56(12)
_computing_cell_refinement       'CrysAlisPro 1.171.39.33c (Rigaku OD, 2017)'
_computing_data_collection       'CrysAlisPro 1.171.39.33c (Rigaku OD, 2017)'
_computing_data_reduction        'CrysAlisPro 1.171.39.33c (Rigaku OD, 2017)'
_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    'SHELXT 2014/5 (Sheldrick, 2014)'
_diffrn_ambient_environment      N~2~
_diffrn_ambient_temperature      180.00(10)
_diffrn_detector                 'CCD plate'
_diffrn_measured_fraction_theta_full 0.995
_diffrn_measured_fraction_theta_max 0.995
_diffrn_measurement_details
;
List of Runs (angles in degrees, time in seconds):

  # Type    Start    End  Width  t~exp~   \w     \q     \k     \f   Frames
--------------------------------------------------------------------------
  1  \w    -57.00  15.00   0.50    3.18    --   -1.70 -19.00-150.00  144
  2  \w    -10.00  77.00   0.50    3.18    --    1.90  37.00-180.00  174
  3  \w    -72.00  -8.00   0.50    3.18    --    1.90 -37.00  30.00  128
  4  \w    -19.00  45.00   0.50    3.18    --    1.90  57.00-120.00  128
  5  \w    -12.00  56.00   0.50    3.18    --    1.90  57.00   0.00  136
;
_diffrn_measurement_device       'four-circle diffractometer'
_diffrn_measurement_device_type  'XtaLAB AFC12 (RINC): Kappa single'
_diffrn_measurement_method       '\w scans'
_diffrn_orient_matrix_type
'CrysAlisPro convention (1999,Acta A55,543-557)'
_diffrn_orient_matrix_UB_11      0.0492488000
_diffrn_orient_matrix_UB_12      -0.0231817000
_diffrn_orient_matrix_UB_13      -0.0192792000
_diffrn_orient_matrix_UB_21      0.0489539000
_diffrn_orient_matrix_UB_22      -0.0033892000
_diffrn_orient_matrix_UB_23      0.0350238000
_diffrn_orient_matrix_UB_31      -0.0281700000
_diffrn_orient_matrix_UB_32      -0.0464010000
_diffrn_orient_matrix_UB_33      0.0070711000
_diffrn_radiation_monochromator  mirror
_diffrn_radiation_probe          x-ray
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0253
_diffrn_reflns_av_unetI/netI     0.0168
_diffrn_reflns_Laue_measured_fraction_full 0.995
_diffrn_reflns_Laue_measured_fraction_max 0.995
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       -11
_diffrn_reflns_limit_k_max       16
_diffrn_reflns_limit_k_min       -16
_diffrn_reflns_limit_l_max       21
_diffrn_reflns_limit_l_min       -21
_diffrn_reflns_number            27521
_diffrn_reflns_point_group_measured_fraction_full 0.995
_diffrn_reflns_point_group_measured_fraction_max 0.995
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         26.022
_diffrn_reflns_theta_min         3.681
_diffrn_source                   'Rotating-anode X-ray tube'
_diffrn_source_type              'Rigaku (Mo) X-ray Source'
_exptl_absorpt_coefficient_mu    2.066
_exptl_absorpt_correction_T_max  1.00000
_exptl_absorpt_correction_T_min  0.88307
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
CrysAlisPro 1.171.39.33c (Rigaku Oxford Diffraction, 2017)
Empirical absorption correction using spherical harmonics,
 implemented in SCALE3 ABSPACK scaling algorithm.
;
_exptl_crystal_colour            'clear light colourless'
_exptl_crystal_colour_lustre     clear
_exptl_crystal_colour_modifier   light
_exptl_crystal_colour_primary    colourless
_exptl_crystal_density_diffrn    1.282
_exptl_crystal_description       block
_exptl_crystal_F_000             936
_exptl_crystal_size_max          0.13
_exptl_crystal_size_mid          0.1
_exptl_crystal_size_min          0.08
_refine_diff_density_max         0.717
_refine_diff_density_min         -0.340
_refine_diff_density_rms         0.061
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.053
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     256
_refine_ls_number_reflns         4505
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.053
_refine_ls_R_factor_all          0.0345
_refine_ls_R_factor_gt           0.0304
_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^)+(0.0527P)^2^+1.5074P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0863
_refine_ls_wR_factor_ref         0.0888
_reflns_Friedel_coverage         0.000
_reflns_number_gt                4058
_reflns_number_total             4505
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            ja9b04293_si_002.cif
_cod_data_source_block           11
_cod_database_code               4127613
_shelx_shelxl_version_number     2017/1
_chemical_oxdiff_formula         'Sc C H N Br'
_shelx_estimated_absorpt_t_max   0.852
_shelx_estimated_absorpt_t_min   0.775
_reflns_odcompleteness_completeness 99.65
_reflns_odcompleteness_iscentric 1
_reflns_odcompleteness_theta     27.42
_olex2_refinement_description
;
1. Fixed Uiso
 At 1.2 times of:
  All C(H) groups, All C(H,H) groups, All C(H,H,H,H) groups
 At 1.5 times of:
  All C(H,H,H) groups
2. Others
 Sof(H3BC)=Sof(H3BD)=Sof(C4A)=Sof(H4AA)=Sof(H4AB)=Sof(C5A)=Sof(H5AA)=Sof(H5AB)=
 Sof(H5AC)=1-FVAR(1)
 Sof(C4)=Sof(H4A)=Sof(H4B)=Sof(C5)=Sof(H5A)=Sof(H5B)=Sof(H5C)=Sof(H3AA)=
 Sof(H3AB)=FVAR(1)
3.a Ternary CH refined with riding coordinates:
 C6(H6), C9(H9)
3.b Secondary CH2 refined with riding coordinates:
 C4(H4A,H4B), C2(H2A,H2B), C3(H3AA,H3AB), C3(H3BC,H3BD), C4A(H4AA,H4AB)
3.c Idealised Me refined as rotating group:
 C5(H5A,H5B,H5C), C5A(H5AA,H5AB,H5AC), C7(H7A,H7B,H7C), C8(H8A,H8B,H8C),
 C10(H10A,H10B,H10C), C11(H11A,H11B,H11C), C17(H17A,H17B,H17C), C18(H18A,H18B,
 H18C), C19(H19A,H19B,H19C), C20(H20A,H20B,H20C), C21(H21A,H21B,H21C)
;
_olex2_submission_special_instructions 'No special instructions were received'
_oxdiff_exptl_absorpt_empirical_details
;
Empirical correction (ABSPACK) includes:
- Absorption correction using spherical harmonics
- Frame scaling
;
_oxdiff_exptl_absorpt_empirical_full_max 1.173
_oxdiff_exptl_absorpt_empirical_full_min 0.876