Well-Defined Scandacyclopropenes: Synthesis, Structure, and Reactivity.
Lv, Ze-Jie; Huang, Zhe; Shen, Jinghang; Zhang, Wen-Xiong; Xi, Zhenfeng; Journal of the American Chemical Society 141 (2019) 20547–20555; doi:10.1021/jacs.9b11631

data_4133786
_publ_section_title
;
 Well-Defined Scandacyclopropenes: Synthesis, Structure, and Reactivity.
;
_journal_issue                   51
_journal_name_full               'Journal of the American Chemical Society'
_journal_page_first              20547
_journal_page_last               20555
_journal_paper_doi               10.1021/jacs.9b11631
_journal_volume                  141
_journal_year                    2019
_chemical_formula_moiety         'C68 H94 N6 Sc2'
_chemical_formula_sum            'C68 H94 N6 Sc2'
_chemical_formula_weight         1085.41
_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   geom
_audit_creation_date             2019-10-27
_audit_creation_method
;
Olex2 1.2
(compiled 2018.05.29 svn.r3508 for OlexSys, GUI svn.r5506)
;
_cell_angle_alpha                109.736(2)
_cell_angle_beta                 92.258(2)
_cell_angle_gamma                91.702(2)
_cell_formula_units_Z            2
_cell_length_a                   11.5768(3)
_cell_length_b                   15.0488(4)
_cell_length_c                   22.1320(6)
_cell_measurement_reflns_used    24937
_cell_measurement_temperature    179.99(11)
_cell_measurement_theta_max      29.5350
_cell_measurement_theta_min      3.6860
_cell_volume                     3622.66(17)
_computing_cell_refinement       'CrysAlisPro 1.171.39.28b (Rigaku OD, 2015)'
_computing_data_collection       'CrysAlisPro 1.171.39.28b (Rigaku OD, 2015)'
_computing_data_reduction        'CrysAlisPro 1.171.39.28b (Rigaku OD, 2015)'
_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      179.99(11)
_diffrn_detector                 'CCD plate'
_diffrn_measured_fraction_theta_full 0.991
_diffrn_measured_fraction_theta_max 0.992
_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     38.00  80.00   0.50   13.35    --   -1.60  57.00  90.00   84
  2  \w    -25.00   9.00   0.50   13.35    --   -1.60  57.00  90.00   68
  3  \w    -26.00  88.00   0.50   13.35    --   -1.60  58.00   1.77  228
  4  \w    -26.00  88.00   0.50   13.35    --   -1.60  19.00-150.00  228
  5  \w    -25.00  82.00   0.50   13.35    --   -1.60  57.00 -60.00  214
  6  \w    -26.00  80.00   0.50   13.35    --   -1.60  19.00  90.00  212
  7  \w    -21.00  80.00   0.50   13.35    --   -1.60  38.00 -90.00  202
  8  \w    -29.00   2.00   0.50   13.35    --    1.90 -82.00-180.00   62
  9  \w      5.00  34.00   0.50   13.35    --    1.90 -82.00-180.00   58
 10  \w     -7.00  34.00   0.50   13.35    --    1.90 -82.00-120.00   82
;
_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      -0.0393558000
_diffrn_orient_matrix_UB_12      -0.0391306000
_diffrn_orient_matrix_UB_13      -0.0049097000
_diffrn_orient_matrix_UB_21      -0.0446563000
_diffrn_orient_matrix_UB_22      0.0313295000
_diffrn_orient_matrix_UB_23      0.0123946000
_diffrn_orient_matrix_UB_31      -0.0149842000
_diffrn_orient_matrix_UB_32      0.0000186000
_diffrn_orient_matrix_UB_33      -0.0313813000
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_probe          x-ray
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0377
_diffrn_reflns_av_unetI/netI     0.0227
_diffrn_reflns_Laue_measured_fraction_full 0.991
_diffrn_reflns_Laue_measured_fraction_max 0.992
_diffrn_reflns_limit_h_max       14
_diffrn_reflns_limit_h_min       -14
_diffrn_reflns_limit_k_max       18
_diffrn_reflns_limit_k_min       -18
_diffrn_reflns_limit_l_max       27
_diffrn_reflns_limit_l_min       -26
_diffrn_reflns_number            90725
_diffrn_reflns_point_group_measured_fraction_full 0.991
_diffrn_reflns_point_group_measured_fraction_max 0.992
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         26.022
_diffrn_reflns_theta_min         3.395
_diffrn_source                   'fine-focus sealed X-ray tube'
_diffrn_source_type              'Enhance (Mo) X-ray Source'
_exptl_absorpt_coefficient_mu    0.225
_exptl_absorpt_correction_T_max  1.00000
_exptl_absorpt_correction_T_min  0.91519
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
CrysAlisPro 1.171.39.28b (Rigaku Oxford Diffraction, 2015)
Empirical absorption correction using spherical harmonics,
 implemented in SCALE3 ABSPACK scaling algorithm.
;
_exptl_crystal_colour            'clear light red'
_exptl_crystal_colour_lustre     clear
_exptl_crystal_colour_modifier   light
_exptl_crystal_colour_primary    red
_exptl_crystal_density_diffrn    0.995
_exptl_crystal_description       block
_exptl_crystal_F_000             1172
_exptl_crystal_size_max          0.12
_exptl_crystal_size_mid          0.1
_exptl_crystal_size_min          0.08
_refine_diff_density_max         0.538
_refine_diff_density_min         -0.222
_refine_diff_density_rms         0.036
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.021
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     705
_refine_ls_number_reflns         14168
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.021
_refine_ls_R_factor_all          0.0469
_refine_ls_R_factor_gt           0.0391
_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^)+(0.0539P)^2^+1.2143P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1025
_refine_ls_wR_factor_ref         0.1075
_reflns_Friedel_coverage         0.000
_reflns_number_gt                12039
_reflns_number_total             14168
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            ja9b11631_si_002.cif
_cod_data_source_block           4
_cod_depositor_comments
'Adding full bibliography for 4133782--4133791.cif.'
_cod_database_code               4133786
_shelx_shelxl_version_number     2017/1
_chemical_oxdiff_formula         'Sc1 N1 C1 H1'
_shelx_estimated_absorpt_t_max   0.982
_shelx_estimated_absorpt_t_min   0.973
_reflns_odcompleteness_completeness 99.61
_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
 At 1.5 times of:
  All C(H,H,H) groups
2. Rigid bond restraints
 C50, C51
 with sigma for 1-2 distances of 0.001 and sigma for 1-3 distances of 0.001
3.a Ternary CH refined with riding coordinates:
 C32(H32), C35(H35), C53(H53), C56(H56)
3.b Secondary CH2 refined with riding coordinates:
 C28(H28A,H28B), C29(H29A,H29B), C30(H30A,H30B), C49(H49A,H49B), C50(H50A,
 H50B), C51(H51A,H51B)
3.c Aromatic/amide H refined with riding coordinates:
 C4(H4), C5(H5), C6(H6), C7(H7), C8(H8), C10(H10), C11(H11), C12(H12),
 C13(H13), C14(H14), C17(H17), C18(H18), C19(H19), C20(H20), C23(H23), C24(H24),
  C25(H25), C26(H26)
3.d Idealised Me refined as rotating group:
 C31(H31A,H31B,H31C), C33(H33A,H33B,H33C), C34(H34A,H34B,H34C), C36(H36A,H36B,
 H36C), C37(H37A,H37B,H37C), C43(H43A,H43B,H43C), C44(H44A,H44B,H44C), C45(H45A,
 H45B,H45C), C46(H46A,H46B,H46C), C47(H47A,H47B,H47C), C52(H52A,H52B,H52C),
 C54(H54A,H54B,H54C), C55(H55A,H55B,H55C), C57(H57A,H57B,H57C), C58(H58A,H58B,
 H58C), C64(H64A,H64B,H64C), C65(H65A,H65B,H65C), C66(H66A,H66B,H66C), C67(H67A,
 H67B,H67C), C68(H68A,H68B,H68C)
;
_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 1.213
_oxdiff_exptl_absorpt_empirical_full_min 0.740