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_4133789
_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         'C21 H38 N8 Sc, C18 H36 K N2 O6'
_chemical_formula_sum            'C39 H74 K N10 O6 Sc'
_chemical_formula_weight         863.14
_space_group_crystal_system      monoclinic
_space_group_IT_number           14
_space_group_name_Hall           '-P 2ybc'
_space_group_name_H-M_alt        'P 1 21/c 1'
_atom_sites_solution_hydrogens   mixed
_atom_sites_solution_primary     dual
_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                90
_cell_angle_beta                 101.470(2)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   10.4972(3)
_cell_length_b                   31.6651(7)
_cell_length_c                   14.7793(3)
_cell_measurement_reflns_used    34551
_cell_measurement_temperature    180.00(10)
_cell_measurement_theta_max      29.8420
_cell_measurement_theta_min      3.5140
_cell_volume                     4814.5(2)
_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 (Sheldrick, 2015)'
_diffrn_ambient_environment      N~2~
_diffrn_ambient_temperature      180.00(10)
_diffrn_detector                 'CCD plate'
_diffrn_measured_fraction_theta_full 0.994
_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    -42.00  29.00   0.50    2.46    --  -10.90 -77.00 -60.00  142
  2  \w    -18.00  29.00   0.50    2.46    --  -10.90 -82.00  90.00   94
  3  \w    -34.00  48.00   0.50    2.46    --  -10.90  57.00 -60.00  164
  4  \w    -28.00   1.00   0.50    2.46    --  -10.90 -82.00  30.00   58
  5  \w    -46.00 -21.00   0.50    2.46    --  -10.90 -77.00 -90.00   50
  6  \w      8.00  37.00   0.50    2.46    --   11.00 -82.00-120.00   58
  7  \w    -28.00  -3.00   0.50    2.46    --   11.00 -82.00-120.00   50
  8  \w     -8.00  55.00   0.50    2.46    --   11.00  57.00  60.00  126
  9  \w     70.00  95.00   0.50    2.46    --   11.00  57.00  60.00   50
 10  \w    -35.00  45.00   0.50    2.46    --   11.00 -77.00  90.00  160
 11  \w    -33.00  93.00   0.50    2.46    --   11.00  37.00-120.00  252
;
_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      0.0499780000
_diffrn_orient_matrix_UB_12      -0.0151618000
_diffrn_orient_matrix_UB_13      0.0010447000
_diffrn_orient_matrix_UB_21      0.0426512000
_diffrn_orient_matrix_UB_22      0.0125628000
_diffrn_orient_matrix_UB_23      0.0324022000
_diffrn_orient_matrix_UB_31      -0.0208078000
_diffrn_orient_matrix_UB_32      -0.0106700000
_diffrn_orient_matrix_UB_33      0.0367370000
_diffrn_radiation_monochromator  mirror
_diffrn_radiation_probe          x-ray
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0260
_diffrn_reflns_av_unetI/netI     0.0163
_diffrn_reflns_Laue_measured_fraction_full 0.994
_diffrn_reflns_Laue_measured_fraction_max 0.995
_diffrn_reflns_limit_h_max       12
_diffrn_reflns_limit_h_min       -12
_diffrn_reflns_limit_k_max       39
_diffrn_reflns_limit_k_min       -39
_diffrn_reflns_limit_l_max       18
_diffrn_reflns_limit_l_min       -18
_diffrn_reflns_number            67976
_diffrn_reflns_point_group_measured_fraction_full 0.994
_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         3.358
_diffrn_source                   'Rotating-anode X-ray tube'
_diffrn_source_type              'Rigaku (Mo) X-ray Source'
_exptl_absorpt_coefficient_mu    0.290
_exptl_absorpt_correction_T_max  1.00000
_exptl_absorpt_correction_T_min  0.67117
_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            'light colourless'
_exptl_crystal_colour_modifier   light
_exptl_crystal_colour_primary    colourless
_exptl_crystal_density_diffrn    1.191
_exptl_crystal_description       block
_exptl_crystal_F_000             1864
_exptl_crystal_size_max          0.16
_exptl_crystal_size_mid          0.11
_exptl_crystal_size_min          0.06
_refine_diff_density_max         0.233
_refine_diff_density_min         -0.253
_refine_diff_density_rms         0.032
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.022
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     532
_refine_ls_number_reflns         9424
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.022
_refine_ls_R_factor_all          0.0365
_refine_ls_R_factor_gt           0.0312
_refine_ls_shift/su_max          0.002
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0388P)^2^+1.4804P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0781
_refine_ls_wR_factor_ref         0.0807
_reflns_Friedel_coverage         0.000
_reflns_number_gt                8380
_reflns_number_total             9424
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            ja9b11631_si_002.cif
_cod_data_source_block           7
_cod_depositor_comments
'Adding full bibliography for 4133782--4133791.cif.'
_cod_database_code               4133789
_shelx_shelxl_version_number     2017/1
_chemical_oxdiff_formula         'Sc C H N O K'
_shelx_estimated_absorpt_t_max   0.983
_shelx_estimated_absorpt_t_min   0.955
_reflns_odcompleteness_completeness 99.72
_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.a Ternary CH refined with riding coordinates:
 C6(H6), C9(H9)
2.b Secondary CH2 refined with riding coordinates:
 C2(H2A,H2B), C3(H3A,H3B), C4(H4A,H4B), C22(H22A,H22B), C23(H23A,H23B),
 C24(H24A,H24B), C25(H25A,H25B), C26(H26A,H26B), C27(H27A,H27B), C28(H28A,H28B),
  C29(H29A,H29B), C30(H30A,H30B), C31(H31A,H31B), C32(H32A,H32B), C33(H33A,
 H33B), C34(H34A,H34B), C35(H35A,H35B), C37(H37A,H37B), C38(H38A,H38B),
 C39(H39A,H39B)
2.c Idealised Me refined as rotating group:
 C5(H5A,H5B,H5C), 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 1.673
_oxdiff_exptl_absorpt_empirical_full_min 0.681