An ion pair scandium hydride supported by a dianionic (NNNN)-type macrocycle ligand
Peng Cui; Thomas P. Spaniol; Laurent Maron; Jun Okuda; Chem.Commun. 50 (2014) 424–; doi:10.1039/c3cc47805j

data_7110212
_publ_section_title
;
 An ion pair scandium hydride supported by a dianionic (NNNN)-type
 macrocycle ligand
;
_journal_name_full               Chem.Commun.
_journal_page_first              424
_journal_paper_doi               10.1039/c3cc47805j
_journal_volume                  50
_journal_year                    2014
_chemical_formula_moiety         'C30 H68 N12 Sc3, C30 H70 N12 Sc3, C6 H14'
_chemical_formula_sum            'C66 H152 N24 Sc6'
_chemical_formula_weight         1551.88
_chemical_name_systematic
;
 ?
;
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2ybc'
_symmetry_space_group_name_H-M   'P 1 21/c 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                90.00
_cell_angle_beta                 125.387(2)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   18.0667(9)
_cell_length_b                   19.2883(10)
_cell_length_c                   28.4424(11)
_cell_measurement_reflns_used    4724
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      20.89
_cell_measurement_theta_min      2.26
_cell_volume                     8080.4(7)
_computing_cell_refinement       'Bruker SAINT'
_computing_data_collection       'Bruker APEX'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'ORTEP-III (Farrugia, 1999)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SIR-92 (Altomare 1992)'
_diffrn_ambient_temperature      100(2)
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device_type  'Bruker APEX-I CCD'
_diffrn_measurement_method       '\w scans'
_diffrn_radiation_monochromator  'multilayer optics'
_diffrn_radiation_source         microsource
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0935
_diffrn_reflns_av_sigmaI/netI    0.0755
_diffrn_reflns_limit_h_max       21
_diffrn_reflns_limit_h_min       -21
_diffrn_reflns_limit_k_max       23
_diffrn_reflns_limit_k_min       -23
_diffrn_reflns_limit_l_max       33
_diffrn_reflns_limit_l_min       -33
_diffrn_reflns_number            86450
_diffrn_reflns_theta_full        25.10
_diffrn_reflns_theta_max         25.10
_diffrn_reflns_theta_min         1.48
_exptl_absorpt_coefficient_mu    0.529
_exptl_absorpt_correction_T_max  0.9296
_exptl_absorpt_correction_T_min  0.8617
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'Sadabs Bruker'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.276
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             3368
_exptl_crystal_size_max          0.29
_exptl_crystal_size_mid          0.23
_exptl_crystal_size_min          0.14
_refine_diff_density_max         1.275
_refine_diff_density_min         -0.762
_refine_diff_density_rms         0.077
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.039
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     892
_refine_ls_number_reflns         14355
_refine_ls_number_restraints     27
_refine_ls_restrained_S_all      1.059
_refine_ls_R_factor_all          0.0793
_refine_ls_R_factor_gt           0.0526
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0599P)^2^+2.0618P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1250
_refine_ls_wR_factor_ref         0.1414
_reflns_number_gt                10391
_reflns_number_total             14355
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c3cc47805j.txt
_cod_data_source_block           2
_cod_original_sg_symbol_Hall     '-P 2YBC'
_cod_original_sg_symbol_H-M      'P 1 21/C 1'
_cod_database_code               7110212