Tris(pyrazolyl)methanides of the Alkaline Earth Metals: Influence of the Substitution Pattern on Stability and Degradation.
Müller, Christoph; Koch, Alexander; Görls, Helmar; Krieck, Sven; Westerhausen, Matthias; Inorganic chemistry 54 (2015) 635–645; doi:10.1021/ic5025907

data_4342066
_publ_section_title
;
 Tris(pyrazolyl)methanides of the Alkaline Earth Metals: Influence of the
 Substitution Pattern on Stability and Degradation.
;
_journal_issue                   2
_journal_name_full               'Inorganic chemistry'
_journal_page_first              635
_journal_page_last               645
_journal_paper_doi               10.1021/ic5025907
_journal_volume                  54
_journal_year                    2015
_chemical_formula_moiety         'C19 H28 N6, 0.5(C6 H16 N2)'
_chemical_formula_sum            'C22 H36 N7'
_chemical_formula_weight         398.58
_space_group_IT_number           2
_symmetry_cell_setting           triclinic
_symmetry_space_group_name_Hall  '-P 1'
_symmetry_space_group_name_H-M   'P -1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                81.734(1)
_cell_angle_beta                 86.486(1)
_cell_angle_gamma                73.695(1)
_cell_formula_units_Z            2
_cell_length_a                   8.7955(2)
_cell_length_b                   10.6267(2)
_cell_length_c                   12.8493(2)
_cell_measurement_temperature    133(2)
_cell_volume                     1140.43(4)
_computing_cell_refinement       DENZO
_computing_data_collection       COLLECT
_computing_data_reduction        DENZO
_computing_molecular_graphics    SHELXTL/PC
_computing_publication_material  SHELXL-97
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      133(2)
_diffrn_measured_fraction_theta_full 0.988
_diffrn_measured_fraction_theta_max 0.988
_diffrn_measurement_device_type  KappaCCD
_diffrn_measurement_method       'phi- + omega-scan'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0187
_diffrn_reflns_av_sigmaI/netI    0.0278
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       -11
_diffrn_reflns_limit_k_max       13
_diffrn_reflns_limit_k_min       -13
_diffrn_reflns_limit_l_max       16
_diffrn_reflns_limit_l_min       -15
_diffrn_reflns_number            8214
_diffrn_reflns_theta_full        27.46
_diffrn_reflns_theta_max         27.46
_diffrn_reflns_theta_min         2.01
_exptl_absorpt_coefficient_mu    0.072
_exptl_absorpt_correction_T_max  0.7456
_exptl_absorpt_correction_T_min  0.7146
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS, Bruker-AXS, 2002'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.161
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             434
_exptl_crystal_size_max          0.085
_exptl_crystal_size_mid          0.065
_exptl_crystal_size_min          0.062
_refine_diff_density_max         0.333
_refine_diff_density_min         -0.247
_refine_diff_density_rms         0.044
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.931
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     273
_refine_ls_number_reflns         5158
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.931
_refine_ls_R_factor_all          0.0561
_refine_ls_R_factor_gt           0.0495
_refine_ls_shift/su_max          0.041
_refine_ls_shift/su_mean         0.001
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0550P)^2^+0.9617P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1199
_refine_ls_wR_factor_ref         0.1264
_reflns_number_gt                4614
_reflns_number_total             5158
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ic5025907_si_002.cif
_cod_data_source_block           FO5326
_cod_depositor_comments
'Adding full bibliography for 4342066--4342075.cif.'
_cod_database_code               4342066