Reactions of lanthanoid metals with 3,5-diphenylpyrazole at elevated temperatures: synthesis and structures of both homoleptic, [Ln3(Ph2pz)9] (Ln = La, Nd), [Ln2(Ph2pz)6] (Ln = Er, Lu), and heteroleptic, [Ln(Ph2pz)3(Ph2pzH)2] (Ln = La, Nd, Gd, Tb, Er or Yb), pyrazolate complexes.
Deacon, Glen B.; Forsyth, Craig M.; Gitlits, Alex; Skelton, Brian W.; White, Allan H.; Dalton transactions (Cambridge, England : 2003)  (2004) 1239–1247; doi:10.1039/b400541d

data_7014053
_publ_section_title
;
 Reactions of lanthanoid metals with 3,5-diphenylpyrazole at elevated
 temperatures: synthesis and structures of both homoleptic,
 [Ln3(Ph2pz)9] (Ln = La, Nd), [Ln2(Ph2pz)6] (Ln = Er, Lu), and
 heteroleptic, [Ln(Ph2pz)3(Ph2pzH)2] (Ln = La, Nd, Gd, Tb, Er or Yb),
 pyrazolate complexes.
;
_journal_issue                   8
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              1239
_journal_page_last               1247
_journal_paper_doi               10.1039/b400541d
_journal_year                    2004
_chemical_formula_sum            'C75 H57 La N10'
_chemical_formula_weight         1237.26
_space_group_IT_number           15
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-C 2yc'
_symmetry_space_group_name_H-M   'C 1 2/c 1'
_cell_angle_alpha                90.00000
_cell_angle_beta                 104.779(3)
_cell_angle_gamma                90.00000
_cell_formula_units_Z            4
_cell_length_a                   20.394(3)
_cell_length_b                   13.793(2)
_cell_length_c                   21.959(4)
_cell_measurement_reflns_used    2594
_cell_measurement_temperature    150
_cell_measurement_theta_max      26
_cell_measurement_theta_min      2
_cell_volume                     5972.6(16)
_computing_cell_refinement       'Siemens SAINT (Siemens, 1995)'
_computing_data_collection       'Siemens SMART (Siemens, 1995)'
_computing_data_reduction        'xtal ADDREF SORTRF'
_computing_molecular_graphics    xtal
_computing_publication_material  'xtal BONDLA CIFIO'
_computing_structure_refinement  'xtal CRYLSQ'
_computing_structure_solution    xtal
_diffrn_ambient_temperature      150
_diffrn_measurement_device_type
;
Bruker SMART CCD diffractometer
;
_diffrn_measurement_method       '\w scans'
_diffrn_radiation_detector       'CCD area detector'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'sealed tube'
_diffrn_radiation_type           'Mo K\a'
_diffrn_radiation_wavelength     .71073
_diffrn_reflns_av_R_equivalents  .083
_diffrn_reflns_av_sigmaI/netI    .148
_diffrn_reflns_limit_h_max       26
_diffrn_reflns_limit_h_min       -27
_diffrn_reflns_limit_k_max       18
_diffrn_reflns_limit_k_min       0
_diffrn_reflns_limit_l_max       30
_diffrn_reflns_limit_l_min       0
_diffrn_reflns_number            30212
_diffrn_reflns_theta_max         29.41
_diffrn_reflns_theta_min         1.8
_diffrn_standards_decay_%        0
_exptl_absorpt_coefficient_mu    .77
_exptl_absorpt_correction_T_max  .84
_exptl_absorpt_correction_T_min  .65
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
SADABS; Sheldrick, 1996
;
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.376
_exptl_crystal_description       prism
_exptl_crystal_F_000             2536
_exptl_crystal_size_max          .15
_exptl_crystal_size_mid          .08
_exptl_crystal_size_min          .04
_refine_diff_density_max         2.25
_refine_diff_density_min         -1.524
_refine_ls_goodness_of_fit_all   .892
_refine_ls_goodness_of_fit_ref   .945
_refine_ls_hydrogen_treatment    refall
_refine_ls_matrix_type           full
_refine_ls_number_constraints    0
_refine_ls_number_parameters     503
_refine_ls_number_reflns         5072
_refine_ls_number_restraints     0
_refine_ls_R_factor_all          .095
_refine_ls_R_factor_gt           .049
_refine_ls_shift/su_max          .007
_refine_ls_shift/su_mean         .001
_refine_ls_structure_factor_coef F
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_all         .049
_refine_ls_wR_factor_ref         .042
_reflns_d_resolution_high        .724
_reflns_d_resolution_low         11.277
_reflns_Friedel_coverage         0
_reflns_limit_h_max              27
_reflns_limit_h_min              0
_reflns_limit_k_max              18
_reflns_limit_k_min              0
_reflns_limit_l_max              28
_reflns_limit_l_min              -30
_reflns_number_gt                5072
_reflns_number_total             7716
_reflns_threshold_expression     'F    > 4.00 sig(F   )'
_cod_data_source_file            b400541d.txt
_cod_data_source_block           aglapz
_cod_original_sg_symbol_Hall     -c_2yc
_cod_original_sg_symbol_H-M      C_1_2/c_1
_cod_original_formula_sum        'C75 H57 La1 N10'
_cod_database_code               7014053