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_7014054
_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 N10 Nd'
_chemical_formula_weight         1242.59
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_symmetry_space_group_name_H-M   'C 1 2/c 1'
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_cell_angle_beta                 104.535(2)
_cell_angle_gamma                90.00000
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_cell_length_b                   13.805(2)
_cell_length_c                   21.940(2)
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_computing_cell_refinement       'Siemens SAINT (Siemens, 1995)'
_computing_data_collection       'Siemens SMART (Siemens, 1995)'
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_computing_molecular_graphics    xtal
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;
Bruker SMART CCD diffractometer
;
_diffrn_measurement_method       '\w scans'
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_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'sealed tube'
_diffrn_radiation_type           'Mo K\a'
_diffrn_radiation_wavelength     .71073
_diffrn_reflns_av_R_equivalents  .0400
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_diffrn_reflns_limit_h_max       26
_diffrn_reflns_limit_h_min       -27
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_exptl_absorpt_coefficient_mu    .926
_exptl_absorpt_correction_T_max  .862
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_exptl_absorpt_process_details
;
SADABS; Sheldrick, 1996
;
_exptl_crystal_colour            colourless
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_exptl_crystal_size_mid          .07
_exptl_crystal_size_min          .05
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_refine_ls_structure_factor_coef F
_refine_ls_weighting_scheme      calc
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_refine_ls_wR_factor_ref         .034
_reflns_d_resolution_high        .727
_reflns_d_resolution_low         11.276
_reflns_Friedel_coverage         0
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_reflns_limit_l_min              -30
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_reflns_threshold_expression     'F    > 4.00 sig(F   )'
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_cod_data_source_block           ag46b3
_cod_original_sg_symbol_Hall     -c_2yc
_cod_original_sg_symbol_H-M      C_1_2/c_1
_cod_original_formula_sum        'C75 H57 N10 Nd1'
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