The use of 1,2-dipiperidinoacetylene for the preparation of monometallic diaminoacetylene and homo- or heterobimetallic diaminodicarbene ruthenium(ii) complexes.
Petrov, Alex R.; Bannenberg, Thomas; Daniliuc, Constantin G.; Jones, Peter G.; Tamm, Matthias; Dalton transactions (Cambridge, England : 2003) 40 (2011) 10503–10512; doi:10.1039/c1dt10606f

data_7016698
_publ_section_title
;
 The use of 1,2-dipiperidinoacetylene for the preparation of
 monometallic diaminoacetylene and homo- or heterobimetallic
 diaminodicarbene ruthenium(ii) complexes.
;
_journal_issue                   40
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              10503
_journal_page_last               10512
_journal_paper_doi               10.1039/c1dt10606f
_journal_volume                  40
_journal_year                    2011
_chemical_formula_sum            'C100.99 H97.49 B2 N4.49 P2 Ru'
_chemical_formula_weight         1558.76
_chemical_name_systematic
;
?
;
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2yn'
_symmetry_space_group_name_H-M   'P 1 21/n 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                 97.058(2)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   11.6660(2)
_cell_length_b                   26.9068(6)
_cell_length_c                   26.0151(6)
_cell_measurement_reflns_used    22229
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      75.9112
_cell_measurement_theta_min      3.2823
_cell_volume                     8104.1(3)
_computing_cell_refinement
;
CrysAlisPro, Oxford Diffraction Ltd.,
Version 1.171.33.55 (release 05-01-2010 CrysAlis171 .NET)
(compiled Jan 5 2010,16:28:46)
;
_computing_data_collection
;
CrysAlisPro, Oxford Diffraction Ltd.,
Version 1.171.33.55 (release 05-01-2010 CrysAlis171 .NET)
(compiled Jan 5 2010,16:28:46)
;
_computing_data_reduction
;
CrysAlisPro, Oxford Diffraction Ltd.,
Version 1.171.33.55 (release 05-01-2010 CrysAlis171 .NET)
(compiled Jan 5 2010,16:28:46)
;
_computing_molecular_graphics    'Bruker XP'
_computing_publication_material  SHELXL-97
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      100(2)
_diffrn_detector_area_resol_mean 10.3543
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 0.994
_diffrn_measurement_device_type  'Xcalibur, Atlas, Nova'
_diffrn_measurement_method       '\w scans'
_diffrn_radiation_monochromator  mirror
_diffrn_radiation_source         'Nova (Cu) X-ray Source'
_diffrn_radiation_type           'Cu K\a'
_diffrn_radiation_wavelength     1.54184
_diffrn_reflns_av_R_equivalents  0.0925
_diffrn_reflns_av_sigmaI/netI    0.0711
_diffrn_reflns_limit_h_max       14
_diffrn_reflns_limit_h_min       -12
_diffrn_reflns_limit_k_max       33
_diffrn_reflns_limit_k_min       -33
_diffrn_reflns_limit_l_max       32
_diffrn_reflns_limit_l_min       -32
_diffrn_reflns_number            93253
_diffrn_reflns_theta_full        72.50
_diffrn_reflns_theta_max         76.10
_diffrn_reflns_theta_min         3.29
_exptl_absorpt_coefficient_mu    2.333
_exptl_absorpt_correction_T_max  1.00000
_exptl_absorpt_correction_T_min  0.83168
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
CrysAlisPro, Oxford Diffraction Ltd.,
Version 1.171.33.55 (release 05-01-2010 CrysAlis171 .NET)
(compiled Jan 5 2010,16:28:46)
;
_exptl_crystal_colour            orange
_exptl_crystal_density_diffrn    1.278
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             3276
_exptl_crystal_size_max          0.07
_exptl_crystal_size_mid          0.04
_exptl_crystal_size_min          0.03
_refine_diff_density_max         0.504
_refine_diff_density_min         -0.957
_refine_diff_density_rms         0.066
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.886
_refine_ls_hydrogen_treatment    'rigid methyls, others riding'
_refine_ls_matrix_type           full
_refine_ls_number_parameters     939
_refine_ls_number_reflns         16852
_refine_ls_number_restraints     9
_refine_ls_restrained_S_all      0.886
_refine_ls_R_factor_all          0.0661
_refine_ls_R_factor_gt           0.0397
_refine_ls_shift/su_max          0.091
_refine_ls_shift/su_mean         0.001
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0465P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0830
_refine_ls_wR_factor_ref         0.0894
_reflns_number_gt                11688
_reflns_number_total             16852
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c1dt10606f.txt
_cod_data_source_block           pet27
_cod_original_sg_symbol_H-M      'P 21/n'
_cod_database_code               7016698