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_7016693
_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            'C22 H20 Cr2 N2 O10'
_chemical_formula_weight         576.40
_chemical_name_systematic
;
?
;
_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                103.107(6)
_cell_angle_beta                 94.293(6)
_cell_angle_gamma                118.080(8)
_cell_formula_units_Z            2
_cell_length_a                   9.4757(8)
_cell_length_b                   9.6051(6)
_cell_length_c                   15.9506(14)
_cell_measurement_reflns_used    13880
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      30.7761
_cell_measurement_theta_min      2.2653
_cell_volume                     1219.3(2)
_computing_cell_refinement
;
CrysAlisPro, Oxford Diffraction Ltd.,
Version 1.171.33.41 (release 06-05-2009 CrysAlis171 .NET)
(compiled May 6 2009,17:20:42)
;
_computing_data_collection
;
CrysAlisPro, Oxford Diffraction Ltd.,
Version 1.171.33.41 (release 06-05-2009 CrysAlis171 .NET)
(compiled May 6 2009,17:20:42)
;
_computing_data_reduction
;
CrysAlisPro, Oxford Diffraction Ltd.,
Version 1.171.33.41 (release 06-05-2009 CrysAlis171 .NET)
(compiled May 6 2009,17:20:42)
;
_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 16.1419
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.999
_diffrn_measurement_device_type  'Xcalibur, Eos'
_diffrn_measurement_method       '\w scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'Enhance (Mo) X-ray Source'
_diffrn_radiation_type           'Mo K\a'
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0404
_diffrn_reflns_av_sigmaI/netI    0.0421
_diffrn_reflns_limit_h_max       12
_diffrn_reflns_limit_h_min       -12
_diffrn_reflns_limit_k_max       12
_diffrn_reflns_limit_k_min       -12
_diffrn_reflns_limit_l_max       21
_diffrn_reflns_limit_l_min       -21
_diffrn_reflns_number            36726
_diffrn_reflns_theta_full        28.28
_diffrn_reflns_theta_max         28.28
_diffrn_reflns_theta_min         2.48
_exptl_absorpt_coefficient_mu    0.950
_exptl_absorpt_correction_T_max  1.00000
_exptl_absorpt_correction_T_min  0.98419
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
CrysAlisPro, Oxford Diffraction Ltd.,
Version 1.171.33.41 (release 06-05-2009 CrysAlis171 .NET)
(compiled May 6 2009,17:20:42)
;
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.570
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             588
_exptl_crystal_size_max          0.28
_exptl_crystal_size_mid          0.16
_exptl_crystal_size_min          0.13
_refine_diff_density_max         0.367
_refine_diff_density_min         -0.298
_refine_diff_density_rms         0.055
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.924
_refine_ls_hydrogen_treatment    riding
_refine_ls_matrix_type           full
_refine_ls_number_parameters     325
_refine_ls_number_reflns         6041
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.924
_refine_ls_R_factor_all          0.0378
_refine_ls_R_factor_gt           0.0257
_refine_ls_shift/su_max          0.002
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0313P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0596
_refine_ls_wR_factor_ref         0.0613
_reflns_number_gt                4653
_reflns_number_total             6041
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c1dt10606f.txt
_cod_data_source_block           pet09
_cod_original_cell_volume        1219.32(17)
_cod_database_code               7016693