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_7016694
_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 N2 O10 W2'
_chemical_formula_weight         840.10
_chemical_name_systematic
;
?
;
_space_group_IT_number           2
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_symmetry_space_group_name_Hall  '-P 1'
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_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                102.934(4)
_cell_angle_beta                 94.073(4)
_cell_angle_gamma                118.147(4)
_cell_formula_units_Z            2
_cell_length_a                   9.5233(4)
_cell_length_b                   9.7656(4)
_cell_length_c                   15.9927(6)
_cell_measurement_reflns_used    21466
_cell_measurement_temperature    110(2)
_cell_measurement_theta_max      30.8563
_cell_measurement_theta_min      2.4381
_cell_volume                     1250.88(11)
_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
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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      110(2)
_diffrn_detector_area_resol_mean 16.1419
_diffrn_measured_fraction_theta_full 0.982
_diffrn_measured_fraction_theta_max 0.982
_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  0.0418
_diffrn_reflns_av_sigmaI/netI    0.0461
_diffrn_reflns_limit_h_max       13
_diffrn_reflns_limit_h_min       -13
_diffrn_reflns_limit_k_max       13
_diffrn_reflns_limit_k_min       -13
_diffrn_reflns_limit_l_max       22
_diffrn_reflns_limit_l_min       -22
_diffrn_reflns_number            48699
_diffrn_reflns_theta_full        30.03
_diffrn_reflns_theta_max         30.03
_diffrn_reflns_theta_min         2.44
_exptl_absorpt_coefficient_mu    9.246
_exptl_absorpt_correction_T_max  1.00000
_exptl_absorpt_correction_T_min  0.63113
_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            'pale yellow'
_exptl_crystal_density_diffrn    2.230
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             788
_exptl_crystal_size_max          0.10
_exptl_crystal_size_mid          0.09
_exptl_crystal_size_min          0.05
_refine_diff_density_max         0.626
_refine_diff_density_min         -0.622
_refine_diff_density_rms         0.117
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.824
_refine_ls_hydrogen_treatment    riding
_refine_ls_matrix_type           full
_refine_ls_number_parameters     325
_refine_ls_number_reflns         7185
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.824
_refine_ls_R_factor_all          0.0284
_refine_ls_R_factor_gt           0.0166
_refine_ls_shift/su_max          0.004
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0042P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0231
_refine_ls_wR_factor_ref         0.0236
_reflns_number_gt                5478
_reflns_number_total             7185
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c1dt10606f.txt
_cod_data_source_block           pet20
_cod_original_cell_volume        1250.88(9)
_cod_database_code               7016694