Olefin Metathesis Catalysts Containing Acyclic Diaminocarbenes
Rosen, Evelyn L.; Sung, Daphne H.; Chen, Zheng; Lynch, Vincent M.; Bielawski, Christopher W.; Organometallics 29 (2010) 250–; doi:10.1021/om9008718

data_4067342
_publ_section_title
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 Olefin Metathesis Catalysts Containing Acyclic Diaminocarbenes
;
_journal_issue                   1
_journal_name_full               Organometallics
_journal_page_first              250
_journal_paper_doi               10.1021/om9008718
_journal_volume                  29
_journal_year                    2010
_chemical_formula_moiety
'C21 H26 N2, C21 H27 N2, C7 H7, C5 H12, Ru, 2 Cl'
_chemical_formula_sum            'C54 H72 Cl2 N4 Ru'
_chemical_formula_weight         949.13
_chemical_name_systematic
;
 ?
;
_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'
_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                 110.185(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            8
_cell_length_a                   32.304(4)
_cell_length_b                   19.894(2)
_cell_length_c                   15.1162(17)
_cell_measurement_reflns_used    45527
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      27.5
_cell_measurement_theta_min      2.0
_cell_volume                     9117.9(18)
_computing_cell_refinement       'CrystalClear (Rigaku Inc., 2008)'
_computing_data_collection       'CrystalClear (Rigaku Inc., 2008)'
_computing_data_reduction        'CrystalClear (Rigaku Inc., 2008)'
_computing_molecular_graphics    'XP SHELXTL/PC, Siemens Analytical'
_computing_structure_refinement  'XL SHELXTL/PC, Siemens Analytical'
_computing_structure_solution
;

SIR97 - Altomare A., Burla M.C., Camalli M., Cascarano G.L., Giacovazzo C., 
Guagliardi A., Moliterni A.G.G., Polidori G.,Spagna R.
;
_diffrn_ambient_temperature      100(2)
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device_type  'Rigaku AFC-12 Saturn 724+'
_diffrn_measurement_method       \w-scans
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0709
_diffrn_reflns_av_sigmaI/netI    0.0647
_diffrn_reflns_limit_h_max       41
_diffrn_reflns_limit_h_min       -41
_diffrn_reflns_limit_k_max       25
_diffrn_reflns_limit_k_min       -25
_diffrn_reflns_limit_l_max       18
_diffrn_reflns_limit_l_min       -19
_diffrn_reflns_number            44707
_diffrn_reflns_theta_full        27.48
_diffrn_reflns_theta_max         27.48
_diffrn_reflns_theta_min         3.03
_exptl_absorpt_coefficient_mu    0.504
_exptl_absorpt_correction_T_max  0.98
_exptl_absorpt_correction_T_min  0.74
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
Abscor. 
T. Higashi, Rigaku Corporation, Tokyo, Japan, 2001.
;
_exptl_crystal_colour            green
_exptl_crystal_density_diffrn    1.383
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       needles
_exptl_crystal_F_000             4016
_exptl_crystal_size_max          0.24
_exptl_crystal_size_mid          0.06
_exptl_crystal_size_min          0.04
_refine_diff_density_max         1.067
_refine_diff_density_min         -0.903
_refine_diff_density_rms         0.096
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.062
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     523
_refine_ls_number_reflns         10431
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.062
_refine_ls_R_factor_all          0.0704
_refine_ls_R_factor_gt           0.0500
_refine_ls_shift/su_max          0.003
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0535P)^2^+8.8789P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1118
_refine_ls_wR_factor_ref         0.1201
_reflns_number_gt                8038
_reflns_number_total             10431
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            om9008718_si_002.cif
_cod_data_source_block           elr136
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
according to /home/saulius/struct/CIF-dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.1 from 2010-06-29.

Automatic conversion script
Id: cif_fix_values 1715 2011-07-08 13:25:40Z adriana 
;
_cod_original_sg_symbol_H-M      C2/c
_cod_database_code               4067342