Silicon Compounds of 1,1-Bis(pyrrol-2-yl)ethenes: Molecular Structures and Chemical and Spectroscopic Properties
Kämpfe, Alexander; Kroke, Edwin; Wagler, Jörg; Organometallics 33 (2014) 112–; doi:10.1021/om400868w

data_4082588
_publ_section_title
;
 Silicon Compounds of 1,1-Bis(pyrrol-2-yl)ethenes: Molecular Structures
 and Chemical and Spectroscopic Properties
;
_journal_issue                   1
_journal_name_full               Organometallics
_journal_page_first              112
_journal_paper_doi               10.1021/om400868w
_journal_volume                  33
_journal_year                    2014
_chemical_formula_moiety         'C18 H26 N2'
_chemical_formula_sum            'C18 H26 N2'
_chemical_formula_weight         270.41
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           5
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  'C 2y'
_symmetry_space_group_name_H-M   'C 1 2 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                 104.015(4)
_cell_angle_gamma                90.00
_cell_formula_units_Z            2
_cell_length_a                   7.4204(5)
_cell_length_b                   8.5964(6)
_cell_length_c                   13.1503(9)
_cell_measurement_reflns_used    1295
_cell_measurement_temperature    200(2)
_cell_measurement_theta_max      23.32
_cell_measurement_theta_min      3.19
_cell_volume                     813.87(10)
_computing_cell_refinement       'Bruker SMART'
_computing_data_collection       'Bruker SMART'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'Ortep32 (Farugia)'
_computing_publication_material  'Shelx-97/ciftab(Sheldrick, 1997)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      200(2)
_diffrn_measured_fraction_theta_full 0.995
_diffrn_measured_fraction_theta_max 0.995
_diffrn_measurement_device_type  'CCD area detector'
_diffrn_measurement_method       'phi and omega 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  0.0427
_diffrn_reflns_av_sigmaI/netI    0.0320
_diffrn_reflns_limit_h_max       9
_diffrn_reflns_limit_h_min       -9
_diffrn_reflns_limit_k_max       11
_diffrn_reflns_limit_k_min       -11
_diffrn_reflns_limit_l_max       17
_diffrn_reflns_limit_l_min       -14
_diffrn_reflns_number            6630
_diffrn_reflns_theta_full        27.95
_diffrn_reflns_theta_max         27.95
_diffrn_reflns_theta_min         3.19
_exptl_absorpt_coefficient_mu    0.064
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.103
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       piece
_exptl_crystal_F_000             296
_exptl_crystal_size_max          0.45
_exptl_crystal_size_mid          0.15
_exptl_crystal_size_min          0.05
_refine_diff_density_max         0.126
_refine_diff_density_min         -0.146
_refine_diff_density_rms         0.030
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.019
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     95
_refine_ls_number_reflns         1046
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.018
_refine_ls_R_factor_all          0.0693
_refine_ls_R_factor_gt           0.0392
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0553P)^2^+0.0198P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0902
_refine_ls_wR_factor_ref         0.0994
_reflns_number_gt                716
_reflns_number_total             1046
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            om400868w_si_002.cif
_cod_data_source_block           compound2'
_cod_original_sg_symbol_Hall     C2y
_cod_original_sg_symbol_H-M      C2
_cod_database_code               4082588