Functionalizing molecular wires: a tunable class of α,ω-diphenyl-μ,ν-dicyano-oligoenes
Meisner, Jeffrey S.; Sedbrook, Danielle F.; Krikorian, Markrete; Chen, Jun; Sattler, Aaron; Carnes, Matthew E.; Murray, Christopher B.; Steigerwald, Michael; Nuckolls, Colin; Chemical Science 3 (2012) 1007–; doi:10.1039/c2sc00770c

data_1515001
_publ_section_title
;
 Functionalizing molecular wires: a tunable class of
 \a,\w-diphenyl-\m,\n-dicyano-oligoenes
;
_journal_issue                   4
_journal_name_full               'Chemical Science'
_journal_page_first              1007
_journal_paper_doi               10.1039/c2sc00770c
_journal_volume                  3
_journal_year                    2012
_chemical_formula_sum            'C32 H32 N4 O6'
_chemical_formula_weight         568.62
_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                101.417(2)
_cell_angle_beta                 91.557(3)
_cell_angle_gamma                92.041(2)
_cell_formula_units_Z            1
_cell_length_a                   6.2483(10)
_cell_length_b                   7.1520(11)
_cell_length_c                   16.741(3)
_cell_measurement_reflns_used    3107
_cell_measurement_temperature    200(2)
_cell_measurement_theta_max      30.35
_cell_measurement_theta_min      2.48
_cell_volume                     732.4(2)
_computing_cell_refinement       'Bruker SAINT'
_computing_data_collection       'Bruker APEX2'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      200(2)
_diffrn_measured_fraction_theta_full 0.991
_diffrn_measured_fraction_theta_max 0.991
_diffrn_measurement_device_type  'Bruker APEX-II CCD'
_diffrn_measurement_method       '\f and \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  0.0546
_diffrn_reflns_av_sigmaI/netI    0.0821
_diffrn_reflns_limit_h_max       8
_diffrn_reflns_limit_h_min       -8
_diffrn_reflns_limit_k_max       10
_diffrn_reflns_limit_k_min       -10
_diffrn_reflns_limit_l_max       23
_diffrn_reflns_limit_l_min       -23
_diffrn_reflns_number            11762
_diffrn_reflns_theta_full        30.53
_diffrn_reflns_theta_max         30.53
_diffrn_reflns_theta_min         1.24
_exptl_absorpt_coefficient_mu    0.090
_exptl_absorpt_correction_T_max  0.9946
_exptl_absorpt_correction_T_min  0.9562
_exptl_absorpt_correction_type   empirical
_exptl_absorpt_process_details   SADABS
_exptl_crystal_colour            YELLOW
_exptl_crystal_density_diffrn    1.289
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       NEEDLE
_exptl_crystal_F_000             300
_exptl_crystal_size_max          0.50
_exptl_crystal_size_mid          0.10
_exptl_crystal_size_min          0.06
_refine_diff_density_max         0.268
_refine_diff_density_min         -0.218
_refine_diff_density_rms         0.047
_refine_ls_extinction_coef       0.0022(13)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     SHELXL
_refine_ls_goodness_of_fit_ref   1.005
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     197
_refine_ls_number_reflns         4437
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.005
_refine_ls_R_factor_all          0.1291
_refine_ls_R_factor_gt           0.0503
_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^)+(0.0399P)^2^+0.0307P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0926
_refine_ls_wR_factor_ref         0.1143
_reflns_number_gt                2300
_reflns_number_total             4437
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c2sc00770c.txt
_cod_data_source_block           DPDC5-CO2H
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Triclinic' changed to 'triclinic'
according to
/usr/data/users/saulius/automatic-downloads/retrospective/RSC/lib/dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 from
2011-04-26.

'_exptl_absorpt_correction_type' value 'EMPIRICAL'
changed to 'empirical' according to
/usr/data/users/saulius/automatic-downloads/retrospective/RSC/lib/dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 from 2011-04-26.

Automatic conversion script
Id: cif_fix_values 2281 2013-09-26 08:29:07Z andrius 
;
_cod_original_sg_symbol_H-M      P-1
_cod_database_code               1515001