Novel Periphery-Functionalized Solvatochromic Nitrostilbenes As Precursors for Class II Hybrid Materials
Schreiter, Katja; Hofmann, Katja; Seifert, Andreas; Oehlke, Alexander; Ladewig, Katharina; Rüffer, Tobias; Lang, Heinrich; Spange, Stefan; Chemistry of Materials 22 (2010) 2720–; doi:10.1021/cm903048u

data_4000944
_publ_section_title
;
 Novel Periphery-Functionalized Solvatochromic Nitrostilbenes As
 Precursors for Class II Hybrid Materials
;
_journal_issue                   9
_journal_name_full               'Chemistry of Materials'
_journal_page_first              2720
_journal_paper_doi               10.1021/cm903048u
_journal_volume                  22
_journal_year                    2010
_chemical_formula_sum            'C17 H17 N3 O6'
_chemical_formula_weight         359.34
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2yn'
_symmetry_space_group_name_H-M   'P 1 21/n 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                 98.891(4)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   6.6544(3)
_cell_length_b                   14.0082(5)
_cell_length_c                   17.2852(7)
_cell_measurement_reflns_used    2101
_cell_measurement_temperature    100
_cell_measurement_theta_max      65.7233
_cell_measurement_theta_min      3.1576
_cell_volume                     1591.90(11)
_computing_cell_refinement
;
CrysAlis RED, Oxford Diffraction Ltd.,
Version 1.171.32.37 (release 24-10-2008 CrysAlis171 .NET)
(compiled Oct 24 2008,09:44:38)
;
_computing_data_collection
;
CrysAlis CCD, Oxford Diffraction Ltd.,
Version 1.171.32.37 (release 24-10-2008 CrysAlis171 .NET)
(compiled Oct 24 2008,09:44:38)
;
_computing_data_reduction
;
CrysAlis RED, Oxford Diffraction Ltd.,
Version 1.171.32.37 (release 24-10-2008 CrysAlis171 .NET)
(compiled Oct 24 2008,09:44:38)
;
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXs-97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      100
_diffrn_measured_fraction_theta_full 0.980
_diffrn_measured_fraction_theta_max 0.980
_diffrn_measurement_device_type  'oxford gemini s'
_diffrn_measurement_method       '\w scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           CuK\a
_diffrn_radiation_wavelength     1.54184
_diffrn_reflns_av_R_equivalents  0.0441
_diffrn_reflns_av_sigmaI/netI    0.0559
_diffrn_reflns_limit_h_max       6
_diffrn_reflns_limit_h_min       -7
_diffrn_reflns_limit_k_max       16
_diffrn_reflns_limit_k_min       -14
_diffrn_reflns_limit_l_max       19
_diffrn_reflns_limit_l_min       -15
_diffrn_reflns_number            4972
_diffrn_reflns_theta_full        61.99
_diffrn_reflns_theta_max         61.99
_diffrn_reflns_theta_min         4.08
_diffrn_standards_decay_%        0
_diffrn_standards_interval_count 50
_diffrn_standards_interval_time  10
_diffrn_standards_number         2
_exptl_absorpt_coefficient_mu    0.976
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            needle
_exptl_crystal_density_diffrn    1.499
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       red
_exptl_crystal_F_000             752
_exptl_crystal_size_max          0.4
_exptl_crystal_size_mid          0.08
_exptl_crystal_size_min          0.08
_refine_diff_density_max         0.463
_refine_diff_density_min         -0.471
_refine_diff_density_rms         0.158
_refine_ls_extinction_coef       0.0045(11)
_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   1.001
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     248
_refine_ls_number_reflns         2454
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.001
_refine_ls_R_factor_all          0.1008
_refine_ls_R_factor_gt           0.0821
_refine_ls_shift/su_max          0.006
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.1642P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.2173
_refine_ls_wR_factor_ref         0.2268
_reflns_number_gt                1660
_reflns_number_total             2454
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            cm903048u_si_003.cif
_cod_data_source_block           stilben1
_cod_original_sg_symbol_H-M      P2(1)/n
_cod_database_code               4000944