Probing the Dynamic Environment-Associated Conformational Conversion from Secondary to Supersecondary Structures in Oligo(phenanthroline dicarboxamide)s
Hai-Yu Hu; Wei Xue; Zhi-Qiang Hu; Jun-Feng Xiang; Chuan-Feng Chen; Sheng-Gui He; Journal of Organic Chemistry 74 (2009) 4949–4957; doi:10.1021/jo900647d

data_4024639
_publ_section_title
;
Probing the Dynamic Environment-Associated Conformational Conversion from
Secondary to Supersecondary Structures in Oligo(phenanthroline
dicarboxamide)s
;
_journal_name_full               'Journal of Organic Chemistry'
_journal_page_first              4949
_journal_page_last               4957
_journal_paper_doi               10.1021/jo900647d
_journal_volume                  74
_journal_year                    2009
_chemical_formula_sum            'C91 H93 N12 O13'
_chemical_formula_weight         1562.77
_chemical_name_systematic
; 
 ? 
;
_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                103.82(3)
_cell_angle_beta                 91.95(3)
_cell_angle_gamma                110.35(3)
_cell_formula_units_Z            2
_cell_length_a                   13.471(3)
_cell_length_b                   17.872(4)
_cell_length_c                   18.764(4)
_cell_measurement_reflns_used    32038
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      26.00
_cell_measurement_theta_min      1.13
_cell_volume                     4079.2(14)
_computing_cell_refinement       'Rapid Auto(Rigaku 2001)'
_computing_data_collection       'Rapid Auto(Rigaku 2001)'
_computing_data_reduction        'Rapid Auto(Rigaku 2001)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 0.948
_diffrn_measured_fraction_theta_max 0.948
_diffrn_measurement_device_type  'Rigaku Raxis Rapid IP'
_diffrn_measurement_method       oscillation
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'Rotating Anode'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0000
_diffrn_reflns_av_sigmaI/netI    0.4194
_diffrn_reflns_limit_h_max       16
_diffrn_reflns_limit_h_min       0
_diffrn_reflns_limit_k_max       20
_diffrn_reflns_limit_k_min       -22
_diffrn_reflns_limit_l_max       23
_diffrn_reflns_limit_l_min       -23
_diffrn_reflns_number            15195
_diffrn_reflns_theta_full        26.00
_diffrn_reflns_theta_max         26.00
_diffrn_reflns_theta_min         1.13
_exptl_absorpt_coefficient_mu    0.086
_exptl_absorpt_correction_T_max  1.2136
_exptl_absorpt_correction_T_min  0.8004
_exptl_absorpt_correction_type   empirical
_exptl_absorpt_process_details   abscor
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.272
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       platelet
_exptl_crystal_F_000             1654
_exptl_crystal_size_max          0.417
_exptl_crystal_size_mid          0.384
_exptl_crystal_size_min          0.115
_refine_diff_density_max         0.509
_refine_diff_density_min         -0.353
_refine_diff_density_rms         0.096
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.008
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     1037
_refine_ls_number_reflns         15195
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.008
_refine_ls_R_factor_all          0.4040
_refine_ls_R_factor_gt           0.1130
_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^)+(0.0400P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1551
_refine_ls_wR_factor_ref         0.2312
_reflns_number_gt                3033
_reflns_number_total             15195
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            jo900647d_si_004.cif
_cod_data_source_block           b
_cod_original_sg_symbol_H-M      P-1
_cod_database_code               4024639