Induction of one-handed helical oligo(p-benzamide)s by domino effect based on planar-axial-helical chirality relay.
Kamikawa, Ken; Fukumoto, Keisuke; Yoshihara, Kohei; Furusyo, Masaru; Uemura, Motokazu; Takemoto, Shin; Matsuzaka, Hiroyuki; Chemical communications (Cambridge, England) 34 (2009) 1201–1203; doi:10.1039/b818123c

data_7104228
_publ_section_title
;
 Induction of one-handed helical oligo(p-benzamide)s by domino effect
 based on planar-axial-helical chirality relay.
;
_journal_issue                   10
_journal_name_full
'Chemical communications (Cambridge, England)'
_journal_page_first              1201
_journal_page_last               1203
_journal_paper_doi               10.1039/b818123c
_journal_volume                  34
_journal_year                    2009
_chemical_formula_sum            'C18 H16 Fe I N O'
_chemical_formula_weight         445.07
_chemical_name_systematic
;
?
;
_space_group_IT_number           92
_symmetry_cell_setting           tetragonal
_symmetry_space_group_name_Hall  'P 4abw 2nw'
_symmetry_space_group_name_H-M   'P 41 21 2'
_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                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            8
_cell_length_a                   11.742(3)
_cell_length_b                   11.742(3)
_cell_length_c                   24.521(6)
_cell_measurement_temperature    296(2)
_cell_volume                     3381.0(13)
_computing_cell_refinement       'rigaku process auto'
_computing_data_collection       'rigaku process auto'
_computing_data_reduction        'rigaku process auto'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      296(2)
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device_type  'rigaku raxis rapid'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71075
_diffrn_reflns_av_R_equivalents  0.0256
_diffrn_reflns_av_sigmaI/netI    0.0152
_diffrn_reflns_limit_h_max       15
_diffrn_reflns_limit_h_min       -13
_diffrn_reflns_limit_k_max       15
_diffrn_reflns_limit_k_min       -15
_diffrn_reflns_limit_l_max       31
_diffrn_reflns_limit_l_min       -31
_diffrn_reflns_number            32883
_diffrn_reflns_theta_full        27.47
_diffrn_reflns_theta_max         27.47
_diffrn_reflns_theta_min         3.04
_exptl_absorpt_coefficient_mu    2.719
_exptl_absorpt_correction_T_max  0.7727
_exptl_absorpt_correction_T_min  0.7727
_exptl_absorpt_correction_type   empirical
_exptl_absorpt_process_details   abscor
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.749
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1744
_exptl_crystal_size_max          0.10
_exptl_crystal_size_mid          0.10
_exptl_crystal_size_min          0.10
_refine_diff_density_max         0.868
_refine_diff_density_min         -0.459
_refine_diff_density_rms         0.070
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   -0.01(3)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.029
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     199
_refine_ls_number_reflns         3878
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.029
_refine_ls_R_factor_all          0.0349
_refine_ls_R_factor_gt           0.0308
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0483P)^2^+1.2132P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0801
_refine_ls_wR_factor_ref         0.0827
_reflns_number_gt                3513
_reflns_number_total             3878
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            b818123c.txt
_cod_data_source_block           shelxl
_cod_original_sg_symbol_H-M      P41212
_cod_database_code               7104228