Conformational properties and folding analysis of a series of seven oligoamide foldamers
Suhonen, Aku; Kortelainen, Minna; Nauha, Elisa; Yliniemelä-Sipari, Sanna; Pihko, Petri M.; Nissinen, Maija; CrystEngComm 18 (2016) 2005–; doi:10.1039/C5CE02458G

data_7224327
_publ_section_title
;
 Conformational properties and folding analysis of a series of seven
 oligoamide foldamers
;
_journal_issue                   11
_journal_name_full               CrystEngComm
_journal_page_first              2005
_journal_paper_doi               10.1039/C5CE02458G
_journal_volume                  18
_journal_year                    2016
_chemical_formula_moiety         'C26 H20 N4 O3'
_chemical_formula_sum            'C26 H20 N4 O3'
_chemical_formula_weight         436.46
_space_group_IT_number           61
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  '-P 2ac 2ab'
_symmetry_space_group_name_H-M   'P b c a'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_audit_update_record
;
2015-11-12 deposited with the CCDC.
2016-02-12 downloaded from the CCDC.
;
_cell_angle_alpha                90.00
_cell_angle_beta                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            8
_cell_length_a                   10.9333(6)
_cell_length_b                   18.0540(11)
_cell_length_c                   21.5317(14)
_cell_measurement_temperature    173(2)
_cell_volume                     4250.1(4)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      173(2)
_diffrn_measured_fraction_theta_full 0.966
_diffrn_measured_fraction_theta_max 0.966
_diffrn_measurement_device_type  'KappaCCD, Cu, APEX II'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           CuK\a
_diffrn_radiation_wavelength     1.54178
_diffrn_reflns_av_R_equivalents  0.0578
_diffrn_reflns_av_sigmaI/netI    0.0620
_diffrn_reflns_limit_h_max       12
_diffrn_reflns_limit_h_min       -12
_diffrn_reflns_limit_k_max       21
_diffrn_reflns_limit_k_min       -21
_diffrn_reflns_limit_l_max       24
_diffrn_reflns_limit_l_min       -24
_diffrn_reflns_number            6664
_diffrn_reflns_theta_full        66.77
_diffrn_reflns_theta_max         66.77
_diffrn_reflns_theta_min         4.11
_exptl_absorpt_coefficient_mu    0.744
_exptl_absorpt_correction_T_max  0.9853
_exptl_absorpt_correction_T_min  0.8187
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
Denzo (otwinowski, Borek, Majewski & Minor, 2003) 
;
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.364
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             1824
_exptl_crystal_size_max          0.28
_exptl_crystal_size_mid          0.20
_exptl_crystal_size_min          0.02
_refine_diff_density_max         0.173
_refine_diff_density_min         -0.240
_refine_diff_density_rms         0.051
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.039
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     307
_refine_ls_number_reflns         3634
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.039
_refine_ls_R_factor_all          0.1010
_refine_ls_R_factor_gt           0.0543
_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^)+(0.0573P)^2^+0.9474P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1132
_refine_ls_wR_factor_ref         0.1350
_reflns_number_gt                2276
_reflns_number_total             3634
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c5ce02458g2.cif
_cod_data_source_block           2-Form-II-at
_cod_depositor_comments
'Adding full bibliography for 7224320--7224336.cif.'
_cod_original_sg_symbol_H-M      Pbca
_cod_database_code               7224327