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_7224328
_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 H21 N5 O3'
_chemical_formula_sum            'C26 H21 N5 O3'
_chemical_formula_weight         451.48
_chemical_name_systematic
N2-(2-aminophenyl)-N6-(2-benzamidophenyl)pyridine-2,6-dicarboxamide
_space_group_crystal_system      triclinic
_space_group_IT_number           2
_space_group_name_Hall           '-P 1'
_space_group_name_H-M_alt        'P -1'
_symmetry_space_group_name_Hall  '-P 1'
_symmetry_space_group_name_H-M   'P -1'
_atom_sites_solution_hydrogens   mixed
_audit_creation_method           SHELXL-2014/6
_audit_update_record
;
2015-11-12 deposited with the CCDC.
2016-02-12 downloaded from the CCDC.
;
_cell_angle_alpha                74.437(3)
_cell_angle_beta                 75.224(3)
_cell_angle_gamma                78.208(3)
_cell_formula_units_Z            2
_cell_length_a                   8.5193(3)
_cell_length_b                   9.8054(4)
_cell_length_c                   14.3709(4)
_cell_measurement_reflns_used    9404
_cell_measurement_temperature    173(2)
_cell_measurement_theta_max      28.9170
_cell_measurement_theta_min      2.1690
_cell_volume                     1106.25(7)
_computing_structure_refinement  'SHELXL-2014/6 (Sheldrick, 2014)'
_diffrn_ambient_temperature      173(2)
_diffrn_detector_area_resol_mean 16.0107
_diffrn_measured_fraction_theta_full 0.9998
_diffrn_measured_fraction_theta_max 0.9038
_diffrn_measurement_device_type  'SuperNova, Single source at offset, Eos'
_diffrn_measurement_method       '\w scans'
_diffrn_radiation_monochromator  mirror
_diffrn_radiation_source         'SuperNova (Mo) X-ray Source'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.7107
_diffrn_reflns_av_R_equivalents  0.0265
_diffrn_reflns_av_sigmaI/netI    0.0331
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       -11
_diffrn_reflns_limit_k_max       13
_diffrn_reflns_limit_k_min       -12
_diffrn_reflns_limit_l_max       19
_diffrn_reflns_limit_l_min       -18
_diffrn_reflns_number            23956
_diffrn_reflns_theta_full        26.3154
_diffrn_reflns_theta_max         29.2849
_diffrn_reflns_theta_min         2.1794
_exptl_absorpt_coefficient_mu    0.092
_exptl_absorpt_correction_T_max  1.00000
_exptl_absorpt_correction_T_min  0.81216
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
CrysAlisPro, Agilent Technologies,
Version 1.171.36.28 (release 01-02-2013 CrysAlis171 .NET)
(compiled Feb  1 2013,16:14:44)
Empirical absorption correction using spherical harmonics,
 implemented in SCALE3 ABSPACK scaling algorithm.
;
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.355
_exptl_crystal_description       block
_exptl_crystal_F_000             472
_exptl_crystal_size_max          0.260
_exptl_crystal_size_mid          0.120
_exptl_crystal_size_min          0.080
_refine_diff_density_max         0.240
_refine_diff_density_min         -0.217
_refine_diff_density_rms         0.043
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.100
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     322
_refine_ls_number_reflns         5460
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.100
_refine_ls_R_factor_all          0.0568
_refine_ls_R_factor_gt           0.0439
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0319P)^2^+0.6052P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1054
_refine_ls_wR_factor_ref         0.1126
_reflns_Friedel_coverage         0.000
_reflns_number_gt                4446
_reflns_number_total             5460
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            c5ce02458g2.cif
_cod_data_source_block           3-Form-I-at
_cod_depositor_comments
'Adding full bibliography for 7224320--7224336.cif.'
_cod_database_code               7224328
_shelx_estimated_absorpt_t_min   0.977
_shelx_estimated_absorpt_t_max   0.993
_shelxl_version_number           2014/6
_shelx_res_checksum              87339