Supramolecular chirality and symmetry breaking of fluoride complexes of achiral foldamers
Helttunen, Kaisa; Annala, Riia; Suhonen, Aku; Nauha, Elisa; Linnanto, Juha; Nissinen, Maija; CrystEngComm  (2017) –; doi:10.1039/C7CE01109A

data_7228916
_publ_section_title
;
 Supramolecular chirality and symmetry breaking of fluoride complexes of
 achiral foldamers
;
_journal_name_full               CrystEngComm
_journal_paper_doi               10.1039/C7CE01109A
_journal_year                    2017
_chemical_formula_moiety         'C33 H23 N7 O8'
_chemical_formula_sum            'C33 H23 N7 O8'
_chemical_formula_weight         645.58
_chemical_name_common
N2,N6-bis(2-(2-nitrobenzamido)phenyl)pyridine-2,6-dicarboxamide
_space_group_crystal_system      monoclinic
_space_group_IT_number           14
_space_group_name_Hall           '-P 2ybc'
_space_group_name_H-M_alt        'P 1 21/c 1'
_symmetry_space_group_name_Hall  '-P 2ybc'
_symmetry_space_group_name_H-M   'P 1 21/c 1'
_atom_sites_solution_hydrogens   mixed
_audit_creation_method           SHELXL-2014/6
_audit_update_record
;
2017-08-04 deposited with the CCDC.
2017-08-16 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 98.9550(7)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   14.96763(11)
_cell_length_b                   15.13591(11)
_cell_length_c                   12.96566(10)
_cell_measurement_reflns_used    17025
_cell_measurement_temperature    120(2)
_cell_measurement_theta_max      76.3900
_cell_measurement_theta_min      3.8170
_cell_volume                     2901.55(4)
_computing_structure_refinement  'SHELXL-2014/6 (Sheldrick, 2014)'
_diffrn_ambient_environment      air
_diffrn_ambient_temperature      120(2)
_diffrn_detector                 'CCD plate'
_diffrn_detector_type            Atlas
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.996
_diffrn_measurement_device       'four-circle diffractometer'
_diffrn_measurement_device_type  'SuperNova, Dual, Cu at zero, Atlas'
_diffrn_measurement_method       '\w scans'
_diffrn_radiation_monochromator  mirror
_diffrn_radiation_probe          x-ray
_diffrn_radiation_type           'Cu K\a'
_diffrn_radiation_wavelength     1.54184
_diffrn_reflns_av_R_equivalents  0.0336
_diffrn_reflns_av_unetI/netI     0.0220
_diffrn_reflns_Laue_measured_fraction_full 0.999
_diffrn_reflns_Laue_measured_fraction_max 0.996
_diffrn_reflns_limit_h_max       18
_diffrn_reflns_limit_h_min       -18
_diffrn_reflns_limit_k_max       19
_diffrn_reflns_limit_k_min       -19
_diffrn_reflns_limit_l_max       16
_diffrn_reflns_limit_l_min       -15
_diffrn_reflns_number            31292
_diffrn_reflns_point_group_measured_fraction_full 0.999
_diffrn_reflns_point_group_measured_fraction_max 0.996
_diffrn_reflns_theta_full        67.684
_diffrn_reflns_theta_max         76.900
_diffrn_reflns_theta_min         4.180
_diffrn_source                   'micro-focus sealed X-ray tube'
_diffrn_source_type              'SuperNova (Cu) X-ray Source'
_exptl_absorpt_coefficient_mu    0.913
_exptl_absorpt_correction_T_max  0.979
_exptl_absorpt_correction_T_min  0.952
_exptl_absorpt_correction_type   analytical
_exptl_absorpt_process_details
;
CrysAlisPro 1.171.38.41 (Rigaku Oxford Diffraction, 2015)
Analytical numeric absorption correction using a multifaceted crystal
            model based on expressions derived by R.C. Clark & J.S. Reid.
(Clark, R. C. & Reid, J. S. (1995). Acta Cryst. A51, 887-897)
Empirical absorption correction using spherical harmonics,
 implemented in SCALE3 ABSPACK scaling algorithm.
;
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.478
_exptl_crystal_description       plate
_exptl_crystal_F_000             1336
_exptl_crystal_recrystallization_method
'Re-crystallisation from solvent: DMSO-d6'
_exptl_crystal_size_max          0.320
_exptl_crystal_size_mid          0.267
_exptl_crystal_size_min          0.119
_refine_diff_density_max         0.229
_refine_diff_density_min         -0.208
_refine_diff_density_rms         0.039
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.044
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     445
_refine_ls_number_reflns         6089
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.044
_refine_ls_R_factor_all          0.0383
_refine_ls_R_factor_gt           0.0341
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0465P)^2^+0.8294P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0888
_refine_ls_wR_factor_ref         0.0924
_reflns_Friedel_coverage         0.000
_reflns_number_gt                5469
_reflns_number_total             6089
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            c7ce01109a2.cif
_cod_data_source_block           3
_cod_database_code               7228916
_shelx_estimated_absorpt_t_min   0.759
_shelx_estimated_absorpt_t_max   0.899
_oxdiff_exptl_absorpt_empirical_full_min 0.860
_oxdiff_exptl_absorpt_empirical_full_max 1.272
_oxdiff_exptl_absorpt_empirical_details
;
Empirical correction (ABSPACK) includes:
- Absorption correction using spherical harmonics
- Frame scaling
;
_shelxl_version_number           2014/6
_shelx_res_checksum              90717