Is it all in the hinge? A kryptoracemate and three of its alternative racemic polymorphs of an aminonitrile.
Laubenstein, R.; Şerb, M-D; Englert, U.; Raabe, G.; Braun, T.; Braun, B.; Chemical communications (Cambridge, England) 52 (2016) 1214–1217; doi:10.1039/c5cc08992a

data_7118358
_publ_section_title
;
 Is it all in the hinge? A kryptoracemate and three of its alternative
 racemic polymorphs of an aminonitrile.
;
_journal_issue                   6
_journal_name_full               'Chemical communications (Cambridge, England)'
_journal_page_first              1214
_journal_page_last               1217
_journal_paper_doi               10.1039/c5cc08992a
_journal_volume                  52
_journal_year                    2016
_chemical_formula_moiety         'C14 H7 F5 N2'
_chemical_formula_sum            'C14 H7 F5 N2'
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_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-2013
_audit_update_record
;
2015-07-22 deposited with the CCDC.
2015-11-18 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 90.3699(9)
_cell_angle_gamma                90
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_cell_measurement_temperature    100(2)
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_cell_measurement_theta_min      3.70
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_computing_structure_solution    'SHELXS-97 (Sheldrick 2008)'
_diffrn_ambient_temperature      100(2)
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_diffrn_measured_fraction_theta_max 0.992
_diffrn_measurement_device_type  'Bruker D8 VENTURE'
_diffrn_measurement_method       '\f and \w scans'
_diffrn_radiation_type           CuK\a
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_diffrn_reflns_limit_l_min       -16
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_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   SADABS
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_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0661P)^2^+6.9013P] where P=(Fo^2^+2Fc^2^)/3'
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_reflns_threshold_expression     'I > 2\s(I)'
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_cod_data_source_block           rac1a
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_shelx_res_checksum              592
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