The influence of different N-substituted groups on the mechanochromic properties of 1,4-dihydropyridine derivatives with simple structures
Zhou, Yibin; Qian, Lebin; Liu, Miaochang; Wu, Ge; Gao, Wenxia; Ding, Jinchang; Huang, Xiaobo; Wu, Huayue; RSC Advances 7 (2017) 51444–; doi:10.1039/C7RA09515E

data_7229523
_publ_section_title
;
 The influence of different N-substituted groups on the mechanochromic
 properties of 1,4-dihydropyridine derivatives with simple structures
;
_journal_issue                   81
_journal_name_full               'RSC Advances'
_journal_page_first              51444
_journal_paper_doi               10.1039/C7RA09515E
_journal_volume                  7
_journal_year                    2017
_chemical_formula_sum            'C23 H27 N O2'
_chemical_formula_weight         349.45
_chemical_name_systematic
; 
 ? 
;
_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   geom
_audit_creation_method           SHELXL-2013
_audit_update_record
;
2017-08-15 deposited with the CCDC.
2017-10-31 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 93.491(4)
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_cell_measurement_theta_min      4.680
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_computing_cell_refinement       'Bruker SMART'
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_computing_structure_refinement  'SHELXL-2013 (Sheldrick, 2013)'
_computing_structure_solution    'Bruker SHELXTL'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 0.972
_diffrn_measured_fraction_theta_max 0.999
_diffrn_measurement_device_type  'CCD area detector'
_diffrn_measurement_method       'phi and omega scans'
_diffrn_radiation_type           MoK\a
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_diffrn_reflns_point_group_measured_fraction_full 0.972
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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^)+(0.0745P)^2^+0.2842P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
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_reflns_threshold_expression     'I > 2\s(I)'
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_cod_original_cell_volume        1941.2(6)
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_shelx_res_checksum              90990