Negative to positive axial thermal expansion switching of an organic crystal: contribution to multistep photoactuation.
Hasebe, Shodai; Hagiwara, Yuki; Ueno, Takashi; Asahi, Toru; Koshima, Hideko; Chemical science 15 (2024) 1088–1097; doi:10.1039/d3sc04796b

data_1570540
_publ_section_title
;
 Negative to positive axial thermal expansion switching of an organic
 crystal: contribution to multistep photoactuation.
;
_journal_issue                   3
_journal_name_full               'Chemical science'
_journal_page_first              1088
_journal_page_last               1097
_journal_paper_doi               10.1039/d3sc04796b
_journal_volume                  15
_journal_year                    2024
_chemical_formula_moiety         'C21 H26 N2 O3'
_chemical_formula_sum            'C21 H26 N2 O3'
_chemical_formula_weight         354.44
_space_group_crystal_system      triclinic
_space_group_IT_number           2
_space_group_name_Hall           '-P 1'
_space_group_name_H-M_alt        'P -1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     dual
_audit_creation_date             2022-06-06
_audit_creation_method
;
Olex2 1.5
(compiled 2022.04.07 svn.rca3783a0 for OlexSys, GUI svn.r6498)
;
_audit_update_record
;
2023-08-31 deposited with the CCDC.	2023-12-11 downloaded from the CCDC.
;
_cell_angle_alpha                101.079(7)
_cell_angle_beta                 92.174(6)
_cell_angle_gamma                101.364(7)
_cell_formula_units_Z            2
_cell_length_a                   6.0405(8)
_cell_length_b                   10.3230(13)
_cell_length_c                   16.826(2)
_cell_measurement_reflns_used    7419
_cell_measurement_temperature    313.55
_cell_measurement_theta_max      68
_cell_measurement_theta_min      4
_cell_volume                     1006.3(2)
_computing_molecular_graphics    'Olex2 1.5 (Dolomanov et al., 2009)'
_computing_publication_material  'Olex2 1.5 (Dolomanov et al., 2009)'
_computing_structure_refinement  'SHELXL 2014/6 (Sheldrick, 2015)'
_computing_structure_solution    'SHELXT 2014/4 (Sheldrick, 2014)'
_diffrn_ambient_temperature      313.55
_diffrn_detector_area_resol_mean 10
_diffrn_measured_fraction_theta_full 0.979
_diffrn_measured_fraction_theta_max 0.973
_diffrn_measurement_device_type  RAPID
_diffrn_measurement_method       '\w scans'
_diffrn_radiation_type           CuK\a
_diffrn_radiation_wavelength     1.54187
_diffrn_reflns_av_R_equivalents  0.0689
_diffrn_reflns_av_unetI/netI     0.0723
_diffrn_reflns_Laue_measured_fraction_full 0.979
_diffrn_reflns_Laue_measured_fraction_max 0.973
_diffrn_reflns_limit_h_max       7
_diffrn_reflns_limit_h_min       -7
_diffrn_reflns_limit_k_max       12
_diffrn_reflns_limit_k_min       -12
_diffrn_reflns_limit_l_max       20
_diffrn_reflns_limit_l_min       -20
_diffrn_reflns_number            11191
_diffrn_reflns_point_group_measured_fraction_full 0.979
_diffrn_reflns_point_group_measured_fraction_max 0.973
_diffrn_reflns_theta_full        67.687
_diffrn_reflns_theta_max         68.167
_diffrn_reflns_theta_min         4.463
_exptl_absorpt_coefficient_mu    0.629
_exptl_absorpt_correction_T_max  1
_exptl_absorpt_correction_T_min  0.6656
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   ABSCOR(Rigaku,1995)
_exptl_crystal_colour            'clear yellowish yellow'
_exptl_crystal_colour_lustre     clear
_exptl_crystal_colour_modifier   yellowish
_exptl_crystal_colour_primary    yellow
_exptl_crystal_density_diffrn    1.170
_exptl_crystal_description       prism
_exptl_crystal_F_000             380
_exptl_crystal_size_max          1
_exptl_crystal_size_mid          0.6
_exptl_crystal_size_min          0.3
_refine_diff_density_max         0.136
_refine_diff_density_min         -0.234
_refine_diff_density_rms         0.051
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.094
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     273
_refine_ls_number_reflns         3589
_refine_ls_number_restraints     72
_refine_ls_restrained_S_all      1.101
_refine_ls_R_factor_all          0.1342
_refine_ls_R_factor_gt           0.0823
_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^)+(0.0958P)^2^+0.0184P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1982
_refine_ls_wR_factor_ref         0.2249
_reflns_Friedel_coverage         0.000
_reflns_number_gt                1818
_reflns_number_total             3589
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d3sc04796b3.cif
_cod_data_source_block           40point4degC
_cod_depositor_comments
'Adding full bibliography for 1570536--1570543.cif.'
_cod_database_code               1570540
_shelxl_version_number           2014/6
_shelx_estimated_absorpt_t_max   1
_shelx_estimated_absorpt_t_min   0.6656
_olex2_refinement_description
;
1. Fixed Uiso
 At 1.2 times of:
  All C(H) groups
 At 1.5 times of:
  All C(H,H,H) groups, All O(H) groups
2. Uiso/Uaniso restraints and constraints
C2 \\sim C00I \\sim C1 \\sim C00R: within 2A with sigma of 0.04 and sigma for
terminal atoms of 0.08 within 2A
C00I \\sim C00O \\sim C00P \\sim C00Q: within 2A with sigma of 0.04 and sigma
for terminal atoms of 0.08 within 2A
3. Rigid body (RIGU) restrains
 C2, C00I, C1, C00R
 with sigma for 1-2 distances of 0.004 and sigma for 1-3 distances of 0.004
 C00O, C00P, C00I, C00Q
 with sigma for 1-2 distances of 0.004 and sigma for 1-3 distances of 0.004
4. Others
 Sof(C1)=Sof(H1A)=Sof(H1B)=Sof(H1C)=Sof(C2)=Sof(H2A)=Sof(H2B)=Sof(H2C)=
 Sof(C00R)=Sof(H00Y)=Sof(H)=Sof(HA)=1-FVAR(1)
 Sof(C00O)=Sof(H00P)=Sof(H00Q)=Sof(H00R)=Sof(C00P)=Sof(H00S)=Sof(H00T)=
 Sof(H00U)=Sof(C00Q)=Sof(H00V)=Sof(H00W)=Sof(H00X)=FVAR(1)
5.a Aromatic/amide H refined with riding coordinates:
 C009(H009), C00B(H00B), C00D(H00D), C00E(H00E), C00H(H00H), C00J(H00J),
 C00K(H00K)
5.b Idealised Me refined as rotating group:
 C00L(H00A,H00C,H00F), C00M(H00G,H00I,H00L), C00N(H00M,H00N,H00O), C00O(H00P,
 H00Q,H00R), C00P(H00S,H00T,H00U), C00Q(H00V,H00W,H00X), C1(H1A,H1B,H1C),
 C2(H2A,H2B,H2C), C00R(H00Y,H,HA)
5.c Idealised tetrahedral OH refined as rotating group:
 O001(H001)
;
_shelx_res_checksum              3059
_shelx_hkl_checksum              79158
_olex2_submission_special_instructions 'No special instructions were received'