Crystalline azobenzene composites as photochemical phase-change materials
Griffiths, Kieran; Halcovitch, Nathan R.; Griffin, John M.; New Journal of Chemistry 46 (2022) 4057–4061; doi:10.1039/D2NJ00755J

data_7061303
_publ_section_title
;
 Crystalline azobenzene composites as photochemical phase-change materials
;
_journal_issue                   9
_journal_name_full               'New Journal of Chemistry'
_journal_page_first              4057
_journal_page_last               4061
_journal_paper_doi               10.1039/D2NJ00755J
_journal_volume                  46
_journal_year                    2022
_chemical_formula_moiety         'C12.843 H11.528 N2 O0.871'
_chemical_formula_sum            'C12.84 H11.53 N2 O0.87'
_chemical_formula_weight         207.80
_space_group_crystal_system      orthorhombic
_space_group_IT_number           33
_space_group_name_Hall           'P 2c -2n'
_space_group_name_H-M_alt        'P n a 21'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     dual
_audit_creation_date             2021-08-04
_audit_creation_method
;
Olex2 1.5
(compiled 2021.07.19 svn.r715e62df for OlexSys, GUI svn.r6383)
;
_audit_update_record
;
2021-09-10 deposited with the CCDC.	2022-02-15 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   12.3562(4)
_cell_length_b                   12.2190(3)
_cell_length_c                   7.2704(2)
_cell_measurement_reflns_used    5214
_cell_measurement_temperature    100.00(10)
_cell_measurement_theta_max      74.1550
_cell_measurement_theta_min      5.0750
_cell_volume                     1097.69(5)
_computing_cell_refinement       'CrysAlisPro 1.171.41.93a (Rigaku OD, 2020)'
_computing_data_collection       'CrysAlisPro 1.171.41.93a (Rigaku OD, 2020)'
_computing_data_reduction        'CrysAlisPro 1.171.41.93a (Rigaku OD, 2020)'
_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_environment      N~2~
_diffrn_ambient_temperature      100.00(10)
_diffrn_detector                 'CCD plate'
_diffrn_detector_area_resol_mean 5.2282
_diffrn_detector_type            AtlasS2
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 0.994
_diffrn_measurement_details
;
List of Runs (angles in degrees, time in seconds):

  # Type    Start    End  Width  t~exp~   \w     \q     \k     \f   Frames
  1  \w    -69.00  28.00   1.00    2.00    --  -42.28  57.00  30.00   97
  2  \w   -112.00 -16.00   1.00    2.00    --  -42.28 -57.00-120.00   96
  3  \w    -87.00  -6.00   1.00    2.00    --  -42.28 125.00  60.00   81
  4  \w     36.00 109.00   1.00    8.00    --  111.00-111.00 -30.00   73
  5  \w    103.00 178.00   1.00    8.00    --  111.00  77.00 -60.00   75
  6  \w     41.00 139.00   1.00    8.00    --  111.00 -61.00 -60.00   98
  7  \w    103.00 178.00   1.00    8.00    --  111.00  77.00-150.00   75
  8  \w    103.00 178.00   1.00    8.00    --  111.00  77.00 -30.00   75
  9  \w    103.00 178.00   1.00    8.00    --  111.00  77.00-120.00   75
 10  \w    103.00 178.00   1.00    8.00    --  111.00  77.00  90.00   75
 11  \w     30.00 107.00   1.00    8.00    --  111.00 -94.00 150.00   77
 12  \w    103.00 178.00   1.00    8.00    --  111.00  77.00 150.00   75
 13  \w   -112.00 -16.00   1.00    2.00    --  -42.28 -57.00  60.00   96
 14  \w   -112.00 -16.00   1.00    2.00    --  -42.28 -57.00 -30.00   96
 15  \w     87.00 178.00   1.00    8.00    --  111.00  30.00  60.00   91
 16  \w     66.00 124.00   1.00    8.00    --  111.00  15.00-150.00   58
;
_diffrn_measurement_device       'four-circle diffractometer'
_diffrn_measurement_device_type  'SuperNova, Dual, Cu at home/near, AtlasS2'
_diffrn_measurement_method       '\w scans'
_diffrn_orient_matrix_type
'CrysAlisPro convention (1999,Acta A55,543-557)'
_diffrn_orient_matrix_UB_11      -0.0543650000
_diffrn_orient_matrix_UB_12      0.0965144000
_diffrn_orient_matrix_UB_13      0.0978379000
_diffrn_orient_matrix_UB_21      0.0474737000
_diffrn_orient_matrix_UB_22      0.1853790000
_diffrn_orient_matrix_UB_23      -0.0377408000
_diffrn_orient_matrix_UB_31      -0.1016502000
_diffrn_orient_matrix_UB_32      0.0347875000
_diffrn_orient_matrix_UB_33      -0.0700397000
_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  0.0171
_diffrn_reflns_av_unetI/netI     0.0117
_diffrn_reflns_Laue_measured_fraction_full 1.000
_diffrn_reflns_Laue_measured_fraction_max 0.994
_diffrn_reflns_limit_h_max       15
_diffrn_reflns_limit_h_min       -13
_diffrn_reflns_limit_k_max       15
_diffrn_reflns_limit_k_min       -15
_diffrn_reflns_limit_l_max       9
_diffrn_reflns_limit_l_min       -9
_diffrn_reflns_number            8429
_diffrn_reflns_point_group_measured_fraction_full 0.995
_diffrn_reflns_point_group_measured_fraction_max 0.983
_diffrn_reflns_theta_full        67.684
_diffrn_reflns_theta_max         76.183
_diffrn_reflns_theta_min         5.091
_diffrn_source                   'micro-focus sealed X-ray tube'
_diffrn_source_type              'SuperNova (Cu) X-ray Source'
_exptl_absorpt_coefficient_mu    0.646
_exptl_absorpt_correction_T_max  1.00000
_exptl_absorpt_correction_T_min  0.93320
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
CrysAlisPro 1.171.41.93a (Rigaku Oxford Diffraction, 2020)
Empirical absorption correction using spherical harmonics,
implemented in SCALE3 ABSPACK scaling algorithm.
;
_exptl_crystal_colour            orange
_exptl_crystal_colour_primary    orange
_exptl_crystal_density_diffrn    1.257
_exptl_crystal_description       plate
_exptl_crystal_F_000             438
_exptl_crystal_recrystallization_method 'From the Melt'
_exptl_crystal_size_max          0.12
_exptl_crystal_size_mid          0.07
_exptl_crystal_size_min          0.02
_refine_diff_density_max         0.158
_refine_diff_density_min         -0.146
_refine_diff_density_rms         0.027
_refine_ls_abs_structure_details
;
 Flack x determined using 962 quotients [(I+)-(I-)]/[(I+)+(I-)]
 (Parsons, Flack and Wagner, Acta Cryst. B69 (2013) 249-259).
;
_refine_ls_abs_structure_Flack   0.04(9)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.097
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     148
_refine_ls_number_reflns         2247
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.097
_refine_ls_R_factor_all          0.0353
_refine_ls_R_factor_gt           0.0345
_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^)+(0.0562P)^2^+0.1033P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1009
_refine_ls_wR_factor_ref         0.1018
_reflns_Friedel_coverage         0.827
_reflns_Friedel_fraction_full    0.989
_reflns_Friedel_fraction_max     0.969
_reflns_number_gt                2183
_reflns_number_total             2247
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d2nj00755j2.cif
_cod_data_source_block           jg154_1_100_00
_cod_depositor_comments
'Adding full bibliography for 7061294--7061305.cif.'
_cod_database_code               7061303
_shelxl_version_number           2014/6
_chemical_oxdiff_formula         'C13 H12 N2 O1'
_shelx_estimated_absorpt_t_max   0.987
_shelx_estimated_absorpt_t_min   0.927
_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
2. Others
 Sof(C13)=Sof(H13A)=Sof(H13B)=Sof(H13C)=FVAR(1)
3.a Aromatic/amide H refined with riding coordinates:
 C2(H2), C3(H3), C5(H5), C6(H6), C8(H8), C9(H9), C10(H10), C11(H11), C12(H12)
3.b Idealised Me refined as rotating group:
 C13(H13A,H13B,H13C)
;
_shelx_res_checksum              47551
_olex2_exptl_crystal_mounting_method 'mounted on a Mitegen loop'
_olex2_submission_special_instructions 'No special instructions were received'
_oxdiff_exptl_absorpt_empirical_details
;
Empirical correction (ABSPACK) includes:
- Absorption correction using spherical harmonics
- Frame scaling
;
_oxdiff_exptl_absorpt_empirical_full_max 1.155
_oxdiff_exptl_absorpt_empirical_full_min 0.841