A coloring tool for spiropyrans: solid state metal‒organic complexation versus salification
Seiler, Vanessa Kristina; Robeyns, Koen; Tumanov, Nikolay; Cinčić, Dominik; Wouters, Johan; Champagne, Benoit; Leyssens, Tom; CrystEngComm 21 (2019) 4925–; doi:10.1039/C9CE00805E

data_7233054
_publ_section_title
;
 A coloring tool for spiropyrans: solid state metal--organic complexation
 versus salification
;
_journal_issue                   33
_journal_name_full               CrystEngComm
_journal_page_first              4925
_journal_paper_doi               10.1039/C9CE00805E
_journal_volume                  21
_journal_year                    2019
_chemical_formula_moiety         'C20 H20 N O2, Zn 2+, 2(Br 1-), C2 H6 O1'
_chemical_formula_sum            'C22 H26 Br2 N O3 Zn'
_chemical_formula_weight         577.63
_chemical_name_common
'zinc(2+) ion 2-[(E)-2-(3-methoxy-2-oxidophenyl)ethenyl]-1,3,3-trimethyl-3H-indol-1-ium ethanol dibromide'
_chemical_name_systematic
'zinc(2+) ion 2-[(E)-2-(3-methoxy-2-oxidophenyl)ethenyl]-1,3,3-trimethyl-3H-indol-1-ium ethanol dibromide'
_space_group_crystal_system      triclinic
_space_group_IT_number           2
_space_group_name_Hall           '-P 1'
_space_group_name_H-M_alt        'P -1'
_symmetry_space_group_name_Hall  '-P 1'
_symmetry_space_group_name_H-M   'P -1'
_atom_sites_solution_hydrogens   mixed
_atom_sites_solution_primary     dual
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-2018/3
_audit_update_record
;
2019-01-18 deposited with the CCDC.    2019-07-09 downloaded from the CCDC.
;
_cell_angle_alpha                84.876(3)
_cell_angle_beta                 77.406(2)
_cell_angle_gamma                65.333(3)
_cell_formula_units_Z            4
_cell_length_a                   10.1512(3)
_cell_length_b                   12.0717(4)
_cell_length_c                   21.8754(7)
_cell_measurement_reflns_used    13432
_cell_measurement_temperature    295(2)
_cell_measurement_theta_max      66.7920
_cell_measurement_theta_min      4.4990
_cell_volume                     2377.43(14)
_computing_cell_refinement       'CrysAlisPro 1.171.40.16b (Rigaku OD, 2018)'
_computing_data_collection       'CrysAlisPro 1.171.39.46 (Rigaku OD, 2018)'
_computing_data_reduction        'CrysAlisPro 1.171.40.16b (Rigaku OD, 2018)'
_computing_structure_refinement  'SHELXL-2018/3 (Sheldrick, 2018)'
_computing_structure_solution    'SHELXT 2014/5 (Sheldrick, 2014)'
_diffrn_ambient_temperature      295(2)
_diffrn_detector_area_resol_mean 5.1856
_diffrn_measured_fraction_theta_full 0.991
_diffrn_measured_fraction_theta_max 0.991
_diffrn_measurement_device_type
;
Oxford Diffraction Xcalibur, Ruby, Gemini Ultra
;
_diffrn_measurement_method       '\w scans'
_diffrn_radiation_monochromator  'multilayer mirror'
_diffrn_radiation_type           CuK\a
_diffrn_radiation_wavelength     1.54184
_diffrn_reflns_av_R_equivalents  0.0354
_diffrn_reflns_av_unetI/netI     0.0308
_diffrn_reflns_Laue_measured_fraction_full 0.991
_diffrn_reflns_Laue_measured_fraction_max 0.991
_diffrn_reflns_limit_h_max       12
_diffrn_reflns_limit_h_min       -10
_diffrn_reflns_limit_k_max       14
_diffrn_reflns_limit_k_min       -13
_diffrn_reflns_limit_l_max       23
_diffrn_reflns_limit_l_min       -26
_diffrn_reflns_number            26693
_diffrn_reflns_point_group_measured_fraction_full 0.991
_diffrn_reflns_point_group_measured_fraction_max 0.991
_diffrn_reflns_theta_full        67.141
_diffrn_reflns_theta_max         67.141
_diffrn_reflns_theta_min         4.030
_diffrn_source                   'fine-focus sealed tube'
_exptl_absorpt_coefficient_mu    5.547
_exptl_absorpt_correction_T_max  0.911
_exptl_absorpt_correction_T_min  0.627
_exptl_absorpt_correction_type   analytical
_exptl_absorpt_process_details
;
CrysAlisPro 1.171.40.16b (Rigaku Oxford Diffraction, 2018)
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            red
_exptl_crystal_density_diffrn    1.614
_exptl_crystal_description       plate
_exptl_crystal_F_000             1156
_exptl_crystal_recrystallization_method
'Re-crystallisation from solvent: ethanol'
_exptl_crystal_size_max          0.140
_exptl_crystal_size_mid          0.061
_exptl_crystal_size_min          0.018
_refine_diff_density_max         1.869
_refine_diff_density_min         -1.386
_refine_diff_density_rms         0.095
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.052
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     554
_refine_ls_number_reflns         8416
_refine_ls_number_restraints     6
_refine_ls_restrained_S_all      1.053
_refine_ls_R_factor_all          0.0630
_refine_ls_R_factor_gt           0.0567
_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^)+(0.0953P)^2^+3.6165P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1558
_refine_ls_wR_factor_ref         0.1657
_reflns_Friedel_coverage         0.000
_reflns_number_gt                7437
_reflns_number_total             8416
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            c9ce00805e2.cif
_cod_data_source_block           nt0408_Vanessa_SPOMe_ZnBr2
_cod_depositor_comments
'Adding full bibliography for 7233050--7233066.cif.'
_cod_original_cell_volume        2377.45(13)
_cod_database_code               7233054
_shelx_shelxl_version_number     2018/3
_shelx_estimated_absorpt_t_min   0.511
_shelx_estimated_absorpt_t_max   0.907
_shelx_res_checksum              35037