Photochromic Lanthanide(III) Materials with Ion Sensing Based on Pyridinium Tetrazolate Zwitterion.
Cai, Li-Zhen; Chen, Xiang-Yi; Wang, Ming-Sheng; Guo, Guo-Cong; ACS omega 4 (2019) 7492–7497; doi:10.1021/acsomega.8b03662

data_4515072
_publ_section_title
;
 Photochromic Lanthanide(III) Materials with Ion Sensing Based on
 Pyridinium Tetrazolate Zwitterion.
;
_journal_issue                   4
_journal_name_full               'ACS omega'
_journal_page_first              7492
_journal_page_last               7497
_journal_paper_doi               10.1021/acsomega.8b03662
_journal_volume                  4
_journal_year                    2019
_chemical_formula_moiety         'Eu H8 N3 O13, C7 H7 N5'
_chemical_formula_sum            'C7 H15 Eu N8 O13'
_chemical_formula_weight         571.24
_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   geom
_atom_sites_solution_primary     dual
_atom_sites_solution_secondary   difmap
_cell_angle_alpha                89.977(2)
_cell_angle_beta                 87.647(3)
_cell_angle_gamma                79.155(3)
_cell_formula_units_Z            2
_cell_length_a                   6.5602(2)
_cell_length_b                   10.7447(3)
_cell_length_c                   13.3143(4)
_cell_measurement_reflns_used    3573
_cell_measurement_temperature    298(2)
_cell_measurement_theta_max      27.4
_cell_measurement_theta_min      3.1
_cell_volume                     920.93(5)
_computing_cell_refinement       'CrystalClear-SM Expert 2.1 b45 (Rigaku, 2015)'
_computing_data_collection       'CrystalClear-SM Expert 2.1 b45 (Rigaku, 2015)'
_computing_data_reduction        'CrystalClear-SM Expert 2.1 b45 (Rigaku, 2015)'
_computing_molecular_graphics    'Olex2 (Dolomanov et al., 2009)'
_computing_publication_material  'Olex2 (Dolomanov et al., 2009)'
_computing_structure_refinement  'ShelXL (Sheldrick, 2015)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      298(2)
_diffrn_detector                 PILT
_diffrn_detector_area_resol_mean 5.8140
_diffrn_measured_fraction_theta_full 0.969
_diffrn_measured_fraction_theta_max 0.969
_diffrn_measurement_device       'AFC10: Fixed Chi 2 circle'
_diffrn_measurement_device_type  'Rigaku Pilatus 200K'
_diffrn_measurement_method       CCD_Profile_fitting
_diffrn_measurement_specimen_support Fiber
_diffrn_radiation_monochromator  'Graphite Monochromator'
_diffrn_radiation_probe          x-ray
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0250
_diffrn_reflns_av_unetI/netI     0.0236
_diffrn_reflns_limit_h_max       8
_diffrn_reflns_limit_h_min       -7
_diffrn_reflns_limit_k_max       13
_diffrn_reflns_limit_k_min       -11
_diffrn_reflns_limit_l_max       17
_diffrn_reflns_limit_l_min       -17
_diffrn_reflns_number            9167
_diffrn_reflns_theta_full        27.10
_diffrn_reflns_theta_max         27.10
_diffrn_reflns_theta_min         2.45
_diffrn_source                   'Rotating Anode'
_diffrn_source_current           80.0
_diffrn_source_power             4.0
_diffrn_source_type              'Enhance (Mo) X-ray Source'
_diffrn_source_voltage           50.0
_exptl_absorpt_coefficient_mu    3.490
_exptl_absorpt_correction_T_max  1.000
_exptl_absorpt_correction_T_min  0.475
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   SADABS
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    2.060
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       Block
_exptl_crystal_F_000             560
_exptl_crystal_preparation       Fiber
_exptl_crystal_size_max          0.35
_exptl_crystal_size_mid          0.24
_exptl_crystal_size_min          0.1
_refine_diff_density_max         0.643
_refine_diff_density_min         -0.996
_refine_diff_density_rms         0.199
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.035
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     287
_refine_ls_number_reflns         4073
_refine_ls_number_restraints     8
_refine_ls_restrained_S_all      1.034
_refine_ls_R_factor_all          0.0223
_refine_ls_R_factor_gt           0.0203
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0505P)^2^+0.0810P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0573
_refine_ls_wR_factor_ref         0.0655
_reflns_number_gt                3794
_reflns_number_total             4073
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ao8b03662_si_003.cif
_cod_data_source_block           compound2
_cod_depositor_comments
;
The following automatic conversions were performed:

'_exptl_absorpt_correction_type' value 'Multi-scan' changed to
'multi-scan' according to
/home/data/users/saulius/crontab/automatic-downloads/current/ACS/lib/dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 from 2011-04-26.

Automatic conversion script
Id: cif_fix_values 4973 2017-02-22 13:04:09Z antanas 
;
_cod_database_code               4515072
_reflns_odcompleteness_completeness 96.83
_reflns_odcompleteness_iscentric 1
_reflns_odcompleteness_theta     27.04
_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,H) groups
2. Restrained distances
 O17-H17B = O17-H17A = O16-H16A = O16-H16B = O15-H15B = O15-H15A = O14-H14A =
 O14-H14B
 0.85 with sigma of 0.01
3.a Aromatic/amide H refined with riding coordinates:
 C23(H23), C24(H24), C25(H25), C26(H26)
3.b Idealised Me refined as rotating group:
 C27(H27A,H27B,H27C)
;