Metal ion-assisted ring-opening of a quinazoline-based chemosensor: detection of copper(ii) in aqueous media.
Cao, Wei; Zheng, Xiang-Jun; Fang, De-Cai; Jin, Lin-Pei; Dalton transactions (Cambridge, England : 2003) 44 (2015) 5191–5196; doi:10.1039/c4dt03791j

data_7033882
_publ_section_title
;
 Metal ion-assisted ring-opening of a quinazoline-based chemosensor:
 detection of copper(ii) in aqueous media.
;
_journal_issue                   11
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              5191
_journal_page_last               5196
_journal_paper_doi               10.1039/c4dt03791j
_journal_volume                  44
_journal_year                    2015
_chemical_formula_sum            'C20 H14 Cl Cu N3 O'
_chemical_formula_weight         411.33
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           2
_symmetry_cell_setting           triclinic
_symmetry_space_group_name_Hall  '-P 1'
_symmetry_space_group_name_H-M   'P -1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_audit_update_record
;
2015-01-09 deposited with the CCDC.
2015-02-04 downloaded from the CCDC.
;
_cell_angle_alpha                90.5230(10)
_cell_angle_beta                 105.1370(10)
_cell_angle_gamma                94.4150(10)
_cell_formula_units_Z            2
_cell_length_a                   8.0639(6)
_cell_length_b                   10.1882(8)
_cell_length_c                   10.8585(9)
_cell_measurement_reflns_used    2219
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      21.6
_cell_measurement_theta_min      2.49
_cell_volume                     858.19(12)
_computing_cell_refinement       'Bruker SMART'
_computing_data_collection       'Bruker SMART'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 0.951
_diffrn_measured_fraction_theta_max 0.951
_diffrn_measurement_device_type  'CCD area detector'
_diffrn_measurement_method       'phi and omega scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0154
_diffrn_reflns_av_sigmaI/netI    0.0374
_diffrn_reflns_limit_h_max       9
_diffrn_reflns_limit_h_min       -10
_diffrn_reflns_limit_k_max       10
_diffrn_reflns_limit_k_min       -13
_diffrn_reflns_limit_l_max       14
_diffrn_reflns_limit_l_min       -13
_diffrn_reflns_number            5244
_diffrn_reflns_theta_full        27.63
_diffrn_reflns_theta_max         27.63
_diffrn_reflns_theta_min         1.94
_exptl_absorpt_coefficient_mu    1.442
_exptl_absorpt_correction_T_max  0.9446
_exptl_absorpt_correction_T_min  0.8021
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   SADABS
_exptl_crystal_colour            black
_exptl_crystal_density_diffrn    1.592
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       rod-like
_exptl_crystal_F_000             418
_exptl_crystal_size_max          0.16
_exptl_crystal_size_mid          0.05
_exptl_crystal_size_min          0.04
_refine_diff_density_max         0.400
_refine_diff_density_min         -0.321
_refine_diff_density_rms         0.103
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.123
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     239
_refine_ls_number_reflns         3812
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.123
_refine_ls_R_factor_all          0.0508
_refine_ls_R_factor_gt           0.0375
_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^)+(0.0594P)^2^+0.3857P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0961
_refine_ls_wR_factor_ref         0.1182
_reflns_number_gt                3145
_reflns_number_total             3812
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c4dt03791j2.cif
_cod_data_source_block           1
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Triclinic' changed to 'triclinic'
according to
/usr/data/users/saulius/crontab/automatic-downloads/rss-feeds/RSC/lib/dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 from 2011-04-26.

'_exptl_absorpt_correction_type' value 'Multi-scan' changed to
'multi-scan' according to
/usr/data/users/saulius/crontab/automatic-downloads/rss-feeds/RSC/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 3008 2015-01-20 13:52:24Z robertas 

 Adding full bibliography for 7033882--7033884.cif.
;
_cod_original_sg_symbol_H-M      P-1
_cod_database_code               7033882