Design and Synthesis of Two New Two-Photon Absorbing Pyridine Salts as Ligands and Their Rare Earth Complexes
Tian, Yu-Peng; Li, Lin; Zhou, Yong-Hong; Wang, Peng; Zhou, Hong-Ping; Wu, Jie-Ying; Hu, Zhang-Jun; Yang, Jia-Xiang; Kong, Lin; Xu, Gui-Bao; Tao, Xu-Tang; Jiang, Min-Hua; Crystal Growth & Design 9 (2009) 1499–; doi:10.1021/cg801022h

data_4509189
_publ_section_title
;
 Design and Synthesis of Two New Two-Photon Absorbing Pyridine Salts as
 Ligands and Their Rare Earth Complexes
;
_journal_issue                   3
_journal_name_full               'Crystal Growth &amp; Design'
_journal_page_first              1499
_journal_paper_doi               10.1021/cg801022h
_journal_volume                  9
_journal_year                    2009
_chemical_formula_sum            'C18 H22 N2 O4'
_chemical_formula_weight         330.38
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2ybc'
_symmetry_space_group_name_H-M   'P 1 21/c 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                90.00
_cell_angle_beta                 104.279(18)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   15.646(16)
_cell_length_b                   10.158(11)
_cell_length_c                   10.456(11)
_cell_measurement_reflns_used    980
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      20.531
_cell_measurement_theta_min      2.414
_cell_volume                     1610(3)
_computing_cell_refinement       'Bruker SMART'
_computing_data_collection       'Bruker SMART'
_computing_data_reduction        'Bruker SHELXTL'
_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 0.954
_diffrn_measured_fraction_theta_max 0.954
_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  0.0676
_diffrn_reflns_av_sigmaI/netI    0.0941
_diffrn_reflns_limit_h_max       18
_diffrn_reflns_limit_h_min       -18
_diffrn_reflns_limit_k_max       12
_diffrn_reflns_limit_k_min       -10
_diffrn_reflns_limit_l_max       12
_diffrn_reflns_limit_l_min       -9
_diffrn_reflns_number            7566
_diffrn_reflns_theta_full        25.03
_diffrn_reflns_theta_max         25.03
_diffrn_reflns_theta_min         2.41
_exptl_absorpt_coefficient_mu    0.097
_exptl_absorpt_correction_T_max  0.9875
_exptl_absorpt_correction_T_min  0.9641
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   sadabs
_exptl_crystal_density_diffrn    1.363
_exptl_crystal_density_method    'not measured'
_exptl_crystal_F_000             704
_exptl_crystal_size_max          0.38
_exptl_crystal_size_mid          0.31
_exptl_crystal_size_min          0.13
_refine_diff_density_max         0.744
_refine_diff_density_min         -0.252
_refine_diff_density_rms         0.058
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.873
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     225
_refine_ls_number_reflns         2727
_refine_ls_number_restraints     18
_refine_ls_restrained_S_all      1.020
_refine_ls_R_factor_all          0.1663
_refine_ls_R_factor_gt           0.0772
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.1277P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1851
_refine_ls_wR_factor_ref         0.2332
_reflns_number_gt                1125
_reflns_number_total             2727
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            cg801022hsup1.cif
_cod_data_source_block           L^2^
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
according to /home/saulius/struct/CIF-dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 from 2011-04-26.

Automatic conversion script
Id: cif_fix_values 1891 2012-01-12 08:04:46Z andrius 
;
_cod_original_sg_symbol_H-M      P2(1)/c
_cod_database_code               4509189