Different Complexation Properties of Some Hydroxy Keto Heterocycles toward Beryllium(II) in Aqueous Solutions: Experimental and Theoretical Studies
Franco Cecconi; Carlo A. Ghilardi; Andrea Ienco; Palma Mariani; Carlo Mealli; Stefano Midollini; Annabella Orlandini; Alberto Vacca; Inorganic Chemistry 41 (2002) 4006–4017; doi:10.1021/ic025612u

data_4318293
_publ_contact_author             'Annabella Orlandini'
_publ_contact_author_email       orlandin@fi.cnr.it
_publ_section_title
;
 Different Complexation Properties of Some Hydroxy Keto Heterocycles
 toward Beryllium(II) in Aqueous Solutions: Experimental and Theoretical
 Studies
;
_journal_name_full               'Inorganic Chemistry'
_journal_page_first              4006
_journal_page_last               4017
_journal_paper_doi               10.1021/ic025612u
_journal_volume                  41
_journal_year                    2002
_chemical_compound_source        'synthesis as described'
_chemical_formula_moiety         'C15 H20 Be1 N2 O5'
_chemical_formula_structural     'C15 H20 N2 O5 BE1'
_chemical_formula_sum            'C15 H20 Be N2 O5'
_chemical_formula_weight         317.34
_chemical_name_systematic
;
 ?
;
_space_group_IT_number           41
_symmetry_cell_setting           orthorhombic
_symmetry_Int_Tables_number      41
_symmetry_space_group_name_Hall  'C -2ac 2'
_symmetry_space_group_name_H-M   'C 2 c b'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_date             2001-10-04T15:14:56-00:00
_audit_creation_method           'WinGX routine CIF_UPDATE'
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   10.165(9)
_cell_length_b                   12.365(9)
_cell_length_c                   12.697(6)
_cell_measurement_reflns_used    0
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      0
_cell_measurement_theta_min      0
_cell_measurement_wavelength     0.71073
_cell_volume                     1596(2)
_computing_molecular_graphics    'Ortep-3 for Windows (Farrugia, 1997)'
_computing_publication_material  'WinGX publication routines (Farrugia, 1999)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 1
_diffrn_measured_fraction_theta_max 1
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_probe          x-ray
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0
_diffrn_reflns_av_unetI/netI     0.0139
_diffrn_reflns_limit_h_max       10
_diffrn_reflns_limit_h_min       0
_diffrn_reflns_limit_k_max       12
_diffrn_reflns_limit_k_min       0
_diffrn_reflns_limit_l_max       13
_diffrn_reflns_limit_l_min       0
_diffrn_reflns_number            530
_diffrn_reflns_theta_full        22.02
_diffrn_reflns_theta_max         22.02
_diffrn_reflns_theta_min         3.05
_exptl_absorpt_coefficient_mu    0.098
_exptl_absorpt_correction_T_max  1.879
_exptl_absorpt_correction_T_min  0.6845
_exptl_absorpt_correction_type   refdelf
_exptl_absorpt_process_details
;
        Parkin S,Moezzi B & Hope H, (1995) J. Appl. Cryst. 28, 53-56
        Cubic fit to sin(theta)/lambda - 24 parameters
;
_exptl_crystal_colour            white
_exptl_crystal_density_diffrn    1.321
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             672
_exptl_crystal_size_max          0.45
_exptl_crystal_size_mid          0.35
_exptl_crystal_size_min          0.25
_refine_diff_density_max         0.116
_refine_diff_density_min         -0.148
_refine_diff_density_rms         0.037
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.1(1)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.059
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     114
_refine_ls_number_reflns         530
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.057
_refine_ls_R_factor_all          0.0386
_refine_ls_R_factor_gt           0.0358
_refine_ls_shift/su_max          0.294
_refine_ls_shift/su_mean         0.07
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0730P)^2^+0.6250P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0924
_refine_ls_wR_factor_ref         0.0947
_reflns_number_gt                509
_reflns_number_total             530
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ic025612u_s1_2.cif
_cod_data_source_block           bemal
_cod_original_sg_symbol_Hall     'C -2bc 2'
_cod_database_code               4318293
_exptl_absorpt_factor_mur        0.047
_exptl_absorpt_correction_t_ave  0.9597