Syntheses, crystal structures and optical properties of six homochiral coordination networks based on phenyl acid-amino acids
Yang, Xiu-Li; Xie, Ming-Hua; Zou, Chao; Wu, Chuan-De; CrystEngComm 13 (2011) 6422–; doi:10.1039/c1ce05422h

data_7206613
_publ_section_title
;
 Syntheses, crystal structures and optical properties of six homochiral
 coordination networks based on phenyl acid-amino acids
;
_journal_issue                   21
_journal_name_full               CrystEngComm
_journal_page_first              6422
_journal_paper_doi               10.1039/c1ce05422h
_journal_volume                  13
_journal_year                    2011
_chemical_formula_sum            'C26 H30 N2 O8 Zn2'
_chemical_formula_weight         629.26
_chemical_name_systematic
;
?
;
_space_group_IT_number           19
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  'P 2ac 2ab'
_symmetry_space_group_name_H-M   'P 21 21 21'
_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                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   6.65340(10)
_cell_length_b                   18.9600(3)
_cell_length_c                   22.5591(3)
_cell_measurement_reflns_used    10549
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      67.06
_cell_measurement_theta_min      3.04
_cell_volume                     2845.80(7)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 0.990
_diffrn_measured_fraction_theta_max 0.990
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           CuK\a
_diffrn_radiation_wavelength     1.54178
_diffrn_reflns_av_R_equivalents  0.0323
_diffrn_reflns_av_sigmaI/netI    0.0386
_diffrn_reflns_limit_h_max       7
_diffrn_reflns_limit_h_min       -7
_diffrn_reflns_limit_k_max       22
_diffrn_reflns_limit_k_min       -22
_diffrn_reflns_limit_l_max       26
_diffrn_reflns_limit_l_min       -25
_diffrn_reflns_number            10549
_diffrn_reflns_theta_full        67.06
_diffrn_reflns_theta_max         67.06
_diffrn_reflns_theta_min         3.04
_exptl_absorpt_coefficient_mu    2.490
_exptl_absorpt_correction_T_max  0.905
_exptl_absorpt_correction_T_min  0.861
_exptl_absorpt_correction_type   empirical
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.469
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1296
_exptl_crystal_size_max          0.28
_exptl_crystal_size_mid          0.05
_exptl_crystal_size_min          0.04
_refine_diff_density_max         0.439
_refine_diff_density_min         -0.186
_refine_diff_density_rms         0.055
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   -0.19(4)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.084
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     343
_refine_ls_number_reflns         4568
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.084
_refine_ls_R_factor_all          0.0444
_refine_ls_R_factor_gt           0.0363
_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^)+(0.0359P)^2^+0.0361P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0791
_refine_ls_wR_factor_ref         0.0833
_reflns_number_gt                3956
_reflns_number_total             4568
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c1ce05422h.txt
_cod_data_source_block           New3
_cod_original_sg_symbol_H-M      P2(1)2(1)2(1)
_cod_database_code               7206613