A photoluminescent six-coordinated zinc(II) complex with hydroxides as axial ligands, [Zn(Hhpa)2(OH)2] (Hhpa = 3-hydroxypicolinamide).
Sakai, Ken-ichi; Imakubo, Tatsuro; Ichikawa, Musubu; Taniguchi, Yoshio; Dalton transactions (Cambridge, England : 2003)  (2006) 881–883; doi:10.1039/b515506a

data_7006919
_publ_section_title
;
 A photoluminescent six-coordinated zinc(II) complex with hydroxides as
 axial ligands, [Zn(Hhpa)2(OH)2] (Hhpa = 3-hydroxypicolinamide).
;
_journal_issue                   7
_journal_name_full
'Dalton transactions (Cambridge, England : 2003)'
_journal_page_first              881
_journal_page_last               883
_journal_paper_doi               10.1039/b515506a
_journal_year                    2006
_chemical_formula_moiety         'C12 H14 N4 O6 Zn '
_chemical_formula_sum            'C12 H14 N4 O6 Zn'
_chemical_formula_weight         375.65
_space_group_IT_number           15
_symmetry_cell_setting           monoclinic
_symmetry_Int_Tables_number      15
_symmetry_space_group_name_Hall  '-C 2yc'
_symmetry_space_group_name_H-M   'C 1 2/c 1'
_cell_angle_alpha                90
_cell_angle_beta                 97.218(8)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   8.074(3)
_cell_length_b                   13.378(5)
_cell_length_c                   13.562(5)
_cell_measurement_temperature    273.2
_cell_volume                     1453.3(9)
_computing_data_reduction        'teXsan Ver. 1.11'
_computing_publication_material  'teXsan Ver. 1.11'
_computing_structure_refinement  SHELXL97
_computing_structure_solution    SIR97
_diffrn_radiation_type           'Mo K\a'
_diffrn_radiation_wavelength     0.7107
_diffrn_reflns_av_R_equivalents  0.086
_diffrn_reflns_limit_h_max       10
_diffrn_reflns_limit_h_min       -6
_diffrn_reflns_limit_k_max       17
_diffrn_reflns_limit_k_min       -15
_diffrn_reflns_limit_l_max       18
_diffrn_reflns_limit_l_min       -17
_diffrn_reflns_number            5406
_diffrn_reflns_theta_max         28.37
_exptl_absorpt_coefficient_mu    1.729
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.717
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_size_max          0.2
_exptl_crystal_size_mid          0.2
_exptl_crystal_size_min          0.1
_refine_diff_density_max         0.95
_refine_diff_density_min         -0.67
_refine_ls_extinction_coef       0.0000
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     SHELXL
_refine_ls_goodness_of_fit_ref   0.813
_refine_ls_hydrogen_treatment    noref
_refine_ls_number_parameters     106
_refine_ls_number_reflns         1079
_refine_ls_R_factor_gt           0.0547
_refine_ls_shift/su_max          0.0000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w = 1/[\s^2^(Fo^2^) + (0.1000P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_ref         0.1528
_reflns_number_gt                1079
_reflns_number_total             1821
_reflns_threshold_expression     >2.0sigma(I)
_cod_data_source_file            b515506a.txt
_cod_data_source_block           ZnHPA
_cod_original_formula_sum        'C12 H14 N4 O6 Zn '
_cod_database_code               7006919