Internal hydrogen bonding in tetrahedral and trigonal bipyramidal zinc(II) complexes of pyridine-based ligands
Juan C. Mareque Rivas; Emiliano Salvagni; Rafael Torres Martín de Rosales; Simon Parsons; Dalton Trans.  (2003) 3339–3349; doi:10.1039/b305476b

data_7013198
_publ_section_title
;
 Internal hydrogen bonding in tetrahedral and trigonal bipyramidal
 zinc(II) complexes of pyridine-based ligands
;
_journal_issue                   17
_journal_name_full               'Dalton Trans.'
_journal_page_first              3339
_journal_page_last               3349
_journal_paper_doi               10.1039/b305476b
_journal_year                    2003
_chemical_formula_moiety         '[ZnCl2(L4)]'
_chemical_formula_sum            'C11 H18 Cl2 N4 Zn'
_chemical_formula_weight         342.56
_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/difmap (H7NA&B)'
_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                   9.0138(7)
_cell_length_b                   11.1924(9)
_cell_length_c                   14.6243(11)
_cell_measurement_reflns_used    7428
_cell_measurement_temperature    150(2)
_cell_measurement_theta_max      29
_cell_measurement_theta_min      2
_cell_volume                     1475.4(2)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      150(2)
_diffrn_measured_fraction_theta_full 0.942
_diffrn_measured_fraction_theta_max 0.942
_diffrn_measurement_device_type  'Bruker SMART APEX CCD'
_diffrn_measurement_method       omega
_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  0.0284
_diffrn_reflns_av_sigmaI/netI    0.0405
_diffrn_reflns_limit_h_max       12
_diffrn_reflns_limit_h_min       -12
_diffrn_reflns_limit_k_max       8
_diffrn_reflns_limit_k_min       -14
_diffrn_reflns_limit_l_max       18
_diffrn_reflns_limit_l_min       -18
_diffrn_reflns_number            9124
_diffrn_reflns_theta_full        28.92
_diffrn_reflns_theta_max         28.92
_diffrn_reflns_theta_min         2.29
_exptl_absorpt_coefficient_mu    2.015
_exptl_absorpt_correction_T_max  1
_exptl_absorpt_correction_T_min  0.687
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   Sadabs
_exptl_crystal_colour            Colourless
_exptl_crystal_density_diffrn    1.542
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             704
_exptl_crystal_size_max          0.54
_exptl_crystal_size_mid          0.32
_exptl_crystal_size_min          0.20
_refine_diff_density_max         0.382
_refine_diff_density_min         -0.355
_refine_diff_density_rms         0.065
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.030(9)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.024
_refine_ls_hydrogen_treatment    'riding/refall (H7NA&B)'
_refine_ls_matrix_type           full
_refine_ls_number_parameters     171
_refine_ls_number_reflns         3556
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.024
_refine_ls_R_factor_all          0.0246
_refine_ls_R_factor_gt           0.0236
_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^)+(0.0210P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0551
_refine_ls_wR_factor_ref         0.0554
_reflns_number_gt                3431
_reflns_number_total             3556
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            b305476b.txt
_cod_data_source_block           r3586
_cod_depositor_comments
;
The following automatic conversions were performed:
'_symmetry_cell_setting' value 'Orthorhombic' changed to 'orthorhombic'
according to '/home/saulius/struct/CIF-dictionaries/cif_core.dic'
dictionary named 'cif_core.dic' version 2.4.1 from
2010-06-29.

'_exptl_absorpt_correction_type' value 'Multiscan' changed to
'multi-scan' according to
'/home/saulius/struct/CIF-dictionaries/cif_core.dic' dictionary named
'cif_core.dic' version 2.4.1 from 2010-06-29.

Automatic conversion script
Id: cif_fix_enum 1527 2010-12-29 10:47:43Z saulius 
;
_cod_original_sg_symbol_H-M      P212121
_cod_database_code               7013198