Synthesis and Structural Characterization of Tin(II) and Zinc(II) Derivatives of Cyclic α-Hydroxyketones, Including the Structures of Sn(maltol)2, Sn(tropolone)2, Zn(tropolone)2, and Zn(hinokitiol)2
Marie C Barret; Mary F Mahon; Kieran C Molloy; Jonathan W Steed; Philip Wright; Inorganic Chemistry 40 (2001) 4384–4388; doi:10.1021/ic0100368

data_4320051
_publ_section_title
;
 Synthesis and Structural Characterization of Tin(II) and Zinc(II)
 Derivatives of Cyclic \a-Hydroxyketones, Including the Structures of
 Sn(maltol)2, Sn(tropolone)2, Zn(tropolone)2, and Zn(hinokitiol)2
;
_journal_name_full               'Inorganic Chemistry'
_journal_page_first              4384
_journal_page_last               4388
_journal_paper_doi               10.1021/ic0100368
_journal_volume                  40
_journal_year                    2001
_chemical_formula_sum            'C22 H28 O5 Zn'
_chemical_formula_weight         437.81
_chemical_melting_point          -452.7
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2yn'
_symmetry_space_group_name_H-M   'P 1 21/n 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                 100.2190(12)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   8.0820(2)
_cell_length_b                   17.1500(3)
_cell_length_c                   14.9090(3)
_cell_measurement_reflns_used    25
_cell_measurement_temperature    170(2)
_cell_measurement_theta_max      18
_cell_measurement_theta_min      12
_cell_volume                     2033.70(7)
_computing_data_reduction
'Denzo and Scalepack (otwinowski & Minor, 1997)'
_computing_molecular_graphics    'ORTEX (P.McArdle, 1995)'
_computing_publication_material  'SHELXL-97/2 (Sheldrick,1997)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      170(2)
_diffrn_measured_fraction_theta_full 0.997
_diffrn_measured_fraction_theta_max 0.997
_diffrn_measurement_device_type  KappaCCD
_diffrn_measurement_method       KappaCCD
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71070
_diffrn_reflns_av_R_equivalents  0.0431
_diffrn_reflns_av_sigmaI/netI    0.0321
_diffrn_reflns_limit_h_max       10
_diffrn_reflns_limit_h_min       0
_diffrn_reflns_limit_k_max       22
_diffrn_reflns_limit_k_min       -22
_diffrn_reflns_limit_l_max       19
_diffrn_reflns_limit_l_min       -19
_diffrn_reflns_number            27227
_diffrn_reflns_theta_full        27.50
_diffrn_reflns_theta_max         27.50
_diffrn_reflns_theta_min         3.63
_exptl_absorpt_coefficient_mu    1.238
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            Colourless
_exptl_crystal_density_diffrn    1.430
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       Block
_exptl_crystal_F_000             920
_exptl_crystal_size_max          0.20
_exptl_crystal_size_mid          0.17
_exptl_crystal_size_min          0.12
_refine_diff_density_max         0.379
_refine_diff_density_min         -0.426
_refine_diff_density_rms         0.072
_refine_ls_extinction_coef       0.0055(6)
_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   1.007
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     262
_refine_ls_number_reflns         4666
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.009
_refine_ls_R_factor_all          0.0375
_refine_ls_R_factor_gt           0.0288
_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^)+(0.0408P)^2^+0.8591P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0734
_refine_ls_wR_factor_ref         0.0774
_reflns_number_gt                4010
_reflns_number_total             4666
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ic0100368_2.cif
_cod_data_source_block           molloy_compound4a
_cod_depositor_comments
;
The following automatic conversions were performed:

'_chemical_melting_point' value '-999.0' was changed to '-725.85' -
it was converted from degrees Celsius(C) to Kelvins(K).

Automatic conversion script
Id: cif_fix_values 1569 2011-02-09 13:29:24Z adriana 

The following automatic conversions were performed:

'_chemical_melting_point' value '-725.85' was changed to '-452.7' -
it was converted from degrees Celsius(C) to
Kelvins(K).

'_symmetry_cell_setting' value 'Monoclinic' changed to
'monoclinic' according to the built-in table from CIF Core dictionary
named 'cif_core.dic' version 2.4.1 from 2010-06-29.

Automatic conversion script
Id: cif_fix_values 1646 2011-03-28 12:23:43Z adriana 

The following automatic conversions were performed:

data name '_atom_site_symetry_multiplicity' was replaced with
'_atom_site_symmetry_multiplicity' as specified in the replacement
file 'data/replacement-values/replacement_tags.lst'.

Automatic conversion script
Id: cif_correct_tags 9268 2022-04-12 08:56:07Z antanas 
;
_cod_database_code               4320051