Is single-4-ring the most basic but elusive secondary building unit that transforms to larger structures in zinc phosphate chemistry?
Dar, Aijaz A.; Sharma, Sunil K.; Murugavel, Ramaswamy; Inorganic chemistry 54 (2015) 4882–4894; doi:10.1021/acs.inorgchem.5b00495

data_4342938
_publ_section_title
;
 Is single-4-ring the most basic but elusive secondary building unit that
 transforms to larger structures in zinc phosphate chemistry?
;
_journal_issue                   10
_journal_name_full               'Inorganic chemistry'
_journal_page_first              4882
_journal_page_last               4894
_journal_paper_doi               10.1021/acs.inorgchem.5b00495
_journal_volume                  54
_journal_year                    2015
_chemical_formula_moiety         'C80 H108 I4 N4 O16 P4 Zn4'
_chemical_formula_sum            'C80 H108 I4 N4 O16 P4 Zn4'
_chemical_formula_weight         2274.66
_space_group_IT_number           82
_symmetry_cell_setting           tetragonal
_symmetry_space_group_name_Hall  'I -4'
_symmetry_space_group_name_H-M   'I -4'
_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            2
_cell_length_a                   12.123(2)
_cell_length_b                   12.123(2)
_cell_length_c                   31.467(7)
_cell_measurement_temperature    150(2)
_cell_volume                     4624.6(15)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      150(2)
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.999
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71075
_diffrn_reflns_av_R_equivalents  0.0275
_diffrn_reflns_av_sigmaI/netI    0.0308
_diffrn_reflns_limit_h_max       14
_diffrn_reflns_limit_h_min       -12
_diffrn_reflns_limit_k_max       14
_diffrn_reflns_limit_k_min       -10
_diffrn_reflns_limit_l_max       38
_diffrn_reflns_limit_l_min       -38
_diffrn_reflns_number            17982
_diffrn_reflns_theta_full        25.50
_diffrn_reflns_theta_max         25.50
_diffrn_reflns_theta_min         2.57
_exptl_absorpt_coefficient_mu    2.490
_exptl_absorpt_correction_T_max  0.6914
_exptl_absorpt_correction_T_min  0.5981
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'NUMABS (Rigaku, 1999)'
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.634
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       cubic
_exptl_crystal_F_000             2272
_exptl_crystal_size_max          0.23
_exptl_crystal_size_mid          0.17
_exptl_crystal_size_min          0.16
_refine_diff_density_max         1.111
_refine_diff_density_min         -1.253
_refine_diff_density_rms         0.130
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.015(17)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.073
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     253
_refine_ls_number_reflns         4308
_refine_ls_number_restraints     6
_refine_ls_restrained_S_all      1.084
_refine_ls_R_factor_all          0.0423
_refine_ls_R_factor_gt           0.0407
_refine_ls_shift/su_max          0.012
_refine_ls_shift/su_mean         0.001
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0859P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1156
_refine_ls_wR_factor_ref         0.1170
_reflns_number_gt                4075
_reflns_number_total             4308
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ic5b00495_si_002.cif
_cod_data_source_block           ajz561
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Tetragonal' changed to 'tetragonal'
according to
/usr/data/users/saulius/crontab/automatic-downloads/rss-feeds/ACS/lib/dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 from 2011-04-26.

'_exptl_absorpt_correction_type' value 'Multi-scan' changed to
'multi-scan' according to
/usr/data/users/saulius/crontab/automatic-downloads/rss-feeds/ACS/lib/dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 from 2011-04-26.

Automatic conversion script
Id: cif_fix_values 3271 2015-04-21 07:52:19Z andrius 

 Adding full bibliography for 4342936--4342946.cif.
;
_cod_database_code               4342938
_shelx_f_squared_multiplier      1.000