Diamondoid and square-grid networks based on bent wheel-and-axle diols
Bacchi, Alessia; Carcelli, Mauro; Chiodo, Tiziana; Pelagatti, Paolo; CrystEngComm 12 (2010) 4226–; doi:10.1039/c0ce00173b

data_7212834
_publ_section_title
;
 Diamondoid and square-grid networks based on bent wheel-and-axle diols
;
_journal_issue                   12
_journal_name_full               CrystEngComm
_journal_page_first              4226
_journal_paper_doi               10.1039/c0ce00173b
_journal_volume                  12
_journal_year                    2010
_chemical_formula_sum            'C48 H36 I2 N4 O2 Zn'
_chemical_formula_weight         1019.98
_chemical_name_systematic
;
?
;
_space_group_IT_number           114
_symmetry_cell_setting           tetragonal
_symmetry_space_group_name_Hall  'P -4 2n'
_symmetry_space_group_name_H-M   'P -4 21 c'
_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                   18.90370(10)
_cell_length_b                   18.90370(10)
_cell_length_c                   11.8392(6)
_cell_measurement_reflns_used    800
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      18
_cell_measurement_theta_min      4
_cell_volume                     4230.7(2)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SIR97 (Altomare et al. 1997)'
_diffrn_ambient_temperature      293(2)
_diffrn_detector_area_resol_mean 8.2
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 1.000
_diffrn_measurement_device_type  diffractometer
_diffrn_measurement_method       '\w scan'
_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  0.0880
_diffrn_reflns_av_sigmaI/netI    0.0371
_diffrn_reflns_limit_h_max       21
_diffrn_reflns_limit_h_min       -21
_diffrn_reflns_limit_k_max       21
_diffrn_reflns_limit_k_min       -21
_diffrn_reflns_limit_l_max       13
_diffrn_reflns_limit_l_min       -13
_diffrn_reflns_number            42634
_diffrn_reflns_theta_full        24.28
_diffrn_reflns_theta_max         24.28
_diffrn_reflns_theta_min         1.52
_exptl_absorpt_coefficient_mu    2.084
_exptl_absorpt_correction_T_max  0.7450
_exptl_absorpt_correction_T_min  0.6147
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS procedure'
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.601
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             2016
_exptl_crystal_size_max          0.08
_exptl_crystal_size_mid          0.06
_exptl_crystal_size_min          0.03
_refine_diff_density_max         0.338
_refine_diff_density_min         -0.239
_refine_diff_density_rms         0.053
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.00
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.042
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     262
_refine_ls_number_reflns         3429
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.042
_refine_ls_R_factor_all          0.0530
_refine_ls_R_factor_gt           0.0326
_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^)+(0.0319P)^2^+0.2867P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0617
_refine_ls_wR_factor_ref         0.0684
_reflns_number_gt                2682
_reflns_number_total             3429
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c0ce00173b.txt
_cod_data_source_block           3
_cod_database_code               7212834