Solvent-free synthesis of new open-framework oxalate structures
Duan, Chunmei; Luo, Daibing; Zeng, Hongmei; Kang, Maoping; Lin, Zhien; CrystEngComm 14 (2012) 5734–; doi:10.1039/c2ce25856k

data_7214628
_publ_section_title
;
 Solvent-free synthesis of new open-framework oxalate structures
;
_journal_issue                   18
_journal_name_full               CrystEngComm
_journal_page_first              5734
_journal_paper_doi               10.1039/c2ce25856k
_journal_volume                  14
_journal_year                    2012
_chemical_formula_sum            'C8 H12.8 N2 O7.4 Zn'
_chemical_formula_weight         320.77
_chemical_name_systematic
;
?
;
_space_group_IT_number           15
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-C 2yc'
_symmetry_space_group_name_H-M   'C 1 2/c 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                 114.50(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            8
_cell_length_a                   13.884(3)
_cell_length_b                   12.146(2)
_cell_length_c                   16.327(3)
_cell_measurement_temperature    293(2)
_cell_volume                     2505.4(10)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.999
_diffrn_measurement_device_type  'Xcalibur, Eos'
_diffrn_measurement_method       '\w scans'
_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  0.0368
_diffrn_reflns_av_sigmaI/netI    0.0289
_diffrn_reflns_limit_h_max       16
_diffrn_reflns_limit_h_min       -16
_diffrn_reflns_limit_k_max       14
_diffrn_reflns_limit_k_min       -14
_diffrn_reflns_limit_l_max       19
_diffrn_reflns_limit_l_min       -18
_diffrn_reflns_number            9114
_diffrn_reflns_theta_full        24.98
_diffrn_reflns_theta_max         24.98
_diffrn_reflns_theta_min         3.02
_exptl_absorpt_coefficient_mu    1.992
_exptl_absorpt_correction_T_max  1.00000
_exptl_absorpt_correction_T_min  0.72437
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
CrysAlisPro, Agilent Technologies,
Version 1.171.35.19 (release 27-10-2011 CrysAlis171 .NET)
(compiled Oct 27 2011,15:02:11)
Empirical absorption correction using spherical harmonics,
implemented in SCALE3 ABSPACK scaling algorithm.
;
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.701
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1312
_exptl_crystal_size_max          0.22
_exptl_crystal_size_mid          0.16
_exptl_crystal_size_min          0.14
_refine_diff_density_max         0.730
_refine_diff_density_min         -0.251
_refine_diff_density_rms         0.070
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.093
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     177
_refine_ls_number_reflns         2197
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.093
_refine_ls_R_factor_all          0.0441
_refine_ls_R_factor_gt           0.0362
_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^)+(0.0526P)^2^+2.8353P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0995
_refine_ls_wR_factor_ref         0.1041
_reflns_number_gt                1855
_reflns_number_total             2197
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c2ce25856k.txt
_cod_data_source_block           4
_cod_original_cell_volume        2505.3(9)
_cod_original_sg_symbol_H-M      C2/c
_cod_original_formula_sum        'C8 H12.80 N2 O7.40 Zn'
_cod_database_code               7214628