Self-adaptation of a conformationally flexible yet restricted “piperazine-pyrazine” building block toward the design of coordination polymers
Lee, Chin-Fen; Hsu, Shu-Chun; Chan, Kai-Chao; Nurnabi, Mohammad; Lee, Chung-Chou; Wu, Jing-Yun; Lai, Long-Li; Lu, Kuang-Lieh; CrystEngComm 13 (2011) 2960–; doi:10.1039/c0ce00703j

data_7205720
_publ_section_title
;
 Self-adaptation of a conformationally flexible yet restricted
 &#x201C;piperazine-pyrazine&#x201D; building block toward the design
 of coordination polymers
;
_journal_issue                   8
_journal_name_full               CrystEngComm
_journal_page_first              2960
_journal_paper_doi               10.1039/c0ce00703j
_journal_volume                  13
_journal_year                    2011
_chemical_formula_moiety         'C52 H56 Cd2 N18 O11'
_chemical_formula_sum            'C52 H56 Cd2 N18 O11'
_chemical_formula_weight         1333.95
_chemical_name_systematic
;
?
;
_space_group_IT_number           2
_symmetry_cell_setting           triclinic
_symmetry_space_group_name_Hall  '-P 1'
_symmetry_space_group_name_H-M   'P -1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                85.2730(10)
_cell_angle_beta                 73.3010(10)
_cell_angle_gamma                67.7280(10)
_cell_formula_units_Z            1
_cell_length_a                   10.3434(2)
_cell_length_b                   10.5131(2)
_cell_length_c                   13.7616(4)
_cell_measurement_reflns_used    13328
_cell_measurement_temperature    200(2)
_cell_measurement_theta_max      25.35
_cell_measurement_theta_min      2.037
_cell_volume                     1325.82(5)
_computing_cell_refinement       'HKL Scalepack (Otwinowski & Minor 1997)'
_computing_data_collection       'Collect (Nonius BV, 1997-2000)'
_computing_data_reduction
'HKL Denzo and Scalepack (Otwinowski & Minor 1997'
_computing_molecular_graphics    'Ortep-3 for Windows (Farrugia, 1997)'
_computing_publication_material  'WinGX publication routines (Farrugia, 1999)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-86 (Sheldrick, 1986)'
_diffrn_ambient_temperature      200(2)
_diffrn_detector_area_resol_mean 9
_diffrn_measured_fraction_theta_full 0.969
_diffrn_measured_fraction_theta_max 0.969
_diffrn_measurement_device_type  KappaCCD
_diffrn_measurement_method       'CCD rotation images, thick slices'
_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  0.0581
_diffrn_reflns_av_sigmaI/netI    0.0461
_diffrn_reflns_limit_h_max       12
_diffrn_reflns_limit_h_min       -12
_diffrn_reflns_limit_k_max       12
_diffrn_reflns_limit_k_min       -12
_diffrn_reflns_limit_l_max       14
_diffrn_reflns_limit_l_min       -16
_diffrn_reflns_number            13140
_diffrn_reflns_theta_full        25.31
_diffrn_reflns_theta_max         25.31
_diffrn_reflns_theta_min         2.09
_exptl_absorpt_coefficient_mu    0.883
_exptl_absorpt_correction_T_max  0.9901
_exptl_absorpt_correction_T_min  0.6287
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
?
;
_exptl_crystal_colour            brown
_exptl_crystal_density_diffrn    1.671
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             678
_exptl_crystal_size_max          0.4
_exptl_crystal_size_mid          0.25
_exptl_crystal_size_min          0.1
_refine_diff_density_max         0.618
_refine_diff_density_min         -1.181
_refine_diff_density_rms         0.180
_refine_ls_extinction_coef       0.0107(13)
_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   0.980
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     380
_refine_ls_number_reflns         4688
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.980
_refine_ls_R_factor_all          0.0414
_refine_ls_R_factor_gt           0.0355
_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^)+(0.0711P)^2^+1.4927P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0990
_refine_ls_wR_factor_ref         0.1056
_reflns_number_gt                4310
_reflns_number_total             4688
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c0ce00703j.txt
_cod_data_source_block           6169
_cod_database_code               7205720