Synthesis, structures and properties of the first series of SrII–MII (M = Cu, Co, Ni and Zn) coordination polymers based on pyridine-2,5-dicarboxylic acid
Chen, Yanmei; She, Shixiong; Gao, Qian; Gao, Dandan; Wang, Derong; Li, Yahong; Liu, Wei; Li, Wu; CrystEngComm 16 (2014) 1091–; doi:10.1039/c3ce41975d

data_7213827
_publ_section_title
;
 Synthesis, structures and properties of the first series of SrII--MII (M
 = Cu, Co, Ni and Zn) coordination polymers based on
 pyridine-2,5-dicarboxylic acid
;
_journal_issue                   6
_journal_name_full               CrystEngComm
_journal_page_first              1091
_journal_paper_doi               10.1039/c3ce41975d
_journal_volume                  16
_journal_year                    2014
_chemical_formula_moiety         'C7 H5 N O5 Sr'
_chemical_formula_sum            'C7 H5 N O5 Sr'
_chemical_formula_weight         270.74
_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                94.140(3)
_cell_angle_beta                 93.010(3)
_cell_angle_gamma                117.310(3)
_cell_formula_units_Z            2
_cell_length_a                   6.4411(4)
_cell_length_b                   6.8211(4)
_cell_length_c                   10.0120(6)
_cell_measurement_reflns_used    498
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      28.53
_cell_measurement_theta_min      2.34
_cell_volume                     388.01(4)
_computing_cell_refinement       'SAINT (Bruker, 2005)'
_computing_data_collection       'APEX-II (Bruker, 2005)'
_computing_data_reduction        'SAINT (Bruker, 2005)'
_computing_molecular_graphics
'SHELXTL (Sheldrick, 2008) and DIAMOND (Brandenburg, 1999)'
_computing_publication_material  'SHELXTL (Sheldrick, 2008)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 1.000
_diffrn_measurement_device_type  'Bruker APEXII CCD'
_diffrn_measurement_method       '\f and \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  0.0207
_diffrn_reflns_av_unetI/netI     0.0158
_diffrn_reflns_limit_h_max       7
_diffrn_reflns_limit_h_min       -7
_diffrn_reflns_limit_k_max       8
_diffrn_reflns_limit_k_min       -8
_diffrn_reflns_limit_l_max       11
_diffrn_reflns_limit_l_min       -11
_diffrn_reflns_number            5491
_diffrn_reflns_theta_full        24.99
_diffrn_reflns_theta_max         24.99
_diffrn_reflns_theta_min         2.05
_exptl_absorpt_coefficient_mu    6.941
_exptl_absorpt_correction_T_max  0.4656
_exptl_absorpt_correction_T_min  0.2559
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS (Bruker, 2005)'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    2.317
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       rod
_exptl_crystal_F_000             264
_exptl_crystal_size_max          0.27
_exptl_crystal_size_mid          0.18
_exptl_crystal_size_min          0.13
_refine_diff_density_max         0.264
_refine_diff_density_min         -0.535
_refine_diff_density_rms         0.104
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.169
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     127
_refine_ls_number_reflns         1364
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.169
_refine_ls_R_factor_all          0.0186
_refine_ls_R_factor_gt           0.0181
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0275P)^2^+0.2865P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0488
_refine_ls_wR_factor_ref         0.0491
_reflns_number_gt                1337
_reflns_number_total             1364
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c3ce41975d.txt
_cod_data_source_block           ccdc764694
_cod_database_code               7213827