Synthesis, Magnetic Properties, and Structural Investigation of Mixed-Ligand Cu(II) Helical Coordination Polymers with an Amino Acid Backbone and N-Donor Propping: 1-D Helical, 2-D Hexagonal Net (hcb), and 3-DinsTopologies
Kathalikkattil, Amal Cherian; Bisht, Kamal Kumar; Aliaga-Alcalde, Núria; Suresh, Eringathodi; Crystal Growth & Design 11 (2011) 1631–; doi:10.1021/cg101587h

data_4500483
_publ_section_title
;
 Synthesis, Magnetic Properties, and Structural Investigation of
 Mixed-Ligand Cu(II) Helical Coordination Polymers with an Amino Acid
 Backbone and N-Donor Propping: 1-D Helical, 2-D Hexagonal Net (hcb), and
 3-DinsTopologies
;
_journal_issue                   5
_journal_name_full               'Crystal Growth &amp; Design'
_journal_page_first              1631
_journal_paper_doi               10.1021/cg101587h
_journal_volume                  11
_journal_year                    2011
_chemical_formula_sum            'C9 H7 Cu N2 O4'
_chemical_formula_weight         270.71
_chemical_name_systematic
; 
 ? 
;
_space_group_IT_number           18
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  'P 2 2ab'
_symmetry_space_group_name_H-M   'P 21 21 2'
_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                   21.490(3)
_cell_length_b                   6.8822(10)
_cell_length_c                   7.8075(11)
_cell_measurement_reflns_used    2026
_cell_measurement_temperature    110(2)
_cell_measurement_theta_max      27.23
_cell_measurement_theta_min      2.61
_cell_volume                     1154.7(3)
_computing_cell_refinement       'BRUKER SMART'
_computing_data_collection       'BRUKER SMART'
_computing_data_reduction        'BRUKER SAINT'
_computing_molecular_graphics    ORTEP
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      110(2)
_diffrn_measured_fraction_theta_full 0.945
_diffrn_measured_fraction_theta_max 0.945
_diffrn_measurement_device_type  'BRUKER SMART APEX CCD DIFFRACTOMETER'
_diffrn_measurement_method       'OMEGA-PHI 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  0.0336
_diffrn_reflns_av_sigmaI/netI    0.0581
_diffrn_reflns_limit_h_max       28
_diffrn_reflns_limit_h_min       -21
_diffrn_reflns_limit_k_max       7
_diffrn_reflns_limit_k_min       -9
_diffrn_reflns_limit_l_max       10
_diffrn_reflns_limit_l_min       -8
_diffrn_reflns_number            5722
_diffrn_reflns_theta_full        28.25
_diffrn_reflns_theta_max         28.25
_diffrn_reflns_theta_min         1.90
_exptl_absorpt_coefficient_mu    1.890
_exptl_absorpt_correction_T_max  0.8791
_exptl_absorpt_correction_T_min  0.5918
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'BRUKER SADABS'
_exptl_crystal_colour            BLUE
_exptl_crystal_density_diffrn    1.557
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       PLATES
_exptl_crystal_F_000             544
_exptl_crystal_size_max          0.31
_exptl_crystal_size_mid          0.09
_exptl_crystal_size_min          0.07
_refine_diff_density_max         1.110
_refine_diff_density_min         -0.899
_refine_diff_density_rms         0.136
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.08(4)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.158
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     117
_refine_ls_number_reflns         2643
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.158
_refine_ls_R_factor_all          0.0678
_refine_ls_R_factor_gt           0.0630
_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^+3.5137P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1439
_refine_ls_wR_factor_ref         0.1460
_reflns_number_gt                2477
_reflns_number_total             2643
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            cg101587h_si_002.cif
_cod_data_source_block           9htkbaf(compound3)
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'ORTHORHOMBIC' changed to
'orthorhombic' according to
/home/saulius/struct/CIF-dictionaries/cif_core.dic dictionary named
'cif_core.dic' version 2.4.1 from
2010-06-29.

'_exptl_absorpt_correction_type' value 'MULTI-SCAN'
changed to 'multi-scan' according to
/home/saulius/struct/CIF-dictionaries/cif_core.dic dictionary named
'cif_core.dic' version 2.4.1 from
2010-06-29.

'_refine_ls_weighting_scheme' value 'CALC' changed to
'calc' according to
/home/saulius/struct/CIF-dictionaries/cif_core.dic dictionary named
'cif_core.dic' version 2.4.1 from 2010-06-29.

Automatic conversion script
Id: cif_fix_values 1715 2011-07-08 13:25:40Z adriana 
;
_cod_original_sg_symbol_H-M      P2(1)2(1)2
_cod_database_code               4500483