Field-induced Ferromagnetism due to Magneto-striction in 1-D helical chain
shaw, Bikash kumar; Das, Mithun; Bhattacharyya, Anik; Ghosh, Biswa Nath; Roy, Susmita; Mandal, Prabhat; Rissanen, Kari; Chattopadhyay, Shouvik; saha, Shyamal Kumar; RSC Adv.  (2016) –; doi:10.1039/C5RA27040E

data_7224248
_publ_section_title
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 Field-induced Ferromagnetism due to Magneto-striction in 1-D helical
 chain
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_journal_name_full               'RSC Adv.'
_journal_paper_doi               10.1039/C5RA27040E
_journal_year                    2016
_chemical_formula_sum            'C16 H19 Cu N5 O'
_chemical_formula_weight         360.90
_chemical_name_systematic
;
 ?
;
_space_group_IT_number           19
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  'P 2ac 2ab'
_symmetry_space_group_name_H-M   'P 21 21 21'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_audit_update_record
;
2016-02-09 deposited with the CCDC.
2016-02-11 downloaded from the CCDC.
;
_cell_angle_alpha                90.00
_cell_angle_beta                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   8.3537(3)
_cell_length_b                   9.1463(4)
_cell_length_c                   20.1898(8)
_cell_measurement_reflns_used    1941
_cell_measurement_temperature    123(2)
_cell_measurement_theta_max      28.57
_cell_measurement_theta_min      2.01
_cell_volume                     1542.61(11)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      123(2)
_diffrn_measured_fraction_theta_full 0.982
_diffrn_measured_fraction_theta_max 0.982
_diffrn_measurement_device_type  'BRUKER SMART APEX II'
_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  0.0459
_diffrn_reflns_av_sigmaI/netI    0.0535
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       -11
_diffrn_reflns_limit_k_max       12
_diffrn_reflns_limit_k_min       -12
_diffrn_reflns_limit_l_max       25
_diffrn_reflns_limit_l_min       -27
_diffrn_reflns_number            13408
_diffrn_reflns_theta_full        28.76
_diffrn_reflns_theta_max         28.76
_diffrn_reflns_theta_min         2.02
_exptl_absorpt_coefficient_mu    1.428
_exptl_absorpt_correction_T_max  0.813
_exptl_absorpt_correction_T_min  0.662
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   SADABS
_exptl_crystal_colour            dark-green
_exptl_crystal_density_diffrn    1.554
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       plate
_exptl_crystal_F_000             748
_exptl_crystal_size_max          0.37
_exptl_crystal_size_mid          0.25
_exptl_crystal_size_min          0.13
_refine_diff_density_max         0.307
_refine_diff_density_min         -0.439
_refine_diff_density_rms         0.064
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.004(13)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.006
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     208
_refine_ls_number_reflns         3895
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.006
_refine_ls_R_factor_all          0.0438
_refine_ls_R_factor_gt           0.0333
_refine_ls_shift/su_max          0.004
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0349P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0734
_refine_ls_wR_factor_ref         0.0779
_reflns_number_gt                3349
_reflns_number_total             3895
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c5ra27040e2.cif
_cod_data_source_block           1M3
_cod_depositor_comments
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The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Orthorhombic' changed to
'orthorhombic' according to
/usr/data/users/saulius/crontab/automatic-downloads/rss-feeds/RSC/lib/dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 from 2011-04-26.

Automatic conversion script
Id: cif_fix_values 4268 2015-11-12 08:31:59Z antanas 
;
_cod_original_sg_symbol_H-M      P212121
_cod_database_code               7224248