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_7224250
_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 H17 Cu N3 O2'
_chemical_formula_weight         346.87
_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                   7.032(12)
_cell_length_b                   7.827(14)
_cell_length_c                   27.76(5)
_cell_measurement_reflns_used    3418
_cell_measurement_temperature    173(2)
_cell_measurement_theta_max      30.2410
_cell_measurement_theta_min      2.7220
_cell_volume                     1528(5)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      173(2)
_diffrn_measured_fraction_theta_full 0.996
_diffrn_measured_fraction_theta_max 0.996
_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  0.0412
_diffrn_reflns_av_sigmaI/netI    0.0458
_diffrn_reflns_limit_h_max       8
_diffrn_reflns_limit_h_min       -8
_diffrn_reflns_limit_k_max       9
_diffrn_reflns_limit_k_min       -9
_diffrn_reflns_limit_l_max       32
_diffrn_reflns_limit_l_min       -33
_diffrn_reflns_number            9390
_diffrn_reflns_theta_full        25.52
_diffrn_reflns_theta_max         25.52
_diffrn_reflns_theta_min         1.47
_exptl_absorpt_coefficient_mu    1.439
_exptl_absorpt_correction_T_max  0.789
_exptl_absorpt_correction_T_min  0.642
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   SADABS
_exptl_crystal_colour            dark-blue
_exptl_crystal_density_diffrn    1.508
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             716
_exptl_crystal_size_max          0.36
_exptl_crystal_size_mid          0.23
_exptl_crystal_size_min          0.14
_refine_diff_density_max         0.325
_refine_diff_density_min         -0.290
_refine_diff_density_rms         0.127
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.012(16)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.856
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     199
_refine_ls_number_reflns         2860
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.856
_refine_ls_R_factor_all          0.0331
_refine_ls_R_factor_gt           0.0273
_refine_ls_shift/su_max          0.032
_refine_ls_shift/su_mean         0.005
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0803P)^2^+0.4153P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0745
_refine_ls_wR_factor_ref         0.0894
_reflns_number_gt                2582
_reflns_number_total             2860
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c5ra27040e2.cif
_cod_data_source_block           2M2
_cod_depositor_comments
;
The following automatic conversions were performed:

'_exptl_absorpt_correction_type' value 'MULTI-SCAN' changed to
'multi-scan' 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 
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_cod_original_sg_symbol_H-M      P212121
_cod_database_code               7224250