Specific recognition and sensing of CN- in sodium cyanide solution.
Saha, Sukdeb; Ghosh, Amrita; Mahato, Prasenjit; Mishra, Sandhya; Mishra, Sanjiv K.; Suresh, E.; Das, Satyabrata; Das, Amitava; Organic letters 12 (2010) 3406–3409; doi:10.1021/ol101281x

data_1503090
_publ_section_title
;
 Specific recognition and sensing of CN- in sodium cyanide solution.
;
_journal_issue                   15
_journal_name_full               'Organic letters'
_journal_page_first              3406
_journal_page_last               3409
_journal_paper_doi               10.1021/ol101281x
_journal_volume                  12
_journal_year                    2010
_chemical_formula_sum            'C21 H12 N2 O2'
_chemical_formula_weight         324.33
_space_group_IT_number           13
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2yc'
_symmetry_space_group_name_H-M   'P 1 2/c 1'
_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                 116.866(4)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   15.444(4)
_cell_length_b                   7.4809(17)
_cell_length_c                   14.862(3)
_cell_measurement_reflns_used    2941
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      26.02
_cell_measurement_theta_min      2.72
_cell_volume                     1531.7(6)
_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      293(2)
_diffrn_measured_fraction_theta_full 0.921
_diffrn_measured_fraction_theta_max 0.921
_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  0.0362
_diffrn_reflns_av_sigmaI/netI    0.0335
_diffrn_reflns_limit_h_max       18
_diffrn_reflns_limit_h_min       -18
_diffrn_reflns_limit_k_max       8
_diffrn_reflns_limit_k_min       -8
_diffrn_reflns_limit_l_max       17
_diffrn_reflns_limit_l_min       -17
_diffrn_reflns_number            10477
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         25.00
_diffrn_reflns_theta_min         2.72
_exptl_absorpt_coefficient_mu    0.092
_exptl_absorpt_correction_T_max  0.9854
_exptl_absorpt_correction_T_min  0.9684
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'BRUKER SADABS'
_exptl_crystal_colour            ORANGE
_exptl_crystal_density_diffrn    1.406
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       BLOCKS
_exptl_crystal_F_000             672
_exptl_crystal_size_max          0.35
_exptl_crystal_size_mid          0.24
_exptl_crystal_size_min          0.16
_refine_diff_density_max         0.249
_refine_diff_density_min         -0.192
_refine_diff_density_rms         0.042
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.308
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     223
_refine_ls_number_reflns         2697
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.308
_refine_ls_R_factor_all          0.1114
_refine_ls_R_factor_gt           0.0934
_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^)+(0.0430P)^2^+1.3462P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1720
_refine_ls_wR_factor_ref         0.1798
_reflns_number_gt                2267
_reflns_number_total             2697
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ol101281x_si_002.cif
_cod_data_source_block           378agbforganic
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
according to /home/saulius/struct/CIF-dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 from
2011-04-26.

'_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 2.4.2 from 2011-04-26.

Automatic conversion script
Id: cif_fix_values 1715 2011-07-08 13:25:40Z adriana 
;
_cod_original_cell_volume        1531.8(6)
_cod_original_sg_symbol_H-M      P2/c
_cod_database_code               1503090