Fluorogenic and chromogenic rhodamine spirolactam based probe for nitric oxide by spiro ring opening reaction.
Zheng, Hong; Shang, Gui-Qin; Yang, Shi-Yao; Gao, Xia; Xu, Jin-Gou; Organic letters 10 (2008) 2357–2360; doi:10.1021/ol800206x

data_1504600
_publ_contact_author
;
     Dr. Zheng Hong
     Department of Chemistry
     Xiamen University
     Xiamen 361005
     China
;
_publ_section_title
;
 Fluorogenic and chromogenic rhodamine spirolactam based probe for nitric
 oxide by spiro ring opening reaction.
;
_journal_issue                   12
_journal_name_full               'Organic letters'
_journal_page_first              2357
_journal_page_last               2360
_journal_paper_doi               10.1021/ol800206x
_journal_volume                  10
_journal_year                    2008
_chemical_formula_moiety         'C34 H36 N4 O2'
_chemical_formula_sum            'C34 H36 N4 O2'
_chemical_formula_weight         532.67
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2yn'
_symmetry_space_group_name_H-M   'P 1 21/n 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                 100.538(1)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   9.2961(4)
_cell_length_b                   13.8333(6)
_cell_length_c                   22.063(1)
_cell_measurement_temperature    293(2)
_cell_volume                     2789.4(2)
_computing_cell_refinement       'SAINT (Bruker, 2001)'
_computing_data_collection       'SMART (Bruker, 2001)'
_computing_data_reduction        'SAINT (Bruker, 2001)'
_computing_molecular_graphics    'ORTEP-II (Johnson, 1976)'
_computing_publication_material  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 0.933
_diffrn_measured_fraction_theta_max 0.933
_diffrn_measurement_device_type  'Bruker APEX area-detector diffractometer'
_diffrn_measurement_method       '\f and \w 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  0.0283
_diffrn_reflns_av_sigmaI/netI    0.0302
_diffrn_reflns_limit_h_max       12
_diffrn_reflns_limit_h_min       -11
_diffrn_reflns_limit_k_max       18
_diffrn_reflns_limit_k_min       -18
_diffrn_reflns_limit_l_max       29
_diffrn_reflns_limit_l_min       -29
_diffrn_reflns_number            24497
_diffrn_reflns_theta_full        28.83
_diffrn_reflns_theta_max         28.83
_diffrn_reflns_theta_min         1.75
_diffrn_standards_decay_%        0
_diffrn_standards_interval_time  0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.080
_exptl_absorpt_correction_T_max  0.9850
_exptl_absorpt_correction_T_min  0.9597
_exptl_absorpt_correction_type   empirical
_exptl_absorpt_process_details   'SADABS (Sheldrick, 1996)'
_exptl_crystal_colour            Colorless
_exptl_crystal_density_diffrn    1.268
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       Plate
_exptl_crystal_F_000             1136
_exptl_crystal_size_max          0.52
_exptl_crystal_size_mid          0.46
_exptl_crystal_size_min          0.19
_refine_diff_density_max         0.314
_refine_diff_density_min         -0.218
_refine_diff_density_rms         0.042
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.026
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     375
_refine_ls_number_reflns         6825
_refine_ls_number_restraints     8
_refine_ls_restrained_S_all      1.029
_refine_ls_R_factor_all          0.0866
_refine_ls_R_factor_gt           0.0622
_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^)+(0.0954P)^2^+0.5616P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1659
_refine_ls_wR_factor_ref         0.1831
_reflns_number_gt                4765
_reflns_number_total             6825
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ol800206x-file006.cif
_cod_data_source_block           y
_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 2.4.1 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      'P 21/n '
_cod_database_code               1504600