A general approach to spirolactonized Si-rhodamines
Wang, Baogang; Chai, Xiaoyun; Zhu, Weiwei; Wang, Ting; Wu, Qiuye; Chemical Communications (Cambridge, United Kingdom) 50 (2014) 14374–14377; doi:10.1039/c4cc06178k

data_7115944
_publ_section_title
;
 A general approach to spirolactonized Si-rhodamines
;
_journal_coden_ASTM              CHCOFS
_journal_issue                   92
_journal_name_full
;
 Chemical Communications (Cambridge, United Kingdom)
;
_journal_page_first              14374
_journal_page_last               14377
_journal_paper_doi               10.1039/c4cc06178k
_journal_volume                  50
_journal_year                    2014
_chemical_formula_moiety         'C30 H36 N2 O2 Si'
_chemical_formula_sum            'C30 H36 N2 O2 Si'
_chemical_formula_weight         884.70
_chemical_name_common            SiR
_space_group_IT_number           33
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  'P 2c -2n'
_symmetry_space_group_name_H-M   'P n a 21'
_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            8
_cell_length_a                   22.481(5)
_cell_length_b                   12.174(2)
_cell_length_c                   20.069(4)
_cell_measurement_temperature    153(2)
_cell_volume                     5492.6(19)
_computing_cell_refinement       'Bruker XSCANS'
_computing_data_collection       'Bruker XSCANS'
_computing_data_reduction        'Bruker SHELXTL'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'Bruker SHELXTL'
_computing_structure_solution    'Bruker SHELXTL'
_diffrn_ambient_temperature      153(2)
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device_type  'Bruker P4'
_diffrn_measurement_method       '\w scans'
_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  0.0526
_diffrn_reflns_av_sigmaI/netI    0.0766
_diffrn_reflns_limit_h_max       26
_diffrn_reflns_limit_h_min       -20
_diffrn_reflns_limit_k_max       14
_diffrn_reflns_limit_k_min       -14
_diffrn_reflns_limit_l_max       23
_diffrn_reflns_limit_l_min       -23
_diffrn_reflns_number            21808
_diffrn_reflns_theta_full        25.02
_diffrn_reflns_theta_max         25.02
_diffrn_reflns_theta_min         1.81
_exptl_absorpt_coefficient_mu    0.114
_exptl_absorpt_correction_T_max  0.9842
_exptl_absorpt_correction_T_min  0.9559
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   sadabs
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.172
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             2080
_exptl_crystal_size_max          0.40
_exptl_crystal_size_mid          0.28
_exptl_crystal_size_min          0.14
_refine_diff_density_max         0.269
_refine_diff_density_min         -0.206
_refine_diff_density_rms         0.046
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   -0.06(9)
_refine_ls_extinction_coef       0.00345(17)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     SHELXL
_refine_ls_goodness_of_fit_ref   0.849
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     644
_refine_ls_number_reflns         9615
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      0.849
_refine_ls_R_factor_all          0.0896
_refine_ls_R_factor_gt           0.0456
_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^)+(0.0400P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0837
_refine_ls_wR_factor_ref         0.0938
_reflns_number_gt                5508
_reflns_number_total             9615
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c4cc06178k2.cif
_cod_data_source_block           a30614a
_cod_depositor_comments
;

2018-03-15
Z value and formula fixed to values more according to usual
chemical conventions.                 miguel
;
_cod_original_sg_symbol_H-M      Pna2(1)
_cod_original_formula_sum        'C240 H288 N16 O16 Si8'
_cod_original_formula_units_Z    1
_cod_original_formula_weight     3877.58
_cod_database_code               7115944