Two-photon absorption of BF2-carrying compounds: insights from theory and experiment.
Bednarska, Joanna; Zaleśny, Robert; Wielgus, Małgorzata; Jędrzejewska, Beata; Puttreddy, Rakesh; Rissanen, Kari; Bartkowiak, Wojciech; Ågren, Hans; Ośmiałowski, Borys; Physical chemistry chemical physics : PCCP 19 (2017) 5705–5708; doi:10.1039/c7cp00063d

data_7227540
_publ_section_title
;
 Two-photon absorption of BF2-carrying compounds: insights from theory and
 experiment.
;
_journal_issue                   8
_journal_name_full               'Physical chemistry chemical physics : PCCP'
_journal_page_first              5705
_journal_page_last               5708
_journal_paper_doi               10.1039/c7cp00063d
_journal_volume                  19
_journal_year                    2017
_chemical_formula_moiety         'C15 H15 B F2 N2 O'
_chemical_formula_sum            'C15 H15 B F2 N2 O'
_chemical_formula_weight         288.10
_space_group_crystal_system      orthorhombic
_space_group_IT_number           29
_space_group_name_Hall           'P 2c -2ac'
_space_group_name_H-M_alt        'P c a 21'
_symmetry_space_group_name_Hall  'P 2c -2ac'
_symmetry_space_group_name_H-M   'P c a 21'
_atom_sites_solution_hydrogens   geom
_audit_creation_date             2016-02-01
_audit_creation_method
;
Olex2 1.2
(compiled 2015.09.30 svn.r3233 for OlexSys, GUI svn.r5103)
;
_audit_update_record
;
2016-12-05 deposited with the CCDC.
2017-01-26 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            8
_cell_length_a                   31.155(6)
_cell_length_b                   7.7105(15)
_cell_length_c                   11.419(2)
_cell_measurement_reflns_used    3909
_cell_measurement_temperature    170
_cell_measurement_theta_max      28.700
_cell_measurement_theta_min      0.407
_cell_volume                     2743.1(9)
_computing_molecular_graphics    'Olex2 (Dolomanov et al., 2009)'
_computing_publication_material  'Olex2 (Dolomanov et al., 2009)'
_computing_structure_refinement  'ShelXL (Sheldrick, 2015)'
_diffrn_ambient_temperature      170
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device_type  'Bruker APEX-II CCD'
_diffrn_measurement_method       '\w scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0548
_diffrn_reflns_av_unetI/netI     0.0339
_diffrn_reflns_Laue_measured_fraction_full 0.998
_diffrn_reflns_Laue_measured_fraction_max 0.998
_diffrn_reflns_limit_h_max       37
_diffrn_reflns_limit_h_min       -37
_diffrn_reflns_limit_k_max       9
_diffrn_reflns_limit_k_min       -9
_diffrn_reflns_limit_l_max       13
_diffrn_reflns_limit_l_min       -13
_diffrn_reflns_number            52282
_diffrn_reflns_point_group_measured_fraction_full 0.998
_diffrn_reflns_point_group_measured_fraction_max 0.998
_diffrn_reflns_theta_full        25.250
_diffrn_reflns_theta_max         25.249
_diffrn_reflns_theta_min         2.211
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.106
_exptl_absorpt_correction_T_max  0.7457
_exptl_absorpt_correction_T_min  0.6858
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
SADABS-2012/1 (Bruker,2012) was used for absorption correction.
wR2(int) was 0.0801 before and 0.0730 after correction.
The Ratio of minimum to maximum transmission is 0.9197.
The \l/2 correction factor is 0.0015.
;
_exptl_crystal_colour            orange
_exptl_crystal_colour_primary    orange
_exptl_crystal_density_diffrn    1.395
_exptl_crystal_description       block
_exptl_crystal_F_000             1200
_exptl_crystal_size_max          0.17
_exptl_crystal_size_mid          0.14
_exptl_crystal_size_min          0.11
_refine_diff_density_max         0.137
_refine_diff_density_min         -0.126
_refine_diff_density_rms         0.032
_refine_ls_abs_structure_details
;
 Flack x determined using 1741 quotients [(I+)-(I-)]/[(I+)+(I-)]
 (Parsons and Flack (2004), Acta Cryst. A60, s61).
;
_refine_ls_abs_structure_Flack   0.3(2)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.072
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     383
_refine_ls_number_reflns         4958
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.072
_refine_ls_R_factor_all          0.0502
_refine_ls_R_factor_gt           0.0365
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0336P)^2^+0.4367P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0732
_refine_ls_wR_factor_ref         0.0786
_reflns_Friedel_coverage         0.894
_reflns_Friedel_fraction_full    0.998
_reflns_Friedel_fraction_max     0.998
_reflns_number_gt                4176
_reflns_number_total             4958
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            c7cp00063d2.cif
_cod_data_source_block           Comp1
_cod_depositor_comments
'Adding full bibliography for 7227539--7227540.cif.'
_cod_original_cell_volume        2743.2(9)
_cod_database_code               7227540
_shelxl_version_number           2013-4
_olex2_refinement_description
;
1. Fixed Uiso
 At 1.2 times of:
  All C(H) groups
 At 1.5 times of:
  All C(H,H,H) groups
2.a Aromatic/amide H refined with riding coordinates:
 C1(H1), C1A(H1A), C2(H2), C3(H3), C4(H4), C6(H6), C9(H9), C10(H10), C12(H12),
 C13(H13), C17(H17), C18(H18), C19(H19), C21(H21), C23(H23), C24(H24), C26(H26),
  C27(H27)
2.b Idealised Me refined as rotating group:
 C14(H14A,H14B,H14C), C15(H15A,H15B,H15C), C28(H28A,H28B,H28C), C29(H29A,H29B,
 H29C)
;
_shelx_res_checksum              3312
_olex2_submission_special_instructions 'No special instructions were received'