ChemInform Abstract: A Spectroscopic and Theoretical Analysis of the Internal Rotation Bands Appearing in the S1‐S0 Transition of Phenylsilaneluminescence, fluorescence (organic substances)structure (organic substances)organo-silicon compounds, isocyclic C derivatives...
Rotationally resolved fluorescence excitation spectra of two vibronic bands in theS1←S0electronic transition of 2‐hydroxypyridine (2HP), and of the corresponding bands in the hydroxy‐deuterated molecule, have been obtained. A comparison of the rotational constants of the two molecules shows that the...
High-resolution Stark effect measurements on theS1←S0(ππ*)origin ofcis-free base isobacteriochlorin in single crystals ofn-octane at 5 K are reported. The spectral splittings of the band at 15822 cm1are linearly dependent on the applied electric field. The change in dipole moment (Δμ)...
The chemical structures of the single molecules (left panels), natural transition orbitals (NTOs) for the first singlet excited state (middle panels), and the experimental crystal structure (right panels) are shown for anthracene (ANT,a),α-sexithiophene (a6T,b), perylenetetracarboxylic diimide (...
We report a study of the temperature dependence of the homogeneous width and frequency of the S1← S0 0-0 transition of free-base porphin as a guest in an n-octane matrix. In the liquid helium temperature region, the measurements have been made by means of photochemical hole-burning, at ...
Zeeman effect on the S1 ← S0 transition of the photoisomer of chlorin in different sites in n-hexane studied by photochemical hole-burning AIM Dicker,J Dobkowski,M Noort,... 被引量: 0发表: 1982年 STEREOELECTRONIC PROPERTIES OF PHOTOSYNTHETIC AND RELATED SYSTEMS — V. AB INITIO CONFIGURATION...
1b). PDI dissolves readily in buffer, even in the mM range, giving homogeneous cherry-red solutions stable over time. The ultraviolet–visible spectrum of 200 μM PDI solutions displays a broad absorption band (400–620 nm) due to the S0 → S1 transition of the perylenediimide ...
Theoretical investigation into electron density redistribution in theS0→S1transition for (H2O)n,n=2–6, complexes with hydrogen bonding Quantum-chemical calculations of the system Cl4Ge←O=C[N(CH3)2]2 with full geometry optimization were performed by RHF/6-31G(d) and MP2/6-31G(d) methods...
Herzberg–Teller (HT), rather than the FC, approach is essential for analyzing the S1→S0non-radiative transitions, revealing the importance of vibronic borrowing for efficient IC in such conjugates, which represents another unexplored consideration that is important for the design of fluorescent nitro...
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