High-energy molecular-frame photoelectron angular distributions: a molecular bond-length ruler

被引:7
|
作者
Vela-Perez, I. [1 ]
Ota, F. [2 ]
Mhamdi, A. [3 ,4 ]
Tamura, Y. [2 ]
Rist, J. [1 ]
Melzer, N. [1 ]
Uerken, S. [1 ]
Nalin, G. [1 ]
Anders, N. [1 ]
You, D. [5 ]
Kircher, M. [1 ]
Janke, C. [1 ]
Waitz, M. [1 ]
Trinter, F. [6 ,7 ]
Guillemin, R. [8 ]
Piancastelli, M. N. [8 ]
Simon, M. [8 ]
Davis, V. T. [9 ]
Williams, J. B. [9 ]
Doerner, R. [1 ]
Hatada, K. [2 ]
Yamazaki, K. [10 ]
Fehre, K. [1 ]
Demekhin, Ph. V. [3 ,4 ]
Ueda, K. [5 ,11 ]
Schoeffler, M. S. [1 ]
Jahnke, T. [12 ]
机构
[1] Goethe Univ, Inst Kernphys, Max von Laue Str 1, D-60438 Frankfurt, Germany
[2] Univ Toyama, Dept Phys, Gofuku 3190, Toyama 9308555, Japan
[3] Univ Kassel, Inst Phys, Heinrich Plett Str 40, D-34132 Kassel, Germany
[4] Univ Kassel, CINSaT, Heinrich Plett Str 40, D-34132 Kassel, Germany
[5] Tohoku Univ, Inst Multidisciplinary Res Adv Mat, Sendai, Miyagi 9808577, Japan
[6] Deutsch Elektronen Synchrotron DESY, Notkestr 85, D-22607 Hamburg, Germany
[7] Max Planck Gesell, Fritz Haber Inst, Mol Phys, Faradayweg 4-6, D-14195 Berlin, Germany
[8] Sorbonne Univ, CNRS, LCPMR, F-75005 Paris, France
[9] Univ Nevada, Dept Phys, Reno, NV 89557 USA
[10] RIKEN, RIKEN Ctr Adv Photon, 2-1 Hirosawa, Wako, Saitama 3510198, Japan
[11] Tohoku Univ, Dept Chem, 6-3 Aramaki Aza Aoba,Aoba Ku, Sendai, Miyagi 9808578, Japan
[12] European XFEL, Holzkoppel 4, D-22869 Schenefeld, Germany
关键词
INFORMATION;
D O I
10.1039/d2cp05942h
中图分类号
O64 [物理化学(理论化学)、化学物理学];
学科分类号
070304 ; 081704 ;
摘要
We present a study on molecular-frame photoelectron angular distributions (MFPADs) of small molecules using circularly polarized synchrotron light. We find that the main forward-scattering peaks of the MFPADs are slightly tilted with respect to the molecular axis. This tilt angle is directly connected to the molecular bond length by a simple, universal formula. We apply the derived formula to several examples of MFPADs of C 1s and O 1s photoelectrons of CO, which have been measured experimentally or obtained by means of ab initio modeling. In addition, we discuss the influence of the back-scattering contribution that is superimposed over the analyzed forward-scattering peak in the case of homo-nuclear diatomic molecules such as N-2.
引用
收藏
页码:13784 / 13791
页数:8
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