Negative ion photoelectron spectroscopy of P2N3–: Electron affinity and electronic structures of P2N3 ˙
Abstract
The recent successful synthesis of P2N3–, a planar all-inorganic aromatic molecule, represents a breakthrough in inorganic chemistry, because, like its isolobal counterparts C5H5– and cyclo-P5–, P2N3– has potential to serve as a new ligand for transition metals and a building block in solid-state molecular architectures. In light of its importance, we report here a negative ion photoelectron spectroscopy (NIPES) and ab initio study of P2N3–, to investigate the electronic structures of P2N3– and its neutral P2N3• radical. The adiabatic detachment energy of P2N3– (electron affinity of P2N3•) was determined to be 3.765 ± 0.010 eV, indicating high stability for the P2N3– anion. Ab initio electronic structure calculations reveal five low-lying electronic states in the neutral P2N3• radical. Calculation of the Franck-Condon factors (FCFs) for each anion-to-neutral electronic transition and comparison of the resulting simulated NIPE spectrum with the vibrational structure in the observed spectrum allows the first four excited states of P2N3• to be determined to lie 6.2, 6.7, 11.5, and 22.8 kcal/mol-1 above the ground state of the radical, which is found to be a 6π-electron, 2A1, σ state.
- Authors:
-
- Pacific Northwest National Lab. (PNNL), Richland, WA (United States)
- Cornell Univ., Ithaca, NY (United States)
- Massachusetts Inst. of Technology (MIT), Cambridge, MA (United States)
- Univ. of North Texas, Denton, TX (United States)
- Publication Date:
- Research Org.:
- Pacific Northwest National Lab. (PNNL), Richland, WA (United States), Environmental Molecular Sciences Laboratory (EMSL)
- Sponsoring Org.:
- USDOE Office of Science (SC), Basic Energy Sciences (BES)
- OSTI Identifier:
- 1324892
- Report Number(s):
- PNNL-SA-114862
Journal ID: ISSN 2041-6520; CSHCBM; 48584; KC0301050
- Grant/Contract Number:
- AC05-76RL01830
- Resource Type:
- Accepted Manuscript
- Journal Name:
- Chemical Science
- Additional Journal Information:
- Journal Volume: 7; Journal Issue: 7; Journal ID: ISSN 2041-6520
- Publisher:
- Royal Society of Chemistry
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY; Environmental Molecular Sciences Laboratory
Citation Formats
Hou, Gao -Lei, Chen, Bo, Transue, Wesley J., Hrovat, David A., Cummins, Christopher C., Borden, Weston Thatcher, and Wang, Xue -Bin. Negative ion photoelectron spectroscopy of P2N3–: Electron affinity and electronic structures of P2N3 ˙. United States: N. p., 2016.
Web. doi:10.1039/C5SC04667J.
Hou, Gao -Lei, Chen, Bo, Transue, Wesley J., Hrovat, David A., Cummins, Christopher C., Borden, Weston Thatcher, & Wang, Xue -Bin. Negative ion photoelectron spectroscopy of P2N3–: Electron affinity and electronic structures of P2N3 ˙. United States. https://doi.org/10.1039/C5SC04667J
Hou, Gao -Lei, Chen, Bo, Transue, Wesley J., Hrovat, David A., Cummins, Christopher C., Borden, Weston Thatcher, and Wang, Xue -Bin. Tue .
"Negative ion photoelectron spectroscopy of P2N3–: Electron affinity and electronic structures of P2N3 ˙". United States. https://doi.org/10.1039/C5SC04667J. https://www.osti.gov/servlets/purl/1324892.
@article{osti_1324892,
title = {Negative ion photoelectron spectroscopy of P2N3–: Electron affinity and electronic structures of P2N3 ˙},
author = {Hou, Gao -Lei and Chen, Bo and Transue, Wesley J. and Hrovat, David A. and Cummins, Christopher C. and Borden, Weston Thatcher and Wang, Xue -Bin},
abstractNote = {The recent successful synthesis of P2N3–, a planar all-inorganic aromatic molecule, represents a breakthrough in inorganic chemistry, because, like its isolobal counterparts C5H5– and cyclo-P5–, P2N3– has potential to serve as a new ligand for transition metals and a building block in solid-state molecular architectures. In light of its importance, we report here a negative ion photoelectron spectroscopy (NIPES) and ab initio study of P2N3–, to investigate the electronic structures of P2N3– and its neutral P2N3• radical. The adiabatic detachment energy of P2N3– (electron affinity of P2N3•) was determined to be 3.765 ± 0.010 eV, indicating high stability for the P2N3– anion. Ab initio electronic structure calculations reveal five low-lying electronic states in the neutral P2N3• radical. Calculation of the Franck-Condon factors (FCFs) for each anion-to-neutral electronic transition and comparison of the resulting simulated NIPE spectrum with the vibrational structure in the observed spectrum allows the first four excited states of P2N3• to be determined to lie 6.2, 6.7, 11.5, and 22.8 kcal/mol-1 above the ground state of the radical, which is found to be a 6π-electron, 2A1, σ state.},
doi = {10.1039/C5SC04667J},
journal = {Chemical Science},
number = 7,
volume = 7,
place = {United States},
year = {Tue Apr 19 00:00:00 EDT 2016},
month = {Tue Apr 19 00:00:00 EDT 2016}
}
Web of Science
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