Homoleptic cerium tris(dialkylamido)imidophosphorane guanidinate complexes
Abstract
We report the synthesis of a new potassium tris(piperdino)imidophosphorane N,N'-dicyclohexylguanidinate, K[CyGNP(pip)3], and describe the synthesis and characterization of the tris-homoleptic compounds, [Ce(CyGNP(pip)3)3], 1-Ce, and [Ce(CyGNP(pip)3)3][BPh4], 2-Ce. The latter is an unusual cationic tetravalent cerium complex. Cyclic voltammetry studies of 1-Ce and 2-Ce revealed Epc potentials of -1.56 V and -1.81 V, and Epa potentials of -0.78 V and -0.66 V (200 mV s-1; THF, vs. Fc0/+), respectively. Compounds 1-Ce and 2-Ce were studied by L3-edge X-ray absorption near-edge spectroscopy (XANES), and the fit of the spectrum of 2-Ce revealed a white-line multiplet with an nf value of 0.50(2).
- Publication Date:
- Research Org.:
- Georgia Institute of Technology, Atlanta, GA (United States)
- Sponsoring Org.:
- USDOE Office of Science (SC), Basic Energy Sciences (BES)
- OSTI Identifier:
- 1853167
- Alternate Identifier(s):
- OSTI ID: 1678784
- Grant/Contract Number:
- SC0019385
- Resource Type:
- Accepted Manuscript
- Journal Name:
- Dalton Transactions
- Additional Journal Information:
- Journal Volume: 49; Journal Issue: 42; Journal ID: ISSN 1477-9226
- Publisher:
- Royal Society of Chemistry
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY
Citation Formats
Aguirre Quintana, Luis M., Jiang, Ningxin, Bacsa, John, and La Pierre, Henry S. Homoleptic cerium tris(dialkylamido)imidophosphorane guanidinate complexes. United States: N. p., 2020.
Web. doi:10.1039/d0dt03472j.
Aguirre Quintana, Luis M., Jiang, Ningxin, Bacsa, John, & La Pierre, Henry S. Homoleptic cerium tris(dialkylamido)imidophosphorane guanidinate complexes. United States. https://doi.org/10.1039/d0dt03472j
Aguirre Quintana, Luis M., Jiang, Ningxin, Bacsa, John, and La Pierre, Henry S. Wed .
"Homoleptic cerium tris(dialkylamido)imidophosphorane guanidinate complexes". United States. https://doi.org/10.1039/d0dt03472j. https://www.osti.gov/servlets/purl/1853167.
@article{osti_1853167,
title = {Homoleptic cerium tris(dialkylamido)imidophosphorane guanidinate complexes},
author = {Aguirre Quintana, Luis M. and Jiang, Ningxin and Bacsa, John and La Pierre, Henry S.},
abstractNote = {We report the synthesis of a new potassium tris(piperdino)imidophosphorane N,N'-dicyclohexylguanidinate, K[CyGNP(pip)3], and describe the synthesis and characterization of the tris-homoleptic compounds, [Ce(CyGNP(pip)3)3], 1-Ce, and [Ce(CyGNP(pip)3)3][BPh4], 2-Ce. The latter is an unusual cationic tetravalent cerium complex. Cyclic voltammetry studies of 1-Ce and 2-Ce revealed Epc potentials of -1.56 V and -1.81 V, and Epa potentials of -0.78 V and -0.66 V (200 mV s-1; THF, vs. Fc0/+), respectively. Compounds 1-Ce and 2-Ce were studied by L3-edge X-ray absorption near-edge spectroscopy (XANES), and the fit of the spectrum of 2-Ce revealed a white-line multiplet with an nf value of 0.50(2).},
doi = {10.1039/d0dt03472j},
journal = {Dalton Transactions},
number = 42,
volume = 49,
place = {United States},
year = {Wed Oct 14 00:00:00 EDT 2020},
month = {Wed Oct 14 00:00:00 EDT 2020}
}
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