Title : Fourier transform infrared studies of ammonia photochemistry in solid parahydrogen.

Pub. Date : 2013 Dec 19

PMID : 24063591






3 Functional Relationships(s)
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1 We present 193 nm in situ photochemical studies of NH3 isolated in solid parahydrogen (pH2) at 1.8 K using Fourier Transform Infrared (FTIR) spectroscopy. Ammonia polyhomeotic homolog 2 Homo sapiens
2 Once the ortho-NH3 is produced in this defect site it slowly converts (k(conv) = 7.72(51) x 10(-3) min(-1)) back to a single substitution site even at 1.8 K. We demonstrate the in situ photolysis of NH3 can be utilized to generate NH doped pH2 solids that are relatively stable at low temperature. Ammonia polyhomeotic homolog 2 Homo sapiens
3 However, the ortho-NH2 + pH2 ortho-NH3 + H back reaction substantially limits the sequential two-photon conversion of NH3 to NH. Ammonia polyhomeotic homolog 2 Homo sapiens