REDO_PART-2ofHomework5 - π was a correct observation. So,...

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Problem Set 5 Chemistry 154A/254A: Quantum Chemistry Professor Song-I Han Teaching Assistant: Wang, Xiqing (Francis) Office: Chemistry 3223 Office: Chem 1126/ Dahlquist Lab (1 th floor) Office hours: Tue, Th 4-5 pm Office hours: Wed 1-2 pm and Fr 4-5pm Email: [email protected] Email: [email protected] REDO PART OF PROBLEM-2 AND SUBMIT TOGETHER WITH PROBLEM-6 2. In problem 2, answer the part about calculating the NMR phase of components a, b, and c again, this time by using this time echo time tau = 100.001 ms. Your question raised about all components coinciding after tau=100 ms along the same transverse axes with integer number times 2
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Unformatted text preview: π was a correct observation. So, you can see from my response that the problem is that in reality, you will never have tau=100.000 ms, but for example tau=100.001 ms. Try again and redo this part of the homework. You will see where the problem was in my question. In that sense, it was a “good” exercise. In reality, you WILL diphase your signal components with different frequencies after tau. Please demonstrate this with a simple calculation....
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This note was uploaded on 08/06/2008 for the course CHEM 154A taught by Professor Han during the Winter '08 term at UCSB.

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