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The vibration‐rotation structure of the infrared absorption bands due to ν 2 1 +ν 3 , 2ν 2 0 +ν 3 , and ν 1 +ν 3 have been observed and measured for Br 79 CN and Br 81 CN. The average value of α 3 for these two isotopic molecules was found to be +0.000677 cm —1 . The Fermi resonance...
Using the general energy expression for an alternant system with closed‐shell structure, obtained in our previous paper on the alternant molecular orbital (AMO) method, a numerical analysis is presented of cyclic systems consisting of 2 n =4 v +2 electrons moving in the field of 2 n Complex...
The complete energy matrices of the f 5 configuration have been calculated using the methods of Racah. Energy level schemes have been constructed for the trivalent samarium, dysprosium, and plutonium ions. A preliminary analysis of the observed spectra of these ions is made.
We have activated α Al 2 O 3 with Sm 2+ , Sm 3+ , Eu 3+ , Gd 3+ , Tb 3+ , and Dy 3+ by mixing powders of the rare‐earth oxide with γ Al 2 O 3 and firing in an N 2 and then in a Cl 2 atmosphere at 800°—1000°C. When these activated powders are placed between a metal base plate and a...
The relationship between current and applied voltage is calculated for a process in which a given number of charge carriers of one sign is injected into matter which contains only a negligible density of charges of the opposite sign. Diffusion effects are taken into account approximately. The...
The microwave spectra of cyclopentene has been investigated. Q ‐branch assignments have been made for the ground and the first four vibrationally excited states; R ‐branch assignments have been made for the ground and first excited vibrational state. B ‐type transitions only were observed....
Integrals over Slater orbitals of nonintegral principal quantum numbers centered at two nuclei are investigated, with special reference to the hydrogen molecule‐ion. All the one‐electron integrals for s orbitals are evaluated in closed form. For the hydrogen molecule‐ion, a wave function of...
The 60 Mc/sec high‐resolution NMR spectrum of the protons of the five‐membered ring of indeneComplex chemical formulahas been studied with the aid of the audio sideband phase detection proton—proton spin decoupling technique. The chemical shifts and the spin—spin coupling constants have...
Potential energy curves for the a 1 Σ g + , X 3 II u , 3 Σ g — , b 1 II u , A 3 II g , c 1 II g , B 3 II g , d 1 Σ u + , and e 1 Σ g + states of C 2 have been calculated by the Rydberg—Klein—Rees method. These curves have been compared with some of the recent quantum calculations of...
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