Diethyl ether infrared spectrum

Infrared spectrum, benzaldehyde, 730 butanoic acid, 771 cyclohexane., 436 cyclohexanol, 633 cyclohexanone, 730 cyclohexene. 436 cyclohexylamine, 952 diethyl ether, 671 ethanol, 421 hexane. 424 1-hexene, 424 1-hexyne, 424 phenol, 633... 

Di-p-chloro-bis(i74-l,5-cyclooctadiene)dirhodium(I) is a yellow-orange, air-stable solid. It can be used directly as obtained for preparative purposes5 or as a precursor for homogeneous catalysts.3,4 It can be recrystallized from dichloro-methane-diethyl ether to give orange prisms. The compound is soluble in dichloro-methane somewhat less soluble in acetone and insoluble in pentane and diethyl ether. Characteristic strong bands occur in the infrared spectrum at 819, 964, and 998 cm 1 (Nujol mull). The cyclooctadiene vinylic protons resonate in the 1H NMR spectrum at t 5.7 and the allylic protons at t 7.4-8.3 (deuteriochloroform solution). Other physical properties are given by Chatt.1... 

The aluminum trihydride-diethyl etherate is a colorless solid which reacts violently with water or in a damp atmosphere. ( Caution. Sometimes this reaction is explosive ) The material is unstable to prolonged exposure to light at ambient temperatures, but can be stored at — 10°C. in a sealed container up to one year. The ratio of aluminum trihydride to ether (C2H2)20 in the solid varies between 0.29 and 0.33, depending upon the time under vacuum. The solubility of aluminum trihydride-diethyl etherate in diethyl ether is 0.2Af it is very soluble in tetrahydrofuran. Its infrared spectrum has broad bands in the... 

The (1,1-diphenyl) phosphonitrile fluoride trimer is a colorless crystalline solid that melts at 68.5-69.5°C. It can be recrystallized from n-pentane, n-heptane, petroleum ether, or absolute methanol. It is also soluble in diethyl ether, carbon disulfide, and chloroform, but it is insoluble in and not attacked by water. The infrared spectrum shows a strong phosphorus-nitrogen stretching mode at 1250-1265 cm."1. Strong bands at 914-920, 900-906 cm."1 and at 812-820 cm."1 are associated, respectively, with phosphorus-fluorine asymmetric and symmetric stretching modes. 

Chlorohydridobis(tricyclohexylphosphine)nickel is a yellow-brown solid. It is thermally stable at ambient temperature but reacts with air. It is very soluble in benzene, tetrahydrofuran, and dichloromethane and is soluble in diethyl ether and petroleum ether. Carbon tetrachloride, carbon disulfide, and chloroform decompose the complex. The infrared spectrum shows a sharp v(Ni—H) band at 1916 cm-1 (KBr disk and Nujol mull). The high-field H nmr spectrum in benzene solution has a triplet (1 2 1) at t34.6 (TMS) with JpH 73.5 Hz. The splitting is caused by the coupling of the hydride proton with two equivalent 31P nuclei. This is consistent with a trans square-planar configuration. 

Hydridobis[ s-vinylenebis(diphenylphosphine)] cobalt(l) is a red crystalline solid that is unstable in air both in the solid state and in solution. The complex is soluble in tetrahydrofuran (9.2 X 10-3 mole/L, at 20°), toluene (10.2 X 10 3 mole/L), chloroform (6.3 X 10-3 mole/L), dichloromethane (1.6 X 10-3 mole/ L), and benzene (8.4 X 10-3 mole/L). It is insoluble in ethanol, diethyl ether, acetone, and pentane. The infrared spectrum in Nujol mull shows a band at 1885 (m) cm-1, attributable to the Co-H stretching vibration. 

Using diethylene glycol diethyl ether, b.p. 188°, as the solvent, it has been shown from the nuclear magnetic resonance spectrum and infrared spectrum of the crudely distilled product that A,A, A"-trimethylborazine is obtained in comparable yield. However, the product cannot be separated efficiently from the solvent. 

Ammonium cyanate is a white solid, which rearranges to urea upon prolonged storage or heating. It is extremely soluble in water, slightly soluble in acetonitrile, ethanol, and chloroform, and insoluble in benzene and diethyl ether. The infrared spectrum and x-ray diffraction powder pattern are most useful for determining the absence of urea in the final product. Nujol mulls of pure ammonium cyanate exhibit absorptions at 3160 (s), 2190 (s), 1334 (m), 1243 (m), and 640 (m) cm-i and are free of any infrared-active bands in the regions characteristic of urea, that is, 3456 and 1683 cm-i. 

Hexaethoxycyclotriphosphazatriene is a colorless, odorless liquid for which n is 1.4522. The compound is soluble in petroleum ether, benzene, diethyl ether, carbon tetrachloride, or chloroform, but almost insoluble in water. The frequencies of the principal absorption maxima in the infrared spectrum are 3000, 1225, 1170, 1036, 972, 899, 813, 800, and 751 cm. The frequency at 1225 cm. is characteristic of a six-membered ring in this case. 

This square planar nickel(ll) complex is stable in air in the solid state, but solutions of the complex react in air to produce oxidation products of unknown composition. For this reason, manipulations of the complex are best performed in an inert atmosphere. The complex is a nonelectrolyte and is soluble in most common organic solvents, including diethyl ether, but not in water. The infrared spectrum of the complex contains an intense broad band in the double-bond region centered at 1610 cm. The electronic spectrum of a solution of the compound in toluene contains several bands 17.9 (e = 107), 23.0 (e 1600), 24.5 (e 4600), 25.9 (e 2700), and 29.4 kK (e 5500). The PMR spectrum of the complex in CDCI3 contains four bands as expected singlet methyl at 5 1.88, methylene at 6 3.13, vinyl doublet at 6 4.51, and a second vinyl doublet at 5 6.63. The vinyl protons of the charged chelate ring are coupled, J = 3 Hz. 

The compound is an air-stable white solid. Prolonged exposure to room light results in some decomposition. It is soluble in chloroform and dichloromethane and insoluble in alcohols, benzene, and diethyl ether. The peroxycarbonato complex may be detected, if present as an impurity, by an infrared band at 780 (m) cm assigned to v(0—O). The infrared spectrum of the carbonato complex shows v(C=0) at 1685 (vs) cm" mp 202-205° (dec.). 

The properties of S7NH are well documented, and complete infrared and Raman spectral assignments have been published. Tetrabutylammonium tetrathio-nitrate is moisture sensitive and is hydrolyzed by acids to give S, S7NH, and Se(NH)2 isomers. It can be stored for long periods of time in a dry oxygen-free atmosphere at room temperature. The salt is very soluble in THF but almost insoluble in diethyl ether. A 10 4/ solution in either THF or HMPA shows a characteristic visible absorption band at 595 nm (e = 19,000). The infrared spectrum (Nujol mull) shows bands at 1243, 1220, 1102, 1021, 922, 885,737, 710, 608 (sh), 594,560, 530 (sh), 510 (sh), 410 cm. ... 

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