Accession Number:

ADA591110

Title:

Measurement of the Absolute Raman Cross Sections of Diethyl Phthalate, Dimethyl Phthalate, Ethyl Cinnamate, Propylene Carbonate, Tripropyl Phosphate, 1,3-Cyclohexanedione, 3'-Aminoacetophenone, 3'-Hydroxyacetophenone, Diethyl Acetamidomalonate, Isovanillin, Lactide, Meldrum's Acid, p-Tolyl Sulfoxide, and Vanillin

Descriptive Note:

Technical rept.

Corporate Author:

MASSACHUSETTS INST OF TECH LEXINGTON LINCOLN LAB

Report Date:

2013-09-13

Pagination or Media Count:

26.0

Abstract:

We have measured the Raman spectra of several chemicals for 785-nm excitation using a Raman spectrometer with focal length of 500 mm, f-number of 6.5, and resolution of 2.0 or - 0.1cm. Values of 1.92 or - 0.12 x 10exp -29, 2.50 or - 0.15 x 10exp -29, 3.10 or - 0.19 x 10exp -28, 1.17 or - 0.07 x 10exp -29, and 1.53 or - 0.09 x 10exp -29 sq cm have been determined for the Raman cross section sigma R of neat Diethyl phthalate DEP, dimethyl phthalate DMP, ethyl cinnamate EC, propylene carbonate PC, and tripropylene phosphate TPP for the Raman modes at 1041, 1040, 1638, 849, and 726cm, respectively. The values of the linewidth FWHM Gamma for these modes have been determined to be 6.6 or - 0.1, 7.0 or - 0.1, 11.3 or - 0.2, 15.8 or - 0.2, and 29.0 or - 0.3cm, respectively. Values of 1.47 or - 0.12 x 10exp -28, 1.67 or - 0.13 x 10exp -29, 5.15 or - 0.40 x 10exp -29, 3.25 or - 0.26 x 10exp -29, 1.57 or - 0.13 x 10exp -28, 2.07 or - 0.17 x 10exp -29, 1.00 or - 0.08 x 10exp -29, 3.73 or - 0.30 x 10exp -29, and 1.42 or - 0.11 x 10exp -29 sq cm have been determined for sigma R for the powders of 1,3-cyclohexanedione CHD, 3 -aminoacetophenone AAP, 3 -hydroxyacetophenone HOAP, diethyl acetamidomalonate DEAM, isovanillin ISOV, lactide DODO, Meldrum s acid MA, p-tolyl sulfoxide PTSO, and vanillin VAN for the Raman modes at 1174, 714, 1663, 2943, 1671, 657, 641, 796, and 814cm, respectively. The values of for these modes have been determined to be 8.4 or - 0.2, 4.4 or - 0.1, 4.5 or - 0.1, 10.6 or - 0.2, 4.5 or - 0.1, 2.7 or - 0.1, 6.8 or - 0.2, 5.7 or - 0.2, and 5.2 or - 0.1cm, respectively.

Subject Categories:

  • Organic Chemistry

Distribution Statement:

APPROVED FOR PUBLIC RELEASE