傅里叶变换红外光谱仪FTIR、拉曼光谱检索 (FTIRsearch.com)
FTIRsearch.com is a unique web site dedicated to providing analytical chemists with on-line access to high quality FTIR and Raman spectral libraries. The database has over 87,000 FTIR and Raman spectra.

SweeT-DB (糖类化合物数据库)(免费)
【数据内容】
Sweet-DB includes:
about 50,000 carbank entries
more than 22,000 carbohydrate structures
15,000 publications about 1,000 pubilcations collected via Auto-Sweet-DB
about 10,000 spatial representations generated with sweet.

science-softCon UV/Vis Spectra Data Base (紫外/可见光谱图)(部分免费)
The science-softCon UV/Vis Spectra Data Base service was established in August 2000 and is subdivided into a Literature Service and a Spectra Service (see spectra-info).
The free-of-charge Literature Services provides spectra data sheets with information concerning publications of UV/Vis spectra.

Sadtler红外谱图数据库检索(世界上最大的红外谱图库)(部分免费)

To help you determine which database is best for you, Bio-Rad also offers an Online Search Utility for IR databases.
There are 363,364 entries in 84 database categories.

Sadtler(萨特勒)红外光谱数据库联网检索
北京微量化学研究所分析中心推出Sadtler(萨特勒)红外光谱数据库联网检索有偿服务项目。