• Organization: National Institute of Standards and Technology
• Updated: 2020-02-18 00:00:00

These data files contain the data for the measured transition frequencies shown in Table I and the traces in Figure 3 of the publication "Frequency-comb spectroscopy on pure quantum states of a...

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• Organization: National Institute of Standards and Technology
• Updated: 2022-05-22 00:00:00

Data associated with figures in Optics Letters 2022 publication "A dual chirped-pulse electro-optical frequency comb method for simultaneous molecular spectroscopy and dynamics studies: Formic...

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• Organization: Department of the Interior
• Updated: 2023-01-30T00:00:00Z

Here we report ultra-high resolution infrared mapping of organic matter functional group distribution in Tasmanites (algal microfossils) from the Upper Devonian Ohio Shale using optical...

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• Organization: National Institute of Standards and Technology
• Updated: 2004-12-01 00:00:00

This data collection contains 5,228 infrared spectra of different compounds along with chemical structures for most of them. Spectra are provided on a CD-ROM in the JCAMP-DX (Joint Committee for...

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• Organization: National Institute of Standards and Technology
• Updated: 2009-09-01 00:00:00

This database contains critically evaluated transition frequencies for the molecular transitions detected in interstellar and circumstellar clouds reported in the literature through mid-2008. The...

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• Organization: National Institute of Standards and Technology
• Updated: 2021-05-18 00:00:00

Data from peer-reviewed publication: G. Zhao et al., Frequency stabilization of a quantum cascade laser by weak resonant feedback from a Fabry-Perot cavity, Optics Letters. Frequency-stabilized...

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• Organization: Department of the Interior
• Updated: 2025-12-04T00:00:00Z

A series of gold tube pyrolysis experiments (72 hrs, 300–600 °C) conducted on a graptolite-rich lower Paleozoic marine shale generated pyrolysis residues for a comprehensive evaluation of the...

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• Organization: Department of the Interior
• Updated: 2020-10-08T00:00:00Z

The nanoscale molecular composition of kerogen is a challenging parameter to characterize given the chemical and structural complexity exhibited by this important biopolymer. However, kerogen...

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• Organization: Department of Agriculture
• Updated: 2025-08-18

Specific types of sorghum germplasm contain genes that result in lower than normal levels of amylose, a specific type of starch found in the grain. These types of sorghum are referred to as...

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• Organization: Department of the Interior
• Updated: 2023-01-24T00:00:00Z

This study presents Raman spectroscopic data paired with scanning electron microscopy (SEM) to assess solid bitumen composition and porosity development as a function of solid bitumen texture and...

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• Organization: Department of the Interior
• Updated: 2021-09-29T00:00:00Z

The molecular composition of petroliferous organic matter and its composition evolution throughout thermal advance are key to understanding and insight into petroleum generation. This information...

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• Organization: National Institute of Standards and Technology
• Updated: 2012-10-10 00:00:00

NIST X-ray Photoelectron Spectroscopy Database XPS contains over 33,000 data records that can be used for the identification of unknown lines, retrieval of data for selected elements (binding...

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• Organization: Department of the Interior
• Updated: 2020-08-19T00:00:00Z

Solid bitumen is a petrographically-defined secondary organic matter residue produced during petroleum generation and subsequent oil transformation. The presence of solid bitumen impacts many...

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• Organization: Department of Energy
• Updated: 2025-08-13T20:14:44.919Z

On-line infrared absorbance spectroscopy enables rapid measurement of solution-phase molecular species. Many spectra-to-concentration models exist for spectral data, with some models able to...

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• Organization: National Institute of Standards and Technology
• Updated: 2019-09-09 00:00:00

Traditionally, soft body armor has been made from materials such as poly(p-phenylene terephthalamide) (PPTA) and ultra-high molar mass polyethylene (UHMMPE). However, to diversify the fiber...

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• Organization: Department of the Interior
• Updated: 2020-08-19T00:00:00Z

Fractionation of petroleum during migration through sedimentary rock matrices has been observed across lengths of meters to kilometers. Selective adsorption of specific chemical moieties at...

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• Organization: Department of the Interior
• Updated: 2023-04-10T00:00:00Z

To refine the use of graptolite and solid bitumen properties as thermal proxies at overmature conditions, we evaluated their evolution via Raman and infrared spectroscopies, reflectance, and...

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• Organization: National Institute of Standards and Technology
• Updated: 2022-09-19 00:00:00

Polarized Resonant Soft X-ray scattering (P-RSoXS) has emerged as a powerful synchrotron-based tool to measure structure in complex, chemically heterogeneous systems. P-RSoXS combines principles...

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• Organization: National Institute of Standards and Technology
• Updated: 2013-01-01 00:00:00

This resource consists of methods for matrix-assisted laser desorption ionization (MALDI) mass spectrometry on a wide variety of synthetic polymers. The methods are taken from the peer-review...

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• Organization: Department of the Interior
• Updated: 2023-06-07T00:00:00Z

This U.S. Geological Survey (USGS) Data Release is focused on the geochemistry of wastewater (including flowback and produced water) samples, co-produced with natural gas, collected from the...

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