PDielec: The calculation of infrared and terahertz absorption for powdered crystals
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The Python package PDielec is described, which calculates the infrared absorption characteristics of a crystalline material supported in a non‐absorbing medium. PDielec post processes solid‐state quantum mechanical and molecular mechanical calculations of the phonons and dielectric response of the crystalline material. Using an effective medium method, the package calculates the internal electric field arising from different particle morphologies and calculates the resulting shift in absorption frequency and intensity arising from the coupling between a phonon and the internal field. The theory of the approach is described, followed by a description of the implementation within PDielec. Finally, a section providing several examples of its application is given. © 2016 The Authors. Journal of Computational Chemistry Published by Wiley Periodicals, Inc.
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The absorption spectra of powdered crystals can be computed from density functional theory using the PDielec Python package.
“For instance, the absorption spectra of powdered crystals can be computed from density functional theory using the PDielec Python package [69, 70].”
From Tutorial: Accurate Determination of Refractive Index and Absorption Coefficient in Terahertz Time-Domain Spectroscopy (2025) · cites this paper as [69]
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- [47]J Kendrick, A. D. Burnett, Dataset associated with PDielec: The Calculation of Infrared and Terahertz Absorption for Powdered Crystals; University of Leeds, Leeds UK; 2015. http://doi.org/10.5518/21 PMC5074290 27074733 · DOI
- Authors
- Kendrick, J., & Burnett, A. D.
- Affiliations
- University of Bradford (GB)
- University of Leeds (GB)
- Corresponding author
- Burnett, Andrew D.
- Venue
- Journal of Computational Chemistry
- Publisher
- Wiley
- Published
- 2016-04-13
- Volume
- 37
- Issue
- 16
- Pages
- 1491-1504
- ISSN
- 0192-8651 (ISSN-L)
- 1096-987X
- PMC
- PMC5074290
- OpenAlex
- W2338082312
- Cited by
- 45
- References
- 42
- Citations by year
- 2026: 1 · 2025: 8 · 2024: 7 · 2023: 4 · 2022: 4 · 2021: 6 · 2020: 3 · 2019: 3 · 2018: 3 · 2017: 4 · 2016: 2
- FWCI
- 1.85
- Type
- journal article
- Language
- en
- Open access
- hybrid
- doi.org
- Licence
- Locations
- Journal of Computational Chemistry (publishedVersion, cc-by)
- PubMed Central (publishedVersion, cc-by)
- PubMed (publishedVersion)
- White Rose Research Online (University of Leeds, The University of Sheffield, University of York) (acceptedVersion)
- Funders
- Engineering and Physical Sciences Research Council (EP/I026657/1)
- Topics
- Physical Sciences › Engineering › Electrical and Electronic Engineering › Terahertz technology and applications
- Physical Sciences › Physics and Astronomy › Atomic and Molecular Physics, and Optics › Advanced Chemical Physics Studies
- Physical Sciences › Physics and Astronomy › Atomic and Molecular Physics, and Optics › Spectroscopy and Quantum Chemical Studies
- Keywords
- infrared absorption, terahertz absorption, effective medium method, built-in electric field, dielectric response, particle morphology, absorption intensity
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