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# EMSL Arrows - Evolution of Chemical and Materials Computation | ||
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## Overview | ||
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We would like thank the DOD SERDP program and the DOE OS OBER EMSL | ||
project for providing support that helped with the initial development | ||
of EMSL Arrows. | ||
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<span style="background: #82BA57; border: solid 1px #a9a9a9; padding: 8px"> | ||
[*' EMSL Arrows API*'](https://arrows.emsl.pnnl.gov/api) </span> | ||
[* EMSL Arrows API*](https://arrows.emsl.pnnl.gov/api) </span> | ||
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<p><iframe width="560" height="315" src="//www.youtube.com/embed/6cIwx63qiQM" frameborder="0" allowfullscreen></iframe> | ||
</p | ||
><p><a href="https://youtu.be/UFZg-_nQZPM" class="external text" rel="nofollow">Tutorial on YouTube</a> | ||
<p><iframe width="560" height="315" src="//www.youtube.com/embed/6cIwx63qiQM" frameborder="0" allowfullscreen></iframe></p> | ||
<p><a href="https://youtu.be/UFZg-_nQZPM" class="external text" rel="nofollow">Tutorial on YouTube</a> | ||
<a href="https://youtu.be/6cIwx63qiQM" class="external text" rel="nofollow">(mobile devices)</a> | ||
</p> | ||
<p>> | ||
<p> | ||
<a href="mailto:[email protected]?Subject=Another%20Wile(y)%20EMSL%20Arrows%20Calculation&body=Just%20send%20this%20email%20to%[email protected]%20and%20arrows%20will%20send%20an%20email%20back%20with%20the%20results.%0A%0AHydrolyzing%20Wile%20E%20Coyote's%20favorite%20molecule%20to%20a%20Meisenheimer%20complex%0A%0AArrows::%20reaction:%20cid=8376%20+%20hydroxide%20--%3E%20TNT-1-OH-%20:reaction%20::Arrows" class="external text" rel="nofollow">Click here to try out Arrows by sending it an email</a> | ||
</p> | ||
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Are you just learning NWChem and would like to have an easy way to | ||
generate input decks, check your output decks against a large database | ||
of calculations, perform simple thermochemistry calculations, calculate | ||
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For more information contact [Eric Bylaska ([email protected])](mailto:[email protected]?Subject=EMSL%20Arrows%20Question) | ||
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<span style="background: #82BA57; border: solid 1px #a9a9a9; padding: 8px"> | ||
[*' EMSL Arrows API*'](https://arrows.emsl.pnnl.gov/api) </span> | ||
[* EMSL Arrows API*](https://arrows.emsl.pnnl.gov/api) </span> | ||
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The difficulty of simulating the thermodynamic and kinetic properties of | ||
new materials is convoluted by the sensitivity of the processes at the | ||
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The results returned by EMSL Arrows are a combination of text and | ||
graphical output. | ||
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<p><a href="Arrowsoutputimage001.png" class="image"><img alt="Arrowsoutputimage001.png" src="Arrowsoutputimage001.png" width="488" height="218" /></a> | ||
</p><p> | ||
![](Arrowsoutputimage001.png) | ||
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Currently EMSL Arrows is designed to calculate the following for all | ||
NWChem theories: | ||
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- Reaction thermodynamics for molecular systems | ||
- Reaction paths for molecular systems | ||
- UV-vis, IR, Raman spectra for molecular systems, phonon spectra for | ||
- UV-vis, IR, Raman spectra for molecular systems, phonon spectra for | ||
materials systems | ||
- NMR spectra for molecular and materials systems | ||
- EXAFS spectra for molecular and materials systems | ||
- Energetics, structures, and band structures of crystals using the | ||
Crystal Open Database (COD ) numbers | ||
Crystal Open Database (COD ) numbers | ||
- A variety of datafiles can be returned including XYZ files, CIF | ||
files, NWChem output files | ||
files, NWChem output files | ||
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We envision that as Arrows evolves it will be part of future closed | ||
cycles of chemical and materials discovery that requires integrated | ||
computational and experimental tools combined with materials synthesis. | ||
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### Try out EMSL Arrows by sending the following simple emails to [email protected] | ||
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<p>Returns b3lyp/6-311++G(2d,2p) results for the cinnamon flavored molecule. <a href="mailto:[email protected]?Subject=Big%20Red%20Calculation&body=Just%20send%20this%20email%20to%[email protected]%20and%20arrows%20will%20send%20an%20email%20back%20with%20the%20results.%0A%0AArrows::%20%0A%0Amolecule:%20Cinnamaldehyde%20:molecule%20%0A%0A::Arrows" class="external text" rel="nofollow">Click here to run this example.</a> | ||
</p> | ||
computational and experimental tools combined with materials synthesis. | ||
## Try out EMSL Arrows by sending the following simple emails to [email protected] | ||
Returns b3lyp/6-311++G(2d,2p) results for the cinnamon flavored molecule. <a href="mailto:[email protected]?Subject=Big%20Red%20Calculation&body=Just%20send%20this%20email%20to%[email protected]%20and%20arrows%20will%20send%20an%20email%20back%20with%20the%20results.%0A%0AArrows::%20%0A%0Amolecule:%20Cinnamaldehyde%20:molecule%20%0A%0A::Arrows" class="external text" rel="nofollow">Click here to run this example.</a> | ||
``` | ||
---------------- mailto: [email protected] ----------------------- | ||
Arrows:: | ||
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::Arrows | ||
``` | ||
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## Try out the following web API links (Now Available for Alpha Testing) | ||
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[EMSL Arrows API v1.0](http://arrows.emsl.pnnl.gov/api/) | ||
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## Introduction to ESMILES - How to Change Calculation Theories | ||
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The combined string, "Molecule\_Input keyword1{option1} | ||
keyword2{option2} keywordN{optionN}", is called an "extended smiles" or | ||
"esmiles" for short. The Molecule\_Input can be specified using a | ||
The combined string, `Molecule_Input keyword1{option1} | ||
keyword2{option2} keywordN{optionN}`, is called an `extended smiles` or | ||
`esmiles` for short. The `Molecule_Input` can be specified using a | ||
variety of formats including a SMILES string, common names, iupac, kegg | ||
numbers, cas, pubchem ids, chemspider ids, and InChI strings. The | ||
keyword{option} tags are used to enter different calculation types for a | ||
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the esmiles options string.This is preferred way to use the map | ||
function. However, an alternative format for entering the map function | ||
has also been added to the reaction: :reaction block. The format of the | ||
block is reaction\[esmiles options\]: reaction :reaction. | ||
block is `reaction[esmiles options]: reaction :reaction`. | ||
``` | ||
Arrows:: | ||
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