Posts in 2021


Friday, March 12, 2021 in News

We are nearing our first full release of the new version of Olex2: the 1.5! This version sees a change from Python 2.7 to Python 3.8 – plus there is a large number of small improvements and bug fixes. The old Olex2-1.3 line will no longer be …

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Calendar 2021

Thursday, January 14, 2021 in News

If you would like an electronic copy of our 2021 OlexSys Calendar, please drop us a line at or use our contact form in the About Section section of this website. Let us know if you would like to receive a hard-copy version of …

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Posts in 2020


Sunday, December 06, 2020 in News

Florian Kleemiss will give a keynote lecture at the BCA 2021 Florian Kleemiss has been invited to give a keynote lecture on NoSPherA2 at the BCA 2021 (online). He will speak in the CCG session “Advances in Software for Crystallography” …

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NoSpherA2 Paper

Monday, November 09, 2020 in News

Our paper about refinement using non-spherical form factors has just been published in the RSC’s flagship journal Chemical Science – take a look here: …

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New Website

Thursday, October 22, 2020 in News

If you are seeing this, then you have found our new website! We are currently trialling this site – plese give us some feedback! In generating this site, the focus was on maintainability – and hence this entire site is build from a …

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Thursday, October 22, 2020 in News

The days are getting shorter, and the leaves are turning very colourful at this time of the year in Durham. Autumn colours at the riverbanks in Durham We are busy developing this new website, a new Support System for Olex2 and are also making the …

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One Year of Olex2 1.3

Tuesday, September 08, 2020 in News

About a year ago, we relased v. 1.3 of Olex2. By now, this is the version that everyone can safely use. So: if your splash screen doesn’t look like this, then it’s time to update your version of Olex2 to this latest version. CRYST By …

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Thursday, June 18, 2020 in Releases

In the next version of Olex2 there will be the following changes (among others): Fractional entry for Z' The Z' input boxes will now take either an integer, a decimal value or a fraction. Instead of writing 0.125, you can now write 1/8, for example

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