Frederik Haase
Framework Materials Chemist (MOF, COF and other organic frameworks). Juniorprofessor at University of Halle, Germany
Posting about science.
orcid.org/0000-0003-1156-033X
chemie.uni-halle.de/ak_haase/
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- "scientists were so preoccupied with whether they could, they didn't stop to think if they should"
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- I am not even sure I want to know what it is.
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- The worst part about ML is dealing with real world data.
- Fancy cyclopropenium-based molecules, solid state conductivity, liquid crystals and not so regular crystals. This paper has it all.
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- When a single word is more than just that.
- I am trying to find the perfect meme for gas adsorption, but cannot decide which is the one 1/2

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- My new morning ritual is updating my fraudulent conference/journal email spam blacklist. If I blacklist mdpi dot com what could they possibly hope to achieve by trying to circumvent that with other domains.
- This is by far the most beautiful organic cage I have ever seen: www.nature.com/articles/s41...
- As a supervisor, I have to say that nothing is more useless that the sentence: "The reaction did not work." #chemchat
- Today I am talking in my reticular materials class about the stability of MOFs, where I show this great figure of stability in phosphate buffer. It is always important to specify that stable means in what context! From this great paper: pubs.acs.org/doi/10.1021/...
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- This does seem very 1950s.
- Looking into reliable and longterm spectroscopic data storage I realized the ubiquity of the JCAMP-DX files. But why are they so complicated. Why not a good old X-Y file? I can imagine an digital archeologist finding these in 100 years and rolling their eyes.
- The AI hype in science put into numbers: www.nature.com/articles/d41...
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- Reposted by Frederik HaaseBonus panel here: www.smbc-comics.com/comic/stats-3 #smbc
- Reposted by Frederik Haase#chemchat #chemsky I need your recommendation for a very high boiling point solvent that can be used at 300C. Ph2O is not high enough (it goes to around 250C). Cannot be protic, cannot have amines. It doesn't need to be a liquid at room temp. Ideas? Cc @adrianlorenzana.ca
- I literally cannot understand how it is possible to generate data like this. Even if the data is manipulated/fake how would you ever get these odd curves. In some sense the curve looks hand draw, but even then it would be strange to have that shape.
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- Reposted by Frederik HaaseFrom mid-November on, before you send an email ask yourself if this is really a 2025 problem
- Organic Chemists: If you can buy it, you can also make it. My opinion: If you can buy it, don't make it. Your salary, time spent on optimization & synthesis and the unseen cost of solvents, consumables and equipment justify buying even expensive chemicals in most cases.
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- Why does everything have to be a puzzle and a mystery. Why can't nature from time tell me what is going on.
- Better to have knowledge about the chemistry of spices than the spiciness of chemicals.
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- Reposted by Frederik HaaseMy new Emmy Noether Group is recruiting! 🔬 Two PhD positions in plant pathogen evolution 🧬 Start: April 2026 (flexible) 📍 Dept. of Phytopathology & Plant Protection @rstam.bsky.social @uni-kiel.de ⏰ Apply by 15 Dec 2025 🔗 More info: www.uni-kiel.de/personal/de/... Do get in touch or share 😊
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- One giant leap for us, one small step for digitization.
- If you ever decide you want to make a COF for the first time, this one should be your first try. It is somewhat known in the community, but you will not really learn this from the literature this COF system is one of the most robust, in terms of synthesis and activation conditions.
- Uhm...Hello...Yes...Yes, I am done...can you send the eagles now...alright...see you in a bit then...bye.