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Results tagged with solid-state-chemistry
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user 61578
Study of chemical species that are in solid phase, either in cases of their properties, or about ways of synthesizing them.
1
vote
Does thorium(IV) oxide has a "fluorite" like structure?
here you can find the crystallographic date for $\ce{ThO2}$, which claimed to have fluoride type structure. The following reference provides supporting thermal expansion data for binary oxides with th …
- 42.1k
4
votes
Formation of strontium peroxide
There are a few method to synthesize $\ce{SrO2}$ from $\ce{SrO}$ and $\ce{O2}$. One of them uses $\ce{KClO3}$ as the source of $\ce{O2}$ [Ref. 1]. The paper is in German but has English abstract which …
- 42.1k
3
votes
Accepted
Chemical formula of fluoroapatite
All comments on the subject in this page (vide supra) explain why those two formulas are identical. Since you insist that you need an explanation for them being identical, I'll try my best (I'm not an …
- 42.1k
4
votes
Why rutile structure have primitive unit cell instead of body centered?
You said you read that $\ce{MgH2}$ has a structure of rutile. Actually it is $\alpha$-$\ce{MgH2}$, which forms at room temperature and atmospheric pressure and have rutile type structure. The crystal …
- 42.1k
6
votes
Accepted
Why doesn't tantalum and tungsten form amalgam?
Does tantalum or tungsten really form amalgam(s) (with mercury)?
By X-ray analysis, G. Jangg and E. Lugscheider in 1973 found that tantalum $(\ce{_{73}Ta})$ or tungsten $(\ce{_{74}W})$ does not form …
- 42.1k
3
votes
Accepted
How to identify if a material is perovskite or not?
As MaxW indicated in the comment, perovskites are a huge family of natural and synthetic compounds. Following is a breif description of the group of compounds named perovskites:
The original Perovski …
- 42.1k
1
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Why is the disordered CuAu structure more stable at high temperatures?
I'm not a metallurgist or even not a good physical chemist. However, I'd like to explain what's happening in $\ce{AuCu}$ alloy with temperature and any expert can intervene.
According to Ref.1, $\ce{C …
- 42.1k
1
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In solid-phase peptide synthesis, why are the formation of aspartimides a problem but not "g...
Since you understand how aspartimides (succinimides) form and why are they a problem in solid-phase peptide synthesis (SPPS), I'm not going to elaborate it further. Your main question is why don't glu …
- 42.1k
3
votes
Accepted
Radius ratio of octahedral interstitial site in BCC lithium
Actualluy it was a mistake. The impurities usually fall into the larger interstitial sites of crystal structures. According to this problem solving chapter, the interstitial sites in FCC and BCC cryst …
- 42.1k