chemistry

Scandium(III) trifluoromethanesulfonate

Scandium(III) trifluoromethanesulfonate is a chemistry topic covered in the lgStudy science library. This page brings together a partial reference excerpt, illustrations, worked examples, real-world applications and a short study plan, so you can understand Scandium(III) trifluoromethanesulfonate rather than just read about it. In short: Scandium trifluoromethanesulfonate, commonly called scandium triflate, is the inorganic compound with formula Sc(H2O)8(OTf)3 where OTf is the anion CF3SO3-. It is a salt consisting of scandium aquo complex.

Key takeaways

Scandium(III) trifluoromethanesulfonate belongs to chemistry; place it in that map before memorising details.
Learn the definition first, then one example that makes the definition concrete.
Connect Scandium(III) trifluoromethanesulfonate to a quantity you can measure, compute or draw — that is where exam questions come from.
Reproduce the core statement of Scandium(III) trifluoromethanesulfonate from memory before moving on to harder problems.

Reference excerpt

Scandium trifluoromethanesulfonate, commonly called scandium triflate, is the inorganic compound with formula Sc(H2O)8(OTf)3 where OTf is the anion CF3SO3-. It is a salt consisting of scandium aquo complex. The structure of the anhydrous derivative is less certain. Like almost all scandium compounds, this salt is colorless.

Syntheses and structure The compound is prepared by reaction of scandium oxide with trifluoromethanesulfonic acid. Concentration of these solution gives crystals of the octahydrate salt. According to X-ray crystallography, the octahydrate features a square antiprismatic cation. The hydrated salt can be dehydrated to give anhydrous derivative.

Use in organic synthesis Scandium triflate is used as a reagent in organic chemistry as a Lewis acid. Compared to other Lewis acids, this reagent is stable towards water and has been used to catalyze organic reactions. An example of the scientific use of scandium triflate is the Mukaiyama aldol addition reaction between benzaldehyde and the silyl enol ether of cyclohexanone with an 81% yield.

See also Lanthanide trifluoromethanesulfonates

References

Illustrations

Worked examples

Example 1 — a first encounter with Scandium(III) trifluoromethanesulfonate

Start with the simplest possible case. Write down what Scandium(III) trifluoromethanesulfonate claims or describes in one sentence, then invent the smallest concrete situation in which that sentence is true. In chemistry, the smallest case is usually a single object, a single equation or a single measurement. Check that every symbol or term in your sentence has a meaning in that case.

Example 2 — changing one variable

Take the situation from Example 1 and change exactly one quantity: double it, halve it, or set it to zero. Predict what should happen to Scandium(III) trifluoromethanesulfonate before you calculate. Comparing your prediction with the result is the fastest way to find out whether you understand the idea or only the words.

Example 3 — an exam-style question

Typical questions about Scandium(III) trifluoromethanesulfonate ask you to (a) state it precisely, (b) apply it to given data, and (c) explain a limitation. Practise writing all three answers in under five minutes; the third part is what separates a full-mark answer from an average one.

Applications of Scandium(III) trifluoromethanesulfonate

In research: Scandium(III) trifluoromethanesulfonate appears in chemistry research whenever the underlying quantities have to be modelled precisely. Papers usually cite it as a starting assumption and then explore where it breaks down.
In technology and industry: Engineering practice reuses Scandium(III) trifluoromethanesulfonate in design rules, simulations and safety margins. Knowing the idea lets you read a specification sheet and understand why the numbers look the way they do.
In the classroom: Scandium(III) trifluoromethanesulfonate is common in secondary-school and first-year university syllabi. It links to neighbouring topics Acid catalysts, Scandium compounds, Triflates, so understanding it makes those chapters shorter.
In everyday life: Look for Scandium(III) trifluoromethanesulfonate outside the textbook — in sport, cooking, traffic, electronics or the sky above you. An example you found yourself is remembered far longer than one you were given.

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How to study Scandium(III) trifluoromethanesulfonate in 20 minutes

Read the reference excerpt below once, without taking notes.
Close the page and write down what Scandium(III) trifluoromethanesulfonate means in your own words.
Compare your version with the excerpt and mark what you missed.
Work through the three examples above with pen and paper.
Explain Scandium(III) trifluoromethanesulfonate out loud to somebody else — or to Teacher Smith in the lgStudy chat.

Frequently asked questions

What is Scandium(III) trifluoromethanesulfonate in simple terms?

Why does Scandium(III) trifluoromethanesulfonate matter?

Because it connects several chemistry ideas at once: it gives you a definition you can apply, a quantity you can calculate, and a way to check whether a result is plausible.

How should I study Scandium(III) trifluoromethanesulfonate?

Read the excerpt, restate it from memory, then work through the examples and applications listed on this page. The five-step study plan above takes about twenty minutes.

What does this page cover?

It gives you a compact reference excerpt plus original lgStudy explanations, examples, applications and study material on Scandium(III) trifluoromethanesulfonate.