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Iceane

Iceane is a science 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 Iceane rather than just read about it. In short: Iceane is a saturated polycyclic hydrocarbon with formula C12H18. It has a cage-like molecular structure, whose carbon skeleton can be viewed as three fused cyclohexane rings in the boat conformation; or as two such rings in the chair conformation, connected by three parallel axial bonds.

Iceane — main illustration
Iceane — illustration

Key takeaways

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

Reference excerpt

Iceane is a saturated polycyclic hydrocarbon with formula C12H18. It has a cage-like molecular structure, whose carbon skeleton can be viewed as three fused cyclohexane rings in the boat conformation; or as two such rings in the chair conformation, connected by three parallel axial bonds. The spatial arrangement of carbon atoms in iceane is the lonsdalite crystalline structure. The name "iceane" was proposed by the chemist Louis Fieser about a decade before the compound was first prepared. He was carrying out studies on the arrangement of water molecules in ice, when it occurred to him that there could exist a stable hydrocarbon with the above structure. It is also referred to as wurtzitane, due to its similarity to the wurtzite crystal structure; however, the name "iceane" has precedence.

See also Adamantane Twistane Propellane Hexanitrohexaazaisowurtzitane

References

External links Royal Society of Chemistry Journal Symmetry Through the Eyes of a Chemist, Magdolna Hargittai A Basis for Synthesis Design, Tse-Lok Ho Structures and Energies of Polycyclic Hydrocarbons, Joan E. Shields

Illustrations

Iceane illustration
Iceane illustration
Iceane illustration
Iceane: Iceane, colored by symmetry, Carbon in black and blue, hydrogen in white and cyan
Iceane, colored by symmetry, Carbon in black and blue, hydrogen in white and cyan

Worked examples

Example 1 — a first encounter with Iceane

Start with the simplest possible case. Write down what Iceane claims or describes in one sentence, then invent the smallest concrete situation in which that sentence is true. In science, 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 Iceane 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 Iceane 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 Iceane

In research
Iceane appears in science 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 Iceane 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
Iceane is common in secondary-school and first-year university syllabi. It links to neighbouring topics Polycyclic nonaromatic hydrocarbons, so understanding it makes those chapters shorter.
In everyday life
Look for Iceane 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 Iceane in 20 minutes

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

Frequently asked questions

What is Iceane in simple terms?

Iceane is a saturated polycyclic hydrocarbon with formula C12H18. It has a cage-like molecular structure, whose carbon skeleton can be viewed as three fused cyclohexane rings in the boat conformation; or as two such rings in the chair conformation, connected by three parallel axial bonds.

Why does Iceane matter?

Because it connects several science 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 Iceane?

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 Iceane.

Tags

  • Polycyclic nonaromatic hydrocarbons

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