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  1. How can I tell whether or not a molecule is planar?

    So a general simple rule is that: the molecule will not be planar if there is an $\ce {sp^3}$ hybridized carbon (or nitrogen) atom or two $\ce {sp^2}$ hybridized atoms of carbon/nitrogen …

  2. inorganic chemistry - How to use crystal field theory to predict ...

    How can one predict whether a given complex ion will be square planar or tetrahedral when its coordination number is 4 using crystal field theory? Is it possible to theoretically predict this?

  3. How to identify whether a molecule is planar [closed]

    Aug 27, 2020 · The concept of a plane of symmetry is easier to understand with molecules which are planar by itself. Benzene, for example, has such a plane which may accommodate …

  4. organic chemistry - How to determine what compounds are planar ...

    Feb 3, 2025 · If I'm not wrong, sp and sp2 hybridized carbon atoms are always planar, however none of the compounds given in the question seem to have a planar configuration as every …

  5. organic chemistry - Can we always use the planar representation …

    Nov 8, 2022 · In this case, both the planar representation and the conformational analysis lead to the same conclusion about the chirality of cis -1,2-dimethylcyclohexane (though for different …

  6. Difference between radial, planar, angular and spherical nodes

    Jun 20, 2015 · What is the difference between them? I think radial nodes and spherical nodes are the same, and angular and planar nodes are the same. Reference Finally, how many spherical …

  7. How is aniline considered a conjugated system?

    Apr 1, 2025 · For conjugation there must be unhybridized, parallel and adjacent 2p orbitals. But in case of aniline, the hybridization of nitrogen is sp3, which makes it an non-planar system. Yet …

  8. Aromaticity of [14]annulene - Chemistry Stack Exchange

    Feb 17, 2023 · The reason he gave is due to repulsions between hydrogens, the structure is no longer planar But later he told us that [14]annulene is aromatic. But isn't there a repulsion …

  9. Why is biphenyl not planar? - Chemistry Stack Exchange

    Jun 9, 2020 · I've seen in a lot of books that biphenyl is not planar. I don't know why that is because both the carbon are $\\mathrm{sp^2}$ hybridized so it should be planar. Can …

  10. Confusion regarding the Shape of XeF4 - Chemistry Stack Exchange

    Jan 26, 2019 · The shape of $\ce {XeF4}$ is indeed square planar as you mentioned it is so because: The lone pairs are kept in anti position to minimise repulsion between them and also …