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?

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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 …

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 …

Jun 3, 2020 · In the class, I was told that $\\ce{H3C^.}$ has a trigonal planar structure with the unpaired electron in $\\mathrm{2p_z}$ orbital. But $\\ce{H3C -}$ has a trigonal pyramidal …

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 …

Aug 11, 2024 · The ground state of cycloheptatrienyl anion in the gas phase is triplet, planar and Baird-aromatic. In DMSO, it assumes a singlet distorted allylic form with a paratropic ring current.

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 …

Oct 26, 2018 · "The urea molecule is planar in the crystal structure, but the geometry around the nitrogens is pyramidal in the gas-phase minimum-energy structure." What causes this change …

Jul 10, 2017 · A planar shape evidently is antiaromatic, so cyclooctatetraene either bends into a chair or tub shape. The closest two carbons that are not bonded directly to each other have a …