Why are low spin tetrahedral complexes not formed?

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(N/A) In tetrahedral complexes,the crystal field splitting energy,denoted as $\Delta_t$,is significantly smaller than the pairing energy,denoted as $P$.
Since $\Delta_t < P$,the electrons prefer to occupy higher energy orbitals rather than pairing up in the lower energy orbitals.
Therefore,low spin configurations are rarely observed in tetrahedral complexes.

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