CHEM101 Lecture Notes - Lecture 18: Pi Bond, Lewis Structure, Acetylene

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CHEM101 Full Course Notes
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CHEM101 Full Course Notes
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Hybridizaion cont: two e- in a hybridized orbital result in a lone pair, an atom in a molecule with ive electron groups is sp3d hybridized. Mixing s, pz, py, px, d orbitals. Results in ive 3 sp3d orbitals and four un-hybridized orbitals. Trigonal bipyramid gets the orbitals as far away from each other as possible: an atom in a molecule with six electron groups is sp3d2 hybridized. Mixing s, p, p, p, d, d orbitals. Results in six sp3d2 orbitals and three un-hybridized orbitals: you can"t mix orbitals with diferent n quantum numbers. Electron density is right between a and b. Sigma bond plane is the bond between the two inner atoms of the molecule (in ethane, the 2 c"s: pi bond. Single bond + sharing of two or four electrons in an addiional orbital. Sharing electrons in an orbital that is above or below the sigma bond line.

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