Chapter 2, Problem 2.40E

Interpretation Introduction

Interpretation:

Diagrams that show the manner one combination of $s$ and $p$ orbitals may yield a $\sigma$ bond while other may not have to be drawn.

Concept Introduction:

Bonds formed due to head-to-head overlap are termed $\sigma$ bonds. bonds. The electron density lies along the same internuclear axis.

Bonds formed due to sideways or lateral overlap are named $\text{π}$-bonds. They may be formed by various combinations that must occur laterally such $p_{\text{y}}$ and $p_{\text{y}}$ , $p_{\text{x}}$ and $p_{\text{x}}$ or $d_{\text{yz}}$ and $d_{\text{xz}}$ or $d_{\text{xz}}$ and $d_{\text{yz}}$. The $\text{π}$-electron density lies above and below the internuclear axis in these bonds.