The Tesla for lease or for sale you see at your local car dealership, find great deals on Tesla Leases and Lease Specials on the following Tesla models like Lease a 2015 Tesla Model S $838.00 mo, 2016 Tesla Model X $1,216.12 mo. Search now for Tesla LEASES for sale.
This cannot rigorously be described as sigma-pi conjugation since sigma and pi here refer to different defining planes, and interaction between orbitals of different symmetries (with respect to the same defining plane) is forbidden.
Definition of pi. plural. pis. play \ËpÄ«z\. 1 : the 16th letter of the Greek alphabet â see alphabet table. 2a : the symbol Ï denoting the ratio of the circumference of a circle to its diameterb : the ratio itself : a transcendental number having a value rounded to eight decimal places of 3.14159265.