CCL: pKa calculation problem using computational methods



 Sent to CCL by: "nand kishor gour" [gour_nand . rediffmail.com]
 I am caculating pKa calculation using computaional methods but i have some
 problem to learn this model for any molecule/molecular ion
 S1 CPCM/HF/6-31G(d)//HF/6-31G(d) using CBS QB3. HOw we run job for this link