Difference between revisions of "WebMO Basis set 1"

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| Basis Set ||C-H bond length
 
| Basis Set ||C-H bond length
 
|-
 
|-
|STO-3G ||       
+
|Minimum: STO-3G ||       
 
|-
 
|-
|3-21G ||     
+
|Basic: 3-21G ||     
 
|-
 
|-
|6-31G(d) ||     
+
|Routine: 6-31G(d) ||     
 
|-
 
|-
|6=311+G(2d,p)||
+
|Accurate: 6=311+G(2d,p)||
 +
|}
 +
 
 +
{| border=1
 +
|+ Methane Routine: 6-31G Basis Set
 +
|-
 +
|Theory ||C-H bond length
 +
|-
 +
|HF ||     
 +
|-
 +
|Moller-Plesset 2 ||   
 +
|-
 +
|B3LYP ||   
 
|}
 
|}

Revision as of 14:16, 16 April 2020

(4/16/20, bes)

Exercise 4: Exploring the Effect of Theory and Basis Sets

Using WebMO/Gaussian please complete the following table:

Methane HF Level of theory
Basis Set C-H bond length
Minimum: STO-3G
Basic: 3-21G
Routine: 6-31G(d)
Accurate: 6=311+G(2d,p)
Methane Routine: 6-31G Basis Set
Theory C-H bond length
HF
Moller-Plesset 2
B3LYP