|    | 
Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology | 
| You are here: Home > Geometry > Experimental > Same bond/angle many molecules OR Comparisons > Geometry > Bonds, angles > Same bond/angle many molecules | |
| Species | Name | Experimental Angle | Calculated Angle | Difference | 
|---|---|---|---|---|
| C2H6 | Ethane | 110.9 | 111.4 | -0.5 | 
| C2H4 | Ethylene | 121.2 | 121.7 | -0.5 | 
| C2H2 | Acetylene | 180.0 | 180.0 | 0.0 | 
B3LYPultrafine/cc-pVQZ for aHCC
| 10 |   | 
    
  | 
  
  | 
    
  | 
  
  | 
    
  | 
  
  | 
    
  | 
  
  | 
    
  | 
  
  | 
    
  | 
  
  | 
    
  | 
  
  | 
    
  | 
  
  | 
    
  | 
  
  | 
    
  | 
  
  | 
    
  | 
  
  | 
    
  | 
  
  | 
    
  | 
||||||||||||||
| 8 |   | 
    
  | 
  
  | 
    
  | 
  
  | 
    
  | 
  
  | 
    
  | 
  
  | 
    
  | 
  
  | 
    
  | 
  
  | 
    
  | 
  
  | 
    
  | 
  
  | 
    
  | 
  
  | 
    
  | 
  
  | 
    
  | 
  
  | 
    
  | 
  
  | 
    
  | 
||||||||||||||
| 6 |   | 
    
  | 
  
  | 
    
  | 
  
  | 
    
  | 
  
  | 
    
  | 
  
  | 
    
  | 
  
  | 
    
  | 
  
  | 
    
  | 
  
  | 
    
  | 
  
  | 
    
  | 
  
  | 
    
  | 
  
  | 
    
  | 
  
  | 
    
  | 
  
  | 
    
  | 
||||||||||||||
| 4 |   | 
    
  | 
  
  | 
    
  | 
  
  | 
    
  | 
  
  | 
    
  | 
  
  | 
    
  | 
  
  | 
    
  | 
  
  | 
    
  | 
  
  | 
    
  | 
  
  | 
    
  | 
  
  | 
    
  | 
  
  | 
    
  | 
  
  | 
    
  | 
  
  | 
    
  | 
||||||||||||||
| 2 |   | 
    
  | 
  
  | 
    
  | 
  
  | 
    
  | 
  
  | 
    
  | 
  
  | 
    
  | 
  
  | 
    
  | 
  
  | 
    
  | 
  
  | 
    
  | 
  
  | 
    
  | 
  
  | 
    
  | 
  
  | 
    
  | 
  
  | 
    
  | 
  
  | 
    
  | 
||||||||||||||
| 0 |   | 
  
  | 
    
  | 
  
  | 
  
  | 
    
  | 
  
  | 
    
  | 
  
  | 
    
  | 
  
  | 
    
  | 
  
  | 
    
  | 
  
  | 
    
  | 
  
  | 
    
  | 
  
  | 
    
  | 
  
  | 
    
  | 
  
  | 
    
  | 
||||||||||||||||
| -0.55 | -0.5 | -0.45 | -0.4 | -0.35 | -0.3 | -0.25 | -0.2 | -0.15 | -9.99999999999999E-02 | -4.99999999999999E-02 | 1.11022302462516E-16 | 5.00000000000002E-02 | ||||||||||||||||||||||||||||
| Angle difference calc. - exp. (degrees) | ||||||||||||||||||||||||||||||||||||||||
| Species | Name | Difference (degrees) | |
|---|---|---|---|
| Most negative difference | C2H4 | Ethylene | -0.5 | 
| Most positive difference | C2H6 | Ethane | -0.5 |