return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

All results from a given calculation for CH2CHOH (ethenol)

using model chemistry: B3LYPultrafine/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B3LYPultrafine/6-31+G**
 hartrees
Energy at 0K-153.827530
Energy at 298.15K-153.831653
Nuclear repulsion energy70.058070
The energy at 298.15K was derived from the energy at 0K and an integrated heat capacity that used the calculated vibrational frequencies.
Vibrational Frequencies calculated at B3LYPultrafine/6-31+G**
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A' 3802 3660 35.13      
2 A' 3261 3139 8.68      
3 A' 3213 3093 4.94      
4 A' 3160 3042 5.95      
5 A' 1703 1640 184.97      
6 A' 1450 1396 16.65      
7 A' 1351 1300 11.75      
8 A' 1313 1264 0.56      
9 A' 1119 1078 203.19      
10 A' 958 923 12.01      
11 A' 490 472 13.20      
12 A" 991 954 39.16      
13 A" 829 798 82.32      
14 A" 707 680 1.42      
15 A" 452 435 111.49      

Unscaled Zero Point Vibrational Energy (zpe) 12399.9 cm-1
Scaled (by 0.9627) Zero Point Vibrational Energy (zpe) 11937.4 cm-1
See section III.C.1 List or set vibrational scaling factors to change the scale factors used here.
See section III.C.2 Calculate a vibrational scaling factor for a given set of molecules to determine the least squares best scaling factor.
Rotational Constants (cm-1) from geometry optimized at B3LYPultrafine/6-31+G**
ABC
2.00967 0.34930 0.29758

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYPultrafine/6-31+G**

Point Group is Cs

An error occurred on the server when processing the URL. Please contact the system administrator.

If you are the system administrator please click here to find out more about this error.