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 CHOCH2OH (hydroxy acetaldehyde)

using model chemistry: SVWN/6-31G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS H in 1A'
Energy calculated at SVWN/6-31G**
 hartrees
Energy at 0K-227.871466
Energy at 298.15K-227.876567
Nuclear repulsion energy121.027842
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 SVWN/6-31G**
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' 3434 3378 91.98      
2 A' 2903 2856 91.12      
3 A' 2876 2829 8.28      
4 A' 1783 1754 122.03      
5 A' 1437 1413 79.23      
6 A' 1395 1372 39.29      
7 A' 1332 1310 37.24      
8 A' 1283 1262 29.95      
9 A' 1156 1137 104.89      
10 A' 893 878 38.32      
11 A' 778 765 4.41      
12 A' 323 318 29.16      
13 A" 2891 2844 19.24      
14 A" 1183 1164 6.09      
15 A" 1057 1039 0.20      
16 A" 678 667 0.02      
17 A" 563 554 77.00      
18 A" 251 247 1.01      

Unscaled Zero Point Vibrational Energy (zpe) 13106.7 cm-1
Scaled (by 0.9837) Zero Point Vibrational Energy (zpe) 12893.1 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 SVWN/6-31G**
ABC
0.60499 0.23486 0.17471

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.934 0.000
C2 0.921 -0.236 0.000
O3 -1.308 0.512 0.000
O4 0.451 -1.360 0.000
H5 -1.221 -0.477 0.000
H6 0.262 1.564 0.884
H7 0.262 1.564 -0.884
H8 2.023 -0.053 0.000

Atom - Atom Distances (Å)
  C1 C2 O3 O4 H5 H6 H7 H8
C11.48861.37372.33781.86561.11731.11732.2510
C21.48862.35071.21842.15502.11092.11091.1178
O31.37372.35072.56890.99342.08622.08623.3786
O42.33781.21842.56891.89073.06083.06082.0451
H51.86562.15500.99341.89072.67342.67343.2718
H61.11732.11092.08623.06082.67341.76892.5490
H71.11732.11092.08623.06082.67341.76892.5490
H82.25101.11783.37862.04513.27182.54902.5490

picture of hydroxy acetaldehyde state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 O4 119.110 C1 C2 H8 118.767
C1 O3 H5 102.840 C2 C1 O3 110.357
C2 C1 H6 107.342 C2 C1 H7 107.342
O3 C1 H6 113.352 O3 C1 H7 113.352
O4 C2 H8 122.123 H6 C1 H7 104.674
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at SVWN/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.079      
2 C 0.187      
3 O -0.505      
4 O -0.359      
5 H 0.328      
6 H 0.154      
7 H 0.154      
8 H 0.120      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  2.062 1.238 0.000 2.405
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -23.986 3.526 0.000
y 3.526 -25.325 0.000
z 0.000 0.000 -22.951
Traceless
 xyz
x 0.152 3.526 0.000
y 3.526 -1.856 0.000
z 0.000 0.000 1.704
Polar
3z2-r23.408
x2-y21.338
xy3.526
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.784 0.144 0.000
y 0.144 5.161 0.000
z 0.000 0.000 2.926


<r2> (average value of r2) Å2
<r2> 0.000
(<r2>)1/2 0.000