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: B3LYP/SDD

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 B3LYP/SDD
 hartrees
Energy at 0K-229.011218
Energy at 298.15K-229.016042
Nuclear repulsion energy117.253655
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 B3LYP/SDD
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' 3612 3472 25.92      
2 A' 3037 2919 112.49      
3 A' 3016 2899 7.77      
4 A' 1688 1622 105.72      
5 A' 1495 1438 19.80      
6 A' 1419 1364 51.78      
7 A' 1397 1343 15.68      
8 A' 1279 1230 72.38      
9 A' 1087 1045 61.49      
10 A' 867 833 54.34      
11 A' 743 714 9.00      
12 A' 274 263 24.59      
13 A" 3062 2943 28.12      
14 A" 1228 1180 6.24      
15 A" 1107 1064 0.28      
16 A" 750 721 1.05      
17 A" 383 369 154.48      
18 A" 193 186 16.96      

Unscaled Zero Point Vibrational Energy (zpe) 13318.0 cm-1
Scaled (by 0.9613) Zero Point Vibrational Energy (zpe) 12802.6 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 B3LYP/SDD
ABC
0.58819 0.21122 0.16010

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/SDD

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.947 0.000
C2 0.952 -0.236 0.000
O3 -1.381 0.543 0.000
O4 0.538 -1.411 0.000
H5 -1.428 -0.442 0.000
H6 0.213 1.564 0.888
H7 0.213 1.564 -0.888
H8 2.032 -0.003 0.000

Atom - Atom Distances (Å)
  C1 C2 O3 O4 H5 H6 H7 H8
C11.51841.43882.41831.99181.10231.10232.2433
C21.51842.45951.24562.38912.13912.13911.1053
O31.43882.45952.73860.98562.09122.09123.4566
O42.41831.24562.73862.19223.12193.12192.0533
H51.99182.38910.98562.19222.73982.73983.4883
H61.10232.13912.09123.12192.73981.77552.5600
H71.10232.13912.09123.12192.73981.77552.5600
H82.24331.10533.45662.05333.48832.56002.5600

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 121.762 C1 C2 H8 116.641
C1 O3 H5 109.056 C2 C1 O3 112.524
C2 C1 H6 108.375 C2 C1 H7 108.375
O3 C1 H6 110.059 O3 C1 H7 110.059
O4 C2 H8 121.598 H6 C1 H7 107.288
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/SDD Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.250      
2 C -0.014      
3 O -0.474      
4 O -0.239      
5 H 0.368      
6 H 0.214      
7 H 0.214      
8 H 0.180      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  2.481 1.642 0.000 2.975
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -24.480 5.262 0.000
y 5.262 -27.007 0.000
z 0.000 0.000 -23.138
Traceless
 xyz
x 0.592 5.262 0.000
y 5.262 -3.198 0.000
z 0.000 0.000 2.606
Polar
3z2-r25.212
x2-y22.527
xy5.262
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.155 0.175 0.000
y 0.175 4.882 0.000
z 0.000 0.000 2.555


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