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: B3LYPultrafine/cc-pVTZ

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 B3LYPultrafine/cc-pVTZ
 hartrees
Energy at 0K-229.136439
Energy at 298.15K-229.141380
HF Energy-229.136439
Nuclear repulsion energy119.648780
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/cc-pVTZ
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' 3700 3577 60.12      
2 A' 2968 2870 62.49      
3 A' 2919 2822 70.61      
4 A' 1798 1738 148.90      
5 A' 1480 1430 19.05      
6 A' 1438 1391 51.27      
7 A' 1394 1348 22.66      
8 A' 1300 1257 49.44      
9 A' 1131 1093 80.61      
10 A' 865 836 52.78      
11 A' 765 739 9.62      
12 A' 286 277 23.70      
13 A" 2980 2880 22.11      
14 A" 1252 1210 1.98      
15 A" 1108 1071 0.18      
16 A" 725 701 0.01      
17 A" 407 394 83.13      
18 A" 222 214 2.99      

Unscaled Zero Point Vibrational Energy (zpe) 13368.6 cm-1
Scaled (by 0.9667) Zero Point Vibrational Energy (zpe) 12923.4 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/cc-pVTZ
ABC
0.61959 0.21808 0.16626

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYPultrafine/cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.929 0.000
C2 0.924 -0.257 0.000
O3 -1.348 0.557 0.000
O4 0.512 -1.390 0.000
H5 -1.362 -0.412 0.000
H6 0.246 1.543 0.879
H7 0.246 1.543 -0.879
H8 2.008 -0.034 0.000

Atom - Atom Distances (Å)
  C1 C2 O3 O4 H5 H6 H7 H8
C11.50341.39802.37491.91131.09981.09982.2269
C21.50342.41321.20622.29142.11452.11451.1060
O31.39802.41322.69220.96912.06952.06953.4070
O42.37491.20622.69222.11353.07333.07332.0189
H51.91132.29140.96912.11352.67912.67913.3906
H61.09982.11452.06953.07332.67911.75782.5230
H71.09982.11452.06953.07332.67911.75782.5230
H82.22691.10603.40702.01893.39062.52302.5230

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 122.058 C1 C2 H8 116.348
C1 O3 H5 106.276 C2 C1 O3 112.503
C2 C1 H6 107.628 C2 C1 H7 107.628
O3 C1 H6 111.335 O3 C1 H7 111.335
O4 C2 H8 121.594 H6 C1 H7 106.100
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYPultrafine/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.087      
2 C 0.119      
3 O -0.345      
4 O -0.270      
5 H 0.211      
6 H 0.063      
7 H 0.063      
8 H 0.072      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.857 1.417 0.000 2.336
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -24.197 3.859 -0.013
y 3.859 -26.279 0.001
z -0.013 0.001 -23.182
Traceless
 xyz
x 0.534 3.859 -0.013
y 3.859 -2.590 0.001
z -0.013 0.001 2.056
Polar
3z2-r24.112
x2-y22.082
xy3.859
xz-0.013
yz0.001


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.074 0.149 -0.002
y 0.149 5.423 -0.001
z -0.002 -0.001 3.434


<r2> (average value of r2) Å2
<r2> 73.081
(<r2>)1/2 8.549