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 CH3CHNOH (Acetaldoxime)

using model chemistry: B3LYP/6-311+G(3df,2p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS trans 1A'
Energy calculated at B3LYP/6-311+G(3df,2p)
 hartrees
Energy at 0K-209.219003
Energy at 298.15K-209.225021
Nuclear repulsion energy117.384931
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/6-311+G(3df,2p)
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 3843 3717 95.51      
2 A 3121 3018 12.35      
3 A 3081 2980 12.38      
4 A 3021 2921 17.58      
5 A 1732 1675 1.16      
6 A 1484 1435 11.78      
7 A 1439 1392 6.47      
8 A 1404 1357 19.13      
9 A 1290 1248 53.91      
10 A 1150 1112 4.02      
11 A 1002 969 139.81      
12 A 904 875 25.18      
13 A 566 548 14.69      
14 A 327 316 3.32      
15 A 3065 2964 13.20      
16 A 1480 1431 8.85      
17 A 1082 1047 1.34      
18 A 916 886 8.87      
19 A 402 389 130.11      
20 A 288 278 0.50      
21 A 199 192 0.16      

Unscaled Zero Point Vibrational Energy (zpe) 15898.5 cm-1
Scaled (by 0.967) Zero Point Vibrational Energy (zpe) 15373.8 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/6-311+G(3df,2p)
ABC
1.55843 0.14136 0.13278

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/6-311+G(3df,2p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.287 1.314 0.000
C2 0.000 0.561 0.000
N3 -0.000 -0.706 0.000
O4 1.307 -1.223 0.000
H5 1.164 -2.174 0.000
H6 -2.133 0.630 0.000
H7 -1.353 1.961 0.878
H8 -1.353 1.961 -0.878
H9 0.944 1.107 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 O4 H5 H6 H7 H8 H9
C11.49102.39493.62834.26281.08791.09251.09252.2400
C21.49101.26712.21162.97232.13422.13582.13581.0903
N32.39491.26711.40591.87362.51683.11663.11662.0443
O43.62832.21161.40590.96153.90764.24094.24092.3584
H54.26282.97231.87360.96154.32834.91974.91973.2884
H61.08792.13422.51683.90764.32831.77451.77453.1134
H71.09252.13583.11664.24094.91971.77451.75582.6029
H81.09252.13583.11664.24094.91971.77451.75582.6029
H92.24001.09032.04432.35843.28843.11342.60292.6029

picture of Acetaldoxime state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N3 120.315 C1 C2 H9 119.603
C2 C1 H6 110.730 C2 C1 H7 110.581
C2 C1 H8 110.581 C2 N3 O4 111.557
N3 C2 H9 120.082 N3 O4 H5 103.021
H6 C1 H7 108.952 H6 C1 H8 108.952
H7 C1 H8 106.946
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/6-311+G(3df,2p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.405      
2 C 0.373      
3 N -0.408      
4 O -0.452      
5 H 0.270      
6 H 0.157      
7 H 0.157      
8 H 0.157      
9 H 0.154      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.436 0.767 0.000 0.882
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.381 -1.440 0.000
y -1.440 7.676 0.000
z 0.000 0.000 4.417


<r2> (average value of r2) Å2
<r2> 92.035
(<r2>)1/2 9.593