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: HF/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 HF/6-311+G(3df,2p)
 hartrees
Energy at 0K-207.967238
Energy at 298.15K-207.973453
Nuclear repulsion energy118.967342
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 HF/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 4209 3824 131.19      
2 A 3266 2968 27.42      
3 A 3250 2953 2.60      
4 A 3162 2873 23.36      
5 A 1938 1761 8.00      
6 A 1601 1455 12.85      
7 A 1576 1432 15.93      
8 A 1527 1388 20.98      
9 A 1416 1286 64.69      
10 A 1244 1131 8.33      
11 A 1151 1046 151.88      
12 A 986 896 2.01      
13 A 612 556 14.55      
14 A 354 322 2.84      
15 A 3208 2915 24.25      
16 A 1598 1452 8.14      
17 A 1202 1092 3.29      
18 A 1008 916 8.20      
19 A 375 341 145.96      
20 A 322 292 5.22      
21 A 214 194 0.20      

Unscaled Zero Point Vibrational Energy (zpe) 17108.6 cm-1
Scaled (by 0.9086) Zero Point Vibrational Energy (zpe) 15544.9 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 HF/6-311+G(3df,2p)
ABC
1.61840 0.14421 0.13570

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.295 1.292 0.000
C2 0.000 0.547 0.000
N3 0.022 -0.698 0.000
O4 1.294 -1.198 0.000
H5 1.187 -2.130 0.000
H6 -2.128 0.604 0.000
H7 -1.361 1.930 0.874
H8 -1.361 1.930 -0.874
H9 0.927 1.102 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 O4 H5 H6 H7 H8 H9
C11.49362.38553.59164.22711.07991.08451.08452.2300
C21.49361.24512.17242.92862.12862.12822.12821.0806
N32.38551.24511.36731.84672.51303.09553.09552.0151
O43.59162.17241.36730.93833.86754.19504.19502.3292
H54.22712.92861.84670.93834.29734.87284.87283.2428
H61.07992.12862.51303.86754.29731.76361.76363.0952
H71.08452.12823.09554.19504.87281.76361.74802.5854
H81.08452.12823.09554.19504.87281.76361.74802.5854
H92.23001.08062.01512.32923.24283.09522.58542.5854

picture of Acetaldoxime state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N3 120.889 C1 C2 H9 119.185
C2 C1 H6 110.577 C2 C1 H7 110.266
C2 C1 H8 110.266 C2 N3 O4 112.439
N3 C2 H9 119.926 N3 O4 H5 104.914
H6 C1 H7 109.136 H6 C1 H8 109.136
H7 C1 H8 107.390
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/6-311+G(3df,2p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.317      
2 C 0.569      
3 N -0.497      
4 O -0.552      
5 H 0.247      
6 H 0.141      
7 H 0.133      
8 H 0.133      
9 H 0.142      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.433 0.858 0.000 0.962
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -25.625 -1.965 0.000
y -1.965 -18.872 0.000
z 0.000 0.000 -25.327
Traceless
 xyz
x -3.526 -1.965 0.000
y -1.965 6.604 0.000
z 0.000 0.000 -3.078
Polar
3z2-r2-6.157
x2-y2-6.753
xy-1.965
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.635 -1.220 0.000
y -1.220 7.002 0.000
z 0.000 0.000 4.095


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