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All results from a given calculation for CH3CHNOH (Acetaldoxime)

using model chemistry: QCISD(T)=FULL/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 2 yes CS cis 1A'

Conformer 1 (CS trans)

Jump to S1C2
Vibrational Frequencies calculated at QCISD(T)=FULL/6-31G*
Rotational Constants (cm-1) from geometry optimized at QCISD(T)=FULL/6-31G*
See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD(T)=FULL/6-31G*
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (CS cis)

Jump to S1C1
Energy calculated at QCISD(T)=FULL/6-31G*
 hartrees
Energy at 0K-208.552508
Energy at 298.15K 
HF Energy-207.878351
Nuclear repulsion energy118.997485
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 QCISD(T)=FULL/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' 3733 3733        
2 A' 3193 3193        
3 A' 3173 3173        
4 A' 3059 3059        
5 A' 1734 1734        
6 A' 1525 1525        
7 A' 1448 1448        
8 A' 1407 1407        
9 A' 1359 1359        
10 A' 1169 1169        
11 A' 944 944        
12 A' 908 908        
13 A' 670 670        
14 A' 319 319        
15 A" 3119 3119        
16 A" 1532 1532        
17 A" 1088 1088        
18 A" 860 860        
19 A" 485 485        
20 A" 377 377        
21 A" 82i 82i        

Unscaled Zero Point Vibrational Energy (zpe) 16010.0 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 16010.0 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 QCISD(T)=FULL/6-31G*
ABC
0.58355 0.21034 0.15922

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD(T)=FULL/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.451 0.484 0.000
C2 0.000 0.869 0.000
N3 1.032 0.095 0.000
O4 0.647 -1.276 0.000
H5 1.516 -1.716 0.000
H6 -1.571 -0.601 0.000
H7 -1.949 0.902 0.885
H8 -1.949 0.902 -0.885
H9 0.262 1.929 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 O4 H5 H6 H7 H8 H9
C11.50082.51242.73803.69341.09221.09851.09852.2408
C21.50081.28962.24042.99692.15152.14072.14071.0920
N32.51241.28961.42411.87512.69363.21203.21201.9889
O42.73802.24041.42410.97422.31753.50203.50203.2282
H53.69342.99691.87510.97423.28144.43194.43193.8550
H61.09222.15152.69362.31753.28141.78541.78543.1245
H71.09852.14073.21203.50204.43191.78541.77102.5936
H81.09852.14073.21203.50204.43191.78541.77102.5936
H92.24081.09201.98893.22823.85503.12452.59362.5936

picture of Acetaldoxime state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N3 128.259 C1 C2 H9 118.746
C2 C1 H6 111.163 C2 C1 H7 109.921
C2 C1 H8 109.921 C2 N3 O4 111.202
N3 C2 H9 112.995 N3 O4 H5 101.193
H6 C1 H7 109.164 H6 C1 H8 109.164
H7 C1 H8 107.424
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability