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All results from a given calculation for CH3CHNOH (Acetaldoxime)

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

Conformer 2 (CS cis)

Jump to S1C1
Energy calculated at CCSD(T)=FULL/6-31G*
 hartrees
Energy at 0K-208.551842
Energy at 298.15K 
HF Energy-207.878451
Nuclear repulsion energy119.029604
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 CCSD(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' 3736 3626        
2 A' 3194 3101        
3 A' 3174 3081        
4 A' 3061 2971        
5 A' 1737 1686        
6 A' 1525 1481        
7 A' 1449 1407        
8 A' 1408 1367        
9 A' 1361 1321        
10 A' 1170 1135        
11 A' 945 918        
12 A' 910 884        
13 A' 671 651        
14 A' 319 310        
15 A" 3120 3029        
16 A" 1533 1488        
17 A" 1089 1057        
18 A" 861 836        
19 A" 484 470        
20 A" 378 367        
21 A" 82i 80i        

Unscaled Zero Point Vibrational Energy (zpe) 16020.6 cm-1
Scaled (by 0.9707) Zero Point Vibrational Energy (zpe) 15551.2 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 CCSD(T)=FULL/6-31G*
ABC
0.58394 0.21044 0.15931

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.450 0.484 0.000
C2 0.000 0.869 0.000
N3 1.031 0.095 0.000
O4 0.647 -1.275 0.000
H5 1.515 -1.716 0.000
H6 -1.570 -0.601 0.000
H7 -1.948 0.902 0.885
H8 -1.948 0.902 -0.885
H9 0.262 1.929 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 O4 H5 H6 H7 H8 H9
C11.50062.51182.73733.69271.09211.09851.09852.2404
C21.50061.28922.23962.99632.15132.14032.14031.0919
N32.51181.28921.42341.87482.69333.21133.21131.9887
O42.73732.23961.42340.97412.31733.50123.50123.2273
H53.69272.99631.87480.97413.28104.43124.43123.8545
H61.09212.15132.69332.31733.28101.78521.78523.1241
H71.09852.14033.21133.50124.43121.78521.77082.5929
H81.09852.14033.21133.50124.43121.78521.77082.5929
H92.24041.09191.98873.22733.85453.12412.59292.5929

picture of Acetaldoxime state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N3 128.257 C1 C2 H9 118.732
C2 C1 H6 111.175 C2 C1 H7 109.913
C2 C1 H8 109.913 C2 N3 O4 111.211
N3 C2 H9 113.012 N3 O4 H5 101.224
H6 C1 H7 109.168 H6 C1 H8 109.168
H7 C1 H8 107.421
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability