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All results from a given calculation for CH3CHNOH (Acetaldoxime)

using model chemistry: QCISD(T)=FULL/cc-pVDZ

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/cc-pVDZ
Rotational Constants (cm-1) from geometry optimized at QCISD(T)=FULL/cc-pVDZ
See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD(T)=FULL/cc-pVDZ
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (CS cis)

Jump to S1C1
Energy calculated at QCISD(T)=FULL/cc-pVDZ
 hartrees
Energy at 0K-208.603173
Energy at 298.15K 
HF Energy-207.901020
Nuclear repulsion energy118.887048
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/cc-pVDZ
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' 3834 3677        
2 A' 3200 3069        
3 A' 3177 3047        
4 A' 3058 2933        
5 A' 1718 1647        
6 A' 1475 1414        
7 A' 1402 1345        
8 A' 1380 1323        
9 A' 1328 1274        
10 A' 1145 1098        
11 A' 929 891        
12 A' 906 869        
13 A' 663 636        
14 A' 318 305        
15 A" 3128 3000        
16 A" 1486 1425        
17 A" 1053 1010        
18 A" 852 817        
19 A" 484 464        
20 A" 374 359        
21 A" 20i 20i        

Unscaled Zero Point Vibrational Energy (zpe) 15945.6 cm-1
Scaled (by 0.959) Zero Point Vibrational Energy (zpe) 15291.8 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 QCISD(T)=FULL/cc-pVDZ
ABC
0.58396 0.20948 0.15883

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD(T)=FULL/cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.457 0.482 0.000
C2 0.000 0.870 0.000
N3 1.034 0.090 0.000
O4 0.652 -1.272 0.000
H5 1.518 -1.701 0.000
H6 -1.575 -0.611 0.000
H7 -1.958 0.903 0.891
H8 -1.958 0.903 -0.891
H9 0.267 1.936 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 O4 H5 H6 H7 H8 H9
C11.50772.52112.74243.68981.09931.10581.10582.2556
C21.50771.29452.23832.98532.16202.15162.15161.0995
N32.52111.29451.41441.85552.70143.22563.22561.9989
O42.74242.23831.41440.96702.32273.51193.51193.2310
H53.68982.98531.85550.96703.27964.43374.43373.8463
H61.09932.16202.70142.32273.27961.79821.79823.1437
H71.10582.15163.22563.51194.43371.79821.78252.6102
H81.10582.15163.22563.51194.43371.79821.78252.6102
H92.25561.09951.99893.23103.84633.14372.61022.6102

picture of Acetaldoxime state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N3 128.071 C1 C2 H9 118.960
C2 C1 H6 111.083 C2 C1 H7 109.872
C2 C1 H8 109.872 C2 N3 O4 111.355
N3 C2 H9 112.970 N3 O4 H5 100.682
H6 C1 H7 109.263 H6 C1 H8 109.263
H7 C1 H8 107.409
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability