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All results from a given calculation for CH3CHNOH (Acetaldoxime)

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

Conformer 2 (CS cis)

Jump to S1C1
Energy calculated at QCISD(T)/cc-pVDZ
 hartrees
Energy at 0K-208.594277
Energy at 298.15K-208.600150
HF Energy-207.900759
Nuclear repulsion energy118.806576
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)/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' 3831 3652        
2 A' 3194 3044        
3 A' 3172 3023        
4 A' 3053 2910        
5 A' 1714 1634        
6 A' 1471 1402        
7 A' 1401 1335        
8 A' 1379 1314        
9 A' 1327 1265        
10 A' 1143 1090        
11 A' 928 884        
12 A' 906 863        
13 A' 662 631        
14 A' 316 302        
15 A" 3121 2975        
16 A" 1482 1413        
17 A" 1052 1003        
18 A" 850 810        
19 A" 484 461        
20 A" 374 356        
21 A" 18 17        

Unscaled Zero Point Vibrational Energy (zpe) 15937.9 cm-1
Scaled (by 0.9531) Zero Point Vibrational Energy (zpe) 15190.4 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)/cc-pVDZ
ABC
0.58297 0.20925 0.15863

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.458 0.482 0.000
C2 0.000 0.870 0.000
N3 1.035 0.091 0.000
O4 0.652 -1.272 0.000
H5 1.519 -1.701 0.000
H6 -1.576 -0.613 0.000
H7 -1.960 0.903 0.892
H8 -1.960 0.903 -0.892
H9 0.267 1.938 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 O4 H5 H6 H7 H8 H9
C11.50922.52322.74383.69181.10031.10691.10692.2576
C21.50921.29542.23932.98672.16382.15362.15361.1005
N32.52321.29541.41521.85622.70353.22833.22832.0005
O42.74382.23931.41520.96752.32363.51403.51403.2330
H53.69182.98671.85620.96753.28104.43634.43633.8486
H61.10032.16382.70352.32363.28101.80001.80003.1465
H71.10692.15363.22833.51404.43631.80001.78432.6124
H81.10692.15363.22833.51404.43631.80001.78432.6124
H92.25761.10052.00053.23303.84863.14652.61242.6124

picture of Acetaldoxime state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N3 128.072 C1 C2 H9 118.954
C2 C1 H6 111.066 C2 C1 H7 109.862
C2 C1 H8 109.862 C2 N3 O4 111.326
N3 C2 H9 112.974 N3 O4 H5 100.662
H6 C1 H7 109.276 H6 C1 H8 109.276
H7 C1 H8 107.421
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability