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All results from a given calculation for CH3CHNOH (Acetaldoxime)

using model chemistry: B2PLYP=FULL/STO-3G

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 B2PLYP=FULL/STO-3G
Rotational Constants (cm-1) from geometry optimized at B2PLYP=FULL/STO-3G
See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULL/STO-3G
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (CS cis)

Jump to S1C1
Energy calculated at B2PLYP=FULL/STO-3G
 hartrees
Energy at 0K-206.101069
Energy at 298.15K-206.106803
HF Energy-206.020339
Nuclear repulsion energy116.699046
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 B2PLYP=FULL/STO-3G
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' 3771 3771 11.71      
2 A' 3536 3536 0.34      
3 A' 3466 3466 9.64      
4 A' 3345 3345 0.47      
5 A' 1739 1739 0.16      
6 A' 1684 1684 5.40      
7 A' 1568 1568 4.57      
8 A' 1509 1509 24.13      
9 A' 1429 1429 27.94      
10 A' 1223 1223 4.60      
11 A' 1085 1085 52.14      
12 A' 981 981 1.16      
13 A' 673 673 5.82      
14 A' 288 288 0.54      
15 A" 3502 3502 0.32      
16 A" 1691 1691 5.33      
17 A" 1147 1147 0.05      
18 A" 864 864 6.24      
19 A" 493 493 22.59      
20 A" 381 381 41.73      
21 A" 55 55 0.23      

Unscaled Zero Point Vibrational Energy (zpe) 17215.1 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 17215.1 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 B2PLYP=FULL/STO-3G
ABC
0.55298 0.20541 0.15416

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULL/STO-3G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.475 0.481 0.000
C2 0.000 0.896 0.000
N3 1.068 0.099 0.000
O4 0.638 -1.291 0.000
H5 1.562 -1.734 0.000
H6 -1.557 -0.615 0.000
H7 -1.986 0.879 0.891
H8 -1.986 0.879 -0.891
H9 0.239 1.971 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 O4 H5 H6 H7 H8 H9
C11.53262.57222.75763.75931.09921.10191.10192.2718
C21.53261.33302.27813.05912.17012.17732.17731.1018
N32.57221.33301.45501.89832.72123.27653.27652.0482
O42.75762.27811.45501.02522.29683.52003.52003.2868
H53.75933.05911.89831.02523.31424.49644.49643.9349
H61.09922.17012.72122.29683.31421.79221.79223.1494
H71.10192.17733.27653.52004.49641.79221.78242.6344
H81.10192.17733.27653.52004.49641.79221.78242.6344
H92.27181.10182.04823.28683.93493.14942.63442.6344

picture of Acetaldoxime state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N3 127.555 C1 C2 H9 118.246
C2 C1 H6 110.000 C2 C1 H7 110.402
C2 C1 H8 110.402 C2 N3 O4 109.511
N3 C2 H9 114.198 N3 O4 H5 98.392
H6 C1 H7 109.021 H6 C1 H8 109.021
H7 C1 H8 107.949
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability