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All results from a given calculation for CH3CHNOH (Acetaldoxime)

using model chemistry: MP2=FULL/aug-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 MP2=FULL/aug-cc-pVDZ
Rotational Constants (cm-1) from geometry optimized at MP2=FULL/aug-cc-pVDZ
See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/aug-cc-pVDZ
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (CS cis)

Jump to S1C1
Energy calculated at MP2=FULL/aug-cc-pVDZ
 hartrees
Energy at 0K-208.595402
Energy at 298.15K 
HF Energy-207.917023
Nuclear repulsion energy118.994441
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 MP2=FULL/aug-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' 3815 3697 90.07      
2 A' 3221 3122 7.54      
3 A' 3208 3110 1.05      
4 A' 3077 2982 11.97      
5 A' 1696 1644 3.86      
6 A' 1471 1426 13.76      
7 A' 1390 1347 19.64      
8 A' 1365 1323 22.89      
9 A' 1325 1284 37.43      
10 A' 1146 1110 6.64      
11 A' 928 899 34.53      
12 A' 893 865 85.64      
13 A' 662 642 13.03      
14 A' 315 305 1.64      
15 A" 3153 3056 8.69      
16 A" 1476 1431 8.43      
17 A" 1049 1017 1.15      
18 A" 854 827 15.06      
19 A" 489 474 38.66      
20 A" 389 377 78.11      
21 A" 70i 68i 0.02      

Unscaled Zero Point Vibrational Energy (zpe) 15925.4 cm-1
Scaled (by 0.9692) Zero Point Vibrational Energy (zpe) 15434.9 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 MP2=FULL/aug-cc-pVDZ
ABC
0.58357 0.21030 0.15922

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/aug-cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.450 0.486 0.000
C2 0.000 0.871 0.000
N3 1.032 0.090 0.000
O4 0.645 -1.276 0.000
H5 1.505 -1.718 0.000
H6 -1.576 -0.601 0.000
H7 -1.946 0.910 0.887
H8 -1.946 0.910 -0.887
H9 0.282 1.929 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 O4 H5 H6 H7 H8 H9
C11.50002.51292.73733.68661.09501.10101.10102.2535
C21.50001.29392.24202.99492.15682.13882.13881.0941
N32.51291.29391.42021.86912.69773.21323.21321.9853
O42.73732.24201.42020.96752.32073.50383.50383.2251
H53.68662.99491.86910.96753.27724.42764.42763.8461
H61.09502.15682.69772.32073.27721.79111.79113.1386
H71.10102.13883.21323.50384.42761.79111.77362.6050
H81.10102.13883.21323.50384.42761.79111.77362.6050
H92.25351.09411.98533.22513.84613.13862.60502.6050

picture of Acetaldoxime state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N3 128.011 C1 C2 H9 119.789
C2 C1 H6 111.476 C2 C1 H7 109.682
C2 C1 H8 109.682 C2 N3 O4 111.305
N3 C2 H9 112.201 N3 O4 H5 101.348
H6 C1 H7 109.296 H6 C1 H8 109.296
H7 C1 H8 107.313
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability