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All results from a given calculation for CH3CHNOH (Acetaldoxime)

using model chemistry: MP4=FULL/cc-pVTZ

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 MP4=FULL/cc-pVTZ
Rotational Constants (cm-1) from geometry optimized at MP4=FULL/cc-pVTZ
See section I.F.4 to change rotational constant units
Geometric Data calculated at MP4=FULL/cc-pVTZ
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (CS cis)

Jump to S1C1
Energy calculated at MP4=FULL/cc-pVTZ
 hartrees
Energy at 0K-208.872631
Energy at 298.15K-208.878659
HF Energy-207.964895
Nuclear repulsion energy119.944586
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 MP4=FULL/cc-pVTZ
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' 3857 3714        
2 A' 3192 3074        
3 A' 3175 3057        
4 A' 3067 2953        
5 A' 1709 1645        
6 A' 1499 1444        
7 A' 1414 1362        
8 A' 1384 1332        
9 A' 1340 1290        
10 A' 1155 1112        
11 A' 935 900        
12 A' 908 875        
13 A' 668 644        
14 A' 319 307        
15 A" 3113 2998        
16 A" 1512 1456        
17 A" 1074 1034        
18 A" 880 847        
19 A" 503 485        
20 A" 388 374        
21 A" 67 64        

Unscaled Zero Point Vibrational Energy (zpe) 16079.6 cm-1
Scaled (by 0.9629) Zero Point Vibrational Energy (zpe) 15483.0 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 MP4=FULL/cc-pVTZ
ABC
0.59422 0.21301 0.16146

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP4=FULL/cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.441 0.482 0.000
C2 0.000 0.865 0.000
N3 1.021 0.092 0.000
O4 0.645 -1.268 0.000
H5 1.504 -1.697 0.000
H6 -1.562 -0.594 0.000
H7 -1.934 0.898 0.877
H8 -1.934 0.898 -0.877
H9 0.264 1.912 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 O4 H5 H6 H7 H8 H9
C11.49072.49212.72283.66351.08301.08901.08902.2247
C21.49071.28012.22812.97062.13712.12392.12391.0799
N32.49211.28011.41091.85312.67183.18593.18591.9710
O42.72282.22811.41090.96032.30733.48063.48063.2027
H53.66352.97061.85310.96033.25824.39624.39623.8161
H61.08302.13712.67182.30733.25821.77081.77083.1003
H71.08902.12393.18593.48064.39621.77081.75422.5742
H81.08902.12393.18593.48064.39621.77081.75422.5742
H92.22471.07991.97103.20273.81613.10032.57422.5742

picture of Acetaldoxime state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N3 127.997 C1 C2 H9 119.006
C2 C1 H6 111.281 C2 C1 H7 109.860
C2 C1 H8 109.860 C2 N3 O4 111.693
N3 C2 H9 112.997 N3 O4 H5 101.093
H6 C1 H7 109.226 H6 C1 H8 109.226
H7 C1 H8 107.298
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability