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All results from a given calculation for CH3CHNOH (Acetaldoxime)

using model chemistry: MP4/6-311G**

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 MP4/6-311G**
Rotational Constants (cm-1) from geometry optimized at MP4/6-311G**
See section I.F.4 to change rotational constant units
Geometric Data calculated at MP4/6-311G**
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (CS cis)

Jump to S1C1
Energy calculated at MP4/6-311G**
 hartrees
Energy at 0K-208.670963
Energy at 298.15K 
HF Energy-207.939586
Nuclear repulsion energy119.258004
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 MP4/6-311G**
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' 3889 3772        
2 A' 3183 3086        
3 A' 3167 3071        
4 A' 3051 2958        
5 A' 1691 1640        
6 A' 1496 1451        
7 A' 1416 1373        
8 A' 1386 1344        
9 A' 1336 1296        
10 A' 1152 1118        
11 A' 936 907        
12 A' 911 884        
13 A' 670 650        
14 A' 319 309        
15 A" 3113 3019        
16 A" 1502 1457        
17 A" 1063 1030        
18 A" 851 825        
19 A" 484 470        
20 A" 380 368        
21 A" 54i 52i        

Unscaled Zero Point Vibrational Energy (zpe) 15971.4 cm-1
Scaled (by 0.9697) Zero Point Vibrational Energy (zpe) 15487.5 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 MP4/6-311G**
ABC
0.58795 0.21026 0.15951

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP4/6-311G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.455 0.482 0.000
C2 0.000 0.869 0.000
N3 1.028 0.090 0.000
O4 0.652 -1.270 0.000
H5 1.513 -1.695 0.000
H6 -1.571 -0.604 0.000
H7 -1.950 0.900 0.886
H8 -1.950 0.900 -0.886
H9 0.270 1.926 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 O4 H5 H6 H7 H8 H9
C11.50562.51412.74023.68081.09151.09761.09762.2497
C21.50561.29022.23622.97732.15352.14242.14241.0907
N32.51411.29021.41101.84962.69073.21163.21161.9861
O42.74022.23621.41100.96022.32143.50253.50253.2184
H53.68082.97731.84960.96023.27214.41774.41773.8280
H61.09152.15352.69072.32143.27211.78561.78563.1286
H71.09762.14243.21163.50254.41771.78561.77122.6016
H81.09762.14243.21163.50254.41771.78561.77122.6016
H92.24971.09071.98613.21843.82803.12862.60162.6016

picture of Acetaldoxime state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N3 127.951 C1 C2 H9 119.254
C2 C1 H6 111.030 C2 C1 H7 109.773
C2 C1 H8 109.773 C2 N3 O4 111.683
N3 C2 H9 112.795 N3 O4 H5 100.807
H6 C1 H7 109.307 H6 C1 H8 109.307
H7 C1 H8 107.580
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability