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All results from a given calculation for CH3CHNOH (Acetaldoxime)

using model chemistry: MP3/TZVP

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 MP3/TZVP
Rotational Constants (cm-1) from geometry optimized at MP3/TZVP
See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3/TZVP
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (CS cis)

Jump to S1C1
Energy calculated at MP3/TZVP
 hartrees
Energy at 0K-208.651138
Energy at 298.15K 
HF Energy-207.960135
Nuclear repulsion energy120.136636
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 MP3/TZVP
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A' 3951 3695 82.08      
2 A' 3236 3026 12.85      
3 A' 3222 3014 1.50      
4 A' 3100 2899 13.37      
5 A' 1791 1675 5.06      
6 A' 1518 1419 14.71      
7 A' 1447 1353 13.03      
8 A' 1420 1328 36.64      
9 A' 1388 1298 42.54      
10 A' 1175 1099 8.27      
11 A' 980 916 109.50      
12 A' 935 875 0.03      
13 A' 690 646 11.70      
14 A' 328 306 1.64      
15 A" 3160 2956 14.19      
16 A" 1509 1411 10.01      
17 A" 1086 1015 2.19      
18 A" 876 820 11.23      
19 A" 479 448 28.20      
20 A" 380 355 111.76      
21 A" 69i 64i 0.03      

Unscaled Zero Point Vibrational Energy (zpe) 16301.2 cm-1
Scaled (by 0.9352) Zero Point Vibrational Energy (zpe) 15244.9 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 MP3/TZVP
ABC
0.59862 0.21268 0.16162

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3/TZVP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.447 0.476 0.000
C2 0.000 0.859 0.000
N3 1.016 0.094 0.000
O4 0.657 -1.260 0.000
H5 1.511 -1.692 0.000
H6 -1.577 -0.601 0.000
H7 -1.937 0.896 0.880
H8 -1.937 0.896 -0.880
H9 0.258 1.911 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 O4 H5 H6 H7 H8 H9
C11.49732.49252.72783.66781.08471.09081.09082.2293
C21.49731.27162.21872.96542.14912.12772.12771.0832
N32.49251.27161.40081.85392.68403.18353.18351.9686
O42.72782.21871.40080.95732.32873.48563.48563.1961
H53.66782.96541.85390.95733.27484.40014.40013.8151
H61.08472.14912.68402.32873.27481.77321.77323.1111
H71.09082.12773.18353.48564.40011.77321.75922.5738
H81.09082.12773.18353.48564.40011.77321.75922.5738
H92.22931.08321.96863.19613.81513.11112.57382.5738

picture of Acetaldoxime state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N3 128.171 C1 C2 H9 118.637
C2 C1 H6 111.685 C2 C1 H7 109.589
C2 C1 H8 109.589 C2 N3 O4 112.149
N3 C2 H9 113.192 N3 O4 H5 102.015
H6 C1 H7 109.195 H6 C1 H8 109.195
H7 C1 H8 107.491
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability