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All results from a given calculation for CH3CHNOH (Acetaldoxime)

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

Conformer 2 (CS cis)

Jump to S1C1
Energy calculated at CCSD(T)/cc-pVDZ
 hartrees
Energy at 0K-208.593683
Energy at 298.15K-208.599561
HF Energy-207.900858
Nuclear repulsion energy118.835811
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 CCSD(T)/cc-pVDZ
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' 3834 3753        
2 A' 3195 3128        
3 A' 3173 3105        
4 A' 3054 2989        
5 A' 1717 1680        
6 A' 1472 1440        
7 A' 1401 1372        
8 A' 1380 1351        
9 A' 1328 1300        
10 A' 1144 1120        
11 A' 928 909        
12 A' 907 888        
13 A' 662 648        
14 A' 317 311        
15 A" 3122 3056        
16 A" 1482 1451        
17 A" 1053 1030        
18 A" 851 833        
19 A" 484 473        
20 A" 374 366        
21 A" 19 18        

Unscaled Zero Point Vibrational Energy (zpe) 15947.9 cm-1
Scaled (by 0.9788) Zero Point Vibrational Energy (zpe) 15609.8 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 CCSD(T)/cc-pVDZ
ABC
0.58334 0.20933 0.15870

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD(T)/cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.458 0.481 0.000
C2 0.000 0.870 0.000
N3 1.034 0.091 0.000
O4 0.652 -1.271 0.000
H5 1.519 -1.701 0.000
H6 -1.576 -0.613 0.000
H7 -1.960 0.903 0.892
H8 -1.960 0.903 -0.892
H9 0.266 1.938 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 O4 H5 H6 H7 H8 H9
C11.50902.52272.74323.69121.10021.10681.10682.2572
C21.50901.29502.23842.98612.16382.15332.15331.1004
N32.52271.29501.41451.85602.70333.22773.22772.0002
O42.74322.23841.41450.96732.32363.51343.51343.2321
H53.69122.98611.85600.96733.28074.43574.43573.8481
H61.10022.16382.70332.32363.28071.79991.79993.1462
H71.10682.15333.22773.51344.43571.79991.78422.6118
H81.10682.15333.22773.51344.43571.79991.78422.6118
H92.25721.10042.00023.23213.84813.14622.61182.6118

picture of Acetaldoxime state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N3 128.073 C1 C2 H9 118.940
C2 C1 H6 111.082 C2 C1 H7 109.855
C2 C1 H8 109.855 C2 N3 O4 111.334
N3 C2 H9 112.987 N3 O4 H5 100.701
H6 C1 H7 109.277 H6 C1 H8 109.277
H7 C1 H8 107.417
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability