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All results from a given calculation for CH3CHNOH (Acetaldoxime)

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

Conformer 2 (CS cis)

Jump to S1C1
Energy calculated at QCISD/6-311G**
 hartrees
Energy at 0K-208.644944
Energy at 298.15K 
HF Energy-207.941187
Nuclear repulsion energy119.689495
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 QCISD/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' 3927 3747 84.01      
2 A' 3196 3050 11.22      
3 A' 3182 3036 4.11      
4 A' 3063 2922 15.42      
5 A' 1758 1677 7.79      
6 A' 1507 1437 16.12      
7 A' 1434 1368 17.92      
8 A' 1408 1344 40.29      
9 A' 1362 1300 28.53      
10 A' 1165 1112 8.36      
11 A' 971 927 107.24      
12 A' 927 885 0.15      
13 A' 680 649 12.33      
14 A' 322 308 1.45      
15 A" 3121 2978 17.04      
16 A" 1512 1443 8.52      
17 A" 1080 1030 1.41      
18 A" 872 832 10.54      
19 A" 489 467 35.24      
20 A" 382 365 94.46      
21 A" 56i 53i 0.09      

Unscaled Zero Point Vibrational Energy (zpe) 16152.0 cm-1
Scaled (by 0.9541) Zero Point Vibrational Energy (zpe) 15410.7 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 QCISD/6-311G**
ABC
0.59397 0.21118 0.16047

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.454 0.477 0.000
C2 0.000 0.864 0.000
N3 1.022 0.091 0.000
O4 0.658 -1.262 0.000
H5 1.514 -1.690 0.000
H6 -1.574 -0.606 0.000
H7 -1.948 0.896 0.885
H8 -1.948 0.896 -0.885
H9 0.263 1.920 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 O4 H5 H6 H7 H8 H9
C11.50472.50622.73573.67531.08991.09641.09642.2435
C21.50471.28122.22522.96922.15402.13972.13971.0891
N32.50621.28121.40141.84822.68863.20193.20191.9805
O42.73572.22521.40140.95752.32653.49723.49723.2069
H53.67532.96921.84820.95753.27324.41124.41123.8214
H61.08992.15402.68862.32653.27321.78311.78313.1244
H71.09642.13973.20193.49724.41121.78311.76922.5926
H81.09642.13973.20193.49724.41121.78311.76922.5926
H92.24351.08911.98053.20693.82143.12442.59262.5926

picture of Acetaldoxime state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N3 128.022 C1 C2 H9 118.884
C2 C1 H6 111.228 C2 C1 H7 109.692
C2 C1 H8 109.692 C2 N3 O4 112.012
N3 C2 H9 113.094 N3 O4 H5 101.501
H6 C1 H7 109.290 H6 C1 H8 109.290
H7 C1 H8 107.572
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability