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All results from a given calculation for CH3CHNOH (Acetaldoxime)

using model chemistry: CID/6-31G

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 CID/6-31G
Rotational Constants (cm-1) from geometry optimized at CID/6-31G
See section I.F.4 to change rotational constant units
Geometric Data calculated at CID/6-31G
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (CS cis)

Jump to S1C1
Energy calculated at CID/6-31G
 hartrees
Energy at 0K-208.178500
Energy at 298.15K 
HF Energy-207.788016
Nuclear repulsion energy118.205909
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 CID/6-31G
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' 3813 3566 56.36      
2 A' 3251 3040 16.06      
3 A' 3236 3027 1.33      
4 A' 3107 2906 14.20      
5 A' 1807 1690 6.16      
6 A' 1574 1472 12.63      
7 A' 1512 1414 14.66      
8 A' 1436 1343 1.89      
9 A' 1383 1294 77.09      
10 A' 1204 1126 18.02      
11 A' 969 906 20.01      
12 A' 862 806 69.59      
13 A' 684 640 17.46      
14 A' 320 299 2.69      
15 A" 3164 2959 18.28      
16 A" 1584 1481 14.75      
17 A" 1159 1084 0.64      
18 A" 919 859 9.66      
19 A" 488 456 30.46      
20 A" 378 353 175.04      
21 A" 61i 58i 0.20      

Unscaled Zero Point Vibrational Energy (zpe) 16393.5 cm-1
Scaled (by 0.9352) Zero Point Vibrational Energy (zpe) 15331.2 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 CID/6-31G
ABC
0.57293 0.20720 0.15662

See section I.F.4 to change rotational constant units
Geometric Data calculated at CID/6-31G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.455 0.493 0.000
C2 0.000 0.878 0.000
N3 1.030 0.110 0.000
O4 0.655 -1.299 0.000
H5 1.504 -1.764 0.000
H6 -1.574 -0.590 0.000
H7 -1.953 0.907 0.884
H8 -1.953 0.907 -0.884
H9 0.254 1.934 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 O4 H5 H6 H7 H8 H9
C11.50542.51492.76813.72151.08901.09591.09592.2357
C21.50541.28512.27313.03992.15242.14372.14371.0861
N32.51491.28511.45781.93262.69693.21193.21191.9826
O42.76812.27311.45780.96822.33913.52833.52833.2576
H53.72153.03991.93260.96823.29464.45734.45733.9035
H61.08902.15242.69692.33913.29461.77961.77963.1164
H71.09592.14373.21193.52834.45731.77961.76792.5892
H81.09592.14373.21193.52834.45731.77961.76792.5892
H92.23571.08611.98263.25763.90353.11642.58922.5892

picture of Acetaldoxime state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N3 128.467 C1 C2 H9 118.341
C2 C1 H6 111.098 C2 C1 H7 109.995
C2 C1 H8 109.995 C2 N3 O4 111.781
N3 C2 H9 113.191 N3 O4 H5 103.779
H6 C1 H7 109.071 H6 C1 H8 109.071
H7 C1 H8 107.533
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability