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All results from a given calculation for CH3CHNOH (Acetaldoxime)

using model chemistry: MP3=FULL/3-21G*

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=FULL/3-21G*
Rotational Constants (cm-1) from geometry optimized at MP3=FULL/3-21G*
See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3=FULL/3-21G*
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (CS cis)

Jump to S1C1
Energy calculated at MP3=FULL/3-21G*
 hartrees
Energy at 0K-207.159279
Energy at 298.15K-207.165143
HF Energy-206.721899
Nuclear repulsion energy117.585665
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=FULL/3-21G*
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' 3564 3564 15.31      
2 A' 3209 3209 3.68      
3 A' 3178 3178 14.13      
4 A' 3081 3081 10.28      
5 A' 1707 1707 3.31      
6 A' 1574 1574 11.34      
7 A' 1481 1481 18.48      
8 A' 1411 1411 1.67      
9 A' 1354 1354 64.39      
10 A' 1171 1171 21.57      
11 A' 932 932 45.46      
12 A' 890 890 13.41      
13 A' 664 664 13.63      
14 A' 325 325 3.04      
15 A" 3128 3128 13.76      
16 A" 1594 1594 12.48      
17 A" 1138 1138 0.42      
18 A" 896 896 11.27      
19 A" 470 470 14.50      
20 A" 327 327 144.85      
21 A" 29 29 1.45      

Unscaled Zero Point Vibrational Energy (zpe) 16061.2 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 16061.2 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 MP3=FULL/3-21G*
ABC
0.55041 0.21003 0.15651

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3=FULL/3-21G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.455 0.468 0.000
C2 0.000 0.891 0.000
N3 1.043 0.133 0.000
O4 0.640 -1.302 0.000
H5 1.526 -1.741 0.000
H6 -1.518 -0.620 0.000
H7 -1.961 0.867 0.888
H8 -1.961 0.867 -0.888
H9 0.223 1.956 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 O4 H5 H6 H7 H8 H9
C11.51512.52052.74233.71051.09001.09691.09692.2423
C21.51511.28932.28383.04222.14172.15262.15261.0879
N32.52051.28931.49041.93532.66973.21733.21731.9985
O42.74232.28381.49040.98942.26303.50053.50053.2838
H53.71053.04221.93530.98943.24424.44394.44393.9195
H61.09002.14172.66972.26303.24421.78741.78743.1088
H71.09692.15263.21733.50054.44391.78741.77582.5967
H81.09692.15263.21733.50054.44391.78741.77582.5967
H92.24231.08791.99853.28383.91953.10882.59672.5967

picture of Acetaldoxime state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N3 127.816 C1 C2 H9 118.021
C2 C1 H6 109.516 C2 C1 H7 109.970
C2 C1 H8 109.970 C2 N3 O4 110.284
N3 C2 H9 114.164 N3 O4 H5 100.651
H6 C1 H7 109.638 H6 C1 H8 109.638
H7 C1 H8 108.089
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability