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All results from a given calculation for CH3CHNOH (Acetaldoxime)

using model chemistry: MP3=FULL/6-31G(2df,p)

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/6-31G(2df,p)
Rotational Constants (cm-1) from geometry optimized at MP3=FULL/6-31G(2df,p)
See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3=FULL/6-31G(2df,p)
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (CS cis)

Jump to S1C1
Energy calculated at MP3=FULL/6-31G(2df,p)
 hartrees
Energy at 0K-208.701435
Energy at 298.15K 
HF Energy-207.908901
Nuclear repulsion energy120.521829
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/6-31G(2df,p)
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' 3958 3958 89.40      
2 A' 3262 3262 5.12      
3 A' 3247 3247 4.38      
4 A' 3130 3130 7.61      
5 A' 1805 1805 3.98      
6 A' 1529 1529 15.02      
7 A' 1449 1449 28.47      
8 A' 1430 1430 38.47      
9 A' 1385 1385 26.86      
10 A' 1178 1178 9.78      
11 A' 1008 1008 108.46      
12 A' 945 945 1.86      
13 A' 689 689 12.86      
14 A' 323 323 1.48      
15 A" 3195 3195 7.59      
16 A" 1537 1537 8.36      
17 A" 1097 1097 0.28      
18 A" 895 895 10.40      
19 A" 508 508 26.41      
20 A" 386 386 94.32      
21 A" 21i 21i 0.11      

Unscaled Zero Point Vibrational Energy (zpe) 16466.1 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 16466.1 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/6-31G(2df,p)
ABC
0.60500 0.21348 0.16252

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3=FULL/6-31G(2df,p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.445 0.475 0.000
C2 0.000 0.857 0.000
N3 1.012 0.089 0.000
O4 0.658 -1.253 0.000
H5 1.509 -1.686 0.000
H6 -1.568 -0.601 0.000
H7 -1.938 0.892 0.877
H8 -1.938 0.892 -0.877
H9 0.259 1.908 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 O4 H5 H6 H7 H8 H9
C11.49432.48682.72183.66011.08391.08951.08952.2259
C21.49431.27032.21062.95742.14152.12792.12791.0825
N32.48681.27031.38851.84382.67083.18093.18091.9688
O42.72182.21061.38850.95502.31923.48023.48023.1866
H53.66012.95741.84380.95503.26264.39334.39333.8058
H61.08392.14152.67082.31923.26261.77131.77133.1041
H71.08952.12793.18093.48024.39331.77131.75462.5747
H81.08952.12793.18093.48024.39331.77131.75462.5747
H92.22591.08251.96883.18663.80583.10412.57472.5747

picture of Acetaldoxime state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N3 128.005 C1 C2 H9 118.631
C2 C1 H6 111.338 C2 C1 H7 109.896
C2 C1 H8 109.896 C2 N3 O4 112.410
N3 C2 H9 113.364 N3 O4 H5 102.179
H6 C1 H7 109.175 H6 C1 H8 109.175
H7 C1 H8 107.266
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability