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All results from a given calculation for CH3C(OH)=NH (Ethaninidic acid)

using model chemistry: MP2=FULL/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP2=FULL/6-31+G**
 hartrees
Energy at 0K-208.626624
Energy at 298.15K-208.632973
HF Energy-207.974118
Nuclear repulsion energy121.416032
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 MP2=FULL/6-31+G**
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' 3795 3564 61.40      
2 A' 3607 3388 7.22      
3 A' 3255 3057 8.72      
4 A' 3139 2948 5.92      
5 A' 1749 1643 201.51      
6 A' 1535 1441 21.38      
7 A' 1473 1383 60.30      
8 A' 1417 1331 15.48      
9 A' 1261 1185 79.24      
10 A' 1122 1054 173.12      
11 A' 1044 981 55.69      
12 A' 891 837 1.19      
13 A' 550 517 43.99      
14 A' 430 404 2.18      
15 A" 3234 3038 3.36      
16 A" 1519 1426 9.06      
17 A" 1086 1020 2.68      
18 A" 851 800 31.76      
19 A" 604 567 144.22      
20 A" 519 488 22.70      
21 A" 126 119 0.78      

Unscaled Zero Point Vibrational Energy (zpe) 16603.1 cm-1
Scaled (by 0.9392) Zero Point Vibrational Energy (zpe) 15593.6 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 MP2=FULL/6-31+G**
ABC
0.35995 0.31001 0.17185

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/6-31+G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.130 0.000
C2 0.961 -1.019 0.000
N3 0.226 1.389 0.000
O4 -1.287 -0.313 0.000
H5 1.987 -0.664 0.000
H6 0.790 -1.637 0.879
H7 0.790 -1.637 -0.879
H8 1.226 1.570 0.000
H9 -1.846 0.482 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 O4 H5 H6 H7 H8 H9
C11.49791.27941.36122.13952.12572.12571.89151.8790
C21.49792.51792.35621.08571.08791.08792.60303.1828
N31.27942.51792.27772.70463.20103.20101.01602.2618
O41.36122.35622.27773.29262.61562.61563.14050.9718
H52.13951.08572.70463.29261.77481.77482.36034.0002
H62.12571.08793.20102.61561.77481.75893.35363.4945
H72.12571.08793.20102.61561.77481.75893.35363.4945
H81.89152.60301.01603.14052.36033.35363.35363.2588
H91.87903.18282.26180.97184.00023.49453.49453.2588

picture of Ethaninidic acid state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H5 110.807 C1 C2 H6 109.568
C1 C2 H7 109.568 C1 N3 H8 110.456
C1 O4 H9 106.092 C2 C1 N3 129.912
C2 C1 O4 110.906 N3 C1 O4 119.182
H5 C2 H6 109.482 H5 C2 H7 109.482
H6 C2 H7 107.880
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability