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

using model chemistry: MP3/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP3/6-31G*
 hartrees
Energy at 0K-208.567950
Energy at 298.15K-208.574357
HF Energy-207.951317
Nuclear repulsion energy121.507954
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 MP3/6-31G*
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' 3769 3537 52.17      
2 A' 3559 3340 1.20      
3 A' 3217 3020 11.06      
4 A' 3120 2928 4.07      
5 A' 1832 1720 200.43      
6 A' 1550 1454 22.47      
7 A' 1510 1417 73.20      
8 A' 1447 1358 1.02      
9 A' 1323 1242 101.36      
10 A' 1158 1087 187.92      
11 A' 1055 990 33.89      
12 A' 904 848 0.70      
13 A' 563 528 43.04      
14 A' 433 406 2.39      
15 A" 3197 3001 5.24      
16 A" 1531 1437 8.07      
17 A" 1106 1039 9.64      
18 A" 889 834 30.46      
19 A" 633 594 153.55      
20 A" 525 493 22.75      
21 A" 135 127 0.83      

Unscaled Zero Point Vibrational Energy (zpe) 16726.6 cm-1
Scaled (by 0.9386) Zero Point Vibrational Energy (zpe) 15699.6 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 MP3/6-31G*
ABC
0.36168 0.30976 0.17221

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.133 0.000
C2 0.941 -1.038 0.000
N3 0.253 1.378 0.000
O4 -1.293 -0.284 0.000
H5 1.980 -0.704 0.000
H6 0.757 -1.657 0.883
H7 0.757 -1.657 -0.883
H8 1.259 1.543 0.000
H9 -1.831 0.528 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 O4 H5 H6 H7 H8 H9
C11.50271.27081.35822.14962.13442.13441.89011.8734
C21.50272.51272.35821.09131.09351.09352.60073.1844
N31.27082.51272.26962.70493.20073.20071.01912.2513
O41.35822.35822.26963.29972.62062.62063.13790.9737
H52.14961.09132.70493.29971.78411.78412.35944.0054
H62.13441.09353.20072.62061.78411.76573.35683.5003
H72.13441.09353.20072.62061.78411.76573.35683.5003
H81.89012.60071.01913.13792.35943.35683.35683.2526
H91.87343.18442.25130.97374.00543.50033.50033.2526

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 110.926 C1 C2 H6 109.593
C1 C2 H7 109.593 C1 N3 H8 110.786
C1 O4 H9 105.720 C2 C1 N3 129.722
C2 C1 O4 110.931 N3 C1 O4 119.347
H5 C2 H6 109.490 H5 C2 H7 109.490
H6 C2 H7 107.687
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability