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

using model chemistry: G3

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at G3
 hartrees
Energy at 0K-209.047388
Energy at 298.15K-209.041778
HF Energy-207.953327
Nuclear repulsion energy122.790739
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 HF/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' 4059 3824 92.84      
2 A' 3787 3568 2.83      
3 A' 3315 3123 21.23      
4 A' 3226 3040 8.26      
5 A' 1937 1825 328.57      
6 A' 1629 1535 26.58      
7 A' 1596 1504 77.98      
8 A' 1531 1443 14.87      
9 A' 1396 1315 108.12      
10 A' 1220 1149 205.11      
11 A' 1122 1057 41.72      
12 A' 939 885 0.50      
13 A' 598 564 45.61      
14 A' 456 430 1.75      
15 A" 3292 3101 12.20      
16 A" 1617 1524 5.65      
17 A" 1184 1116 13.81      
18 A" 940 886 38.22      
19 A" 676 637 156.44      
20 A" 559 527 43.96      
21 A" 147 138 0.64      

Unscaled Zero Point Vibrational Energy (zpe) 17612.6 cm-1
Scaled (by 0.9422) Zero Point Vibrational Energy (zpe) 16594.6 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/6-31G*
ABC
0.36110 0.30925 0.17191

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.131 0.000
C2 0.963 -1.018 0.000
N3 0.218 1.390 0.000
O4 -1.284 -0.318 0.000
H5 1.994 -0.663 0.000
H6 0.794 -1.640 0.882
H7 0.794 -1.640 -0.882
H8 1.220 1.582 0.000
H9 -1.836 0.491 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 O4 H5 H6 H7 H8 H9
C11.49901.27771.36002.14642.13162.13161.89571.8709
C21.49902.52022.35371.09051.09251.09252.61193.1798
N31.27772.52022.27402.71443.20763.20761.02052.2419
O41.36002.35372.27403.29632.61592.61593.14300.9791
H52.14641.09052.71443.29631.78161.78162.37394.0002
H62.13161.09253.20762.61591.78161.76363.36713.4977
H72.13161.09253.20762.61591.78161.76363.36713.4977
H81.89572.61191.02053.14302.37393.36713.36713.2449
H91.87093.17982.24190.97914.00023.49773.49773.2449

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 111.278 C1 C2 H6 109.569
C1 C2 H7 109.569 C1 N3 H8 112.079
C1 O4 H9 107.661 C2 C1 N3 129.051
C2 C1 O4 111.053 N3 C1 O4 119.897
H5 C2 H6 109.362 H5 C2 H7 109.362
H6 C2 H7 107.625
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability