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

using model chemistry: QCISD/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 QCISD/6-31G*
 hartrees
Energy at 0K-208.579844
Energy at 298.15K-208.586218
HF Energy-207.950443
Nuclear repulsion energy121.194002
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 QCISD/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' 3710 3533 45.73      
2 A' 3515 3347 0.79      
3 A' 3180 3028 13.10      
4 A' 3085 2938 5.72      
5 A' 1794 1708 195.36      
6 A' 1539 1466 21.80      
7 A' 1497 1425 65.06      
8 A' 1437 1369 1.86      
9 A' 1310 1247 94.45      
10 A' 1147 1092 182.33      
11 A' 1047 997 36.48      
12 A' 892 850 0.61      
13 A' 556 530 41.74      
14 A' 428 408 2.26      
15 A" 3160 3009 7.17      
16 A" 1522 1449 7.42      
17 A" 1098 1046 8.46      
18 A" 876 834 28.87      
19 A" 632 602 155.83      
20 A" 521 496 18.09      
21 A" 130 124 0.79      

Unscaled Zero Point Vibrational Energy (zpe) 16537.1 cm-1
Scaled (by 0.9523) Zero Point Vibrational Energy (zpe) 15748.3 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 QCISD/6-31G*
ABC
0.36005 0.30812 0.17136

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.133 0.000
C2 0.955 -1.030 0.000
N3 0.235 1.387 0.000
O4 -1.291 -0.301 0.000
H5 1.993 -0.684 0.000
H6 0.778 -1.652 0.885
H7 0.778 -1.652 -0.885
H8 1.241 1.565 0.000
H9 -1.839 0.508 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 O4 H5 H6 H7 H8 H9
C11.50461.27571.36212.15372.13872.13871.89551.8765
C21.50462.52152.36131.09391.09591.09592.61103.1890
N31.27572.52152.27562.71613.21103.21101.02182.2521
O41.36212.36132.27563.30612.62482.62483.14590.9772
H52.15371.09392.71613.30611.78721.78722.37174.0126
H62.13871.09593.21102.62481.78721.76983.36863.5068
H72.13871.09593.21102.62481.78721.76983.36863.5068
H81.89552.61101.02183.14592.37173.36863.36863.2562
H91.87653.18902.25210.97724.01263.50683.50683.2562

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 110.972 C1 C2 H6 109.649
C1 C2 H7 109.649 C1 N3 H8 110.697
C1 O4 H9 105.493 C2 C1 N3 129.978
C2 C1 O4 110.816 N3 C1 O4 119.206
H5 C2 H6 109.407 H5 C2 H7 109.407
H6 C2 H7 107.693
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability