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

using model chemistry: CCSD(T)=FULL/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 CCSD(T)=FULL/6-31G*
 hartrees
Energy at 0K-208.612238
Energy at 298.15K-208.618576
HF Energy-207.949910
Nuclear repulsion energy121.066360
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 CCSD(T)=FULL/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' 3675 3567        
2 A' 3483 3381        
3 A' 3168 3075        
4 A' 3072 2982        
5 A' 1769 1717        
6 A' 1533 1488        
7 A' 1487 1443        
8 A' 1429 1387        
9 A' 1299 1261        
10 A' 1138 1105        
11 A' 1039 1009        
12 A' 885 859        
13 A' 552 535        
14 A' 424 412        
15 A" 3147 3055        
16 A" 1516 1471        
17 A" 1089 1057        
18 A" 867 842        
19 A" 629 610        
20 A" 516 500        
21 A" 122 118        

Unscaled Zero Point Vibrational Energy (zpe) 16418.4 cm-1
Scaled (by 0.9707) Zero Point Vibrational Energy (zpe) 15937.3 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 CCSD(T)=FULL/6-31G*
ABC
0.35932 0.30757 0.17104

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.131 0.000
C2 0.954 -1.032 0.000
N3 0.238 1.388 0.000
O4 -1.293 -0.299 0.000
H5 1.992 -0.687 0.000
H6 0.777 -1.655 0.886
H7 0.777 -1.655 -0.886
H8 1.247 1.564 0.000
H9 -1.836 0.516 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 O4 H5 H6 H7 H8 H9
C11.50451.27911.36292.15372.13972.13971.89901.8760
C21.50452.52392.36341.09461.09671.09672.61263.1906
N31.27912.52392.27842.71713.21463.21461.02392.2501
O41.36292.36342.27843.30822.62842.62843.14990.9793
H52.15371.09462.71713.30821.78821.78822.37094.0129
H62.13971.09673.21462.62841.78821.77113.37103.5107
H72.13971.09673.21462.62841.78821.77113.37103.5107
H81.89902.61261.02393.14992.37093.37103.37103.2562
H91.87603.19062.25010.97934.01293.51073.51073.2562

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 110.938 C1 C2 H6 109.690
C1 C2 H7 109.690 C1 N3 H8 110.606
C1 O4 H9 105.265 C2 C1 N3 129.939
C2 C1 O4 110.928 N3 C1 O4 119.133
H5 C2 H6 109.380 H5 C2 H7 109.380
H6 C2 H7 107.698
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability