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

using model chemistry: CCSD(T)/6-311G*

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)/6-311G*
 hartrees
Energy at 0K-208.685799
Energy at 298.15K-208.692120
HF Energy-207.998203
Nuclear repulsion energy121.239885
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)/6-311G*
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' 3759 3618        
2 A' 3517 3385        
3 A' 3141 3023        
4 A' 3043 2930        
5 A' 1749 1683        
6 A' 1510 1454        
7 A' 1474 1419        
8 A' 1413 1360        
9 A' 1312 1263        
10 A' 1135 1093        
11 A' 1029 991        
12 A' 879 846        
13 A' 553 533        
14 A' 423 407        
15 A" 3116 3000        
16 A" 1493 1438        
17 A" 1077 1037        
18 A" 860 828        
19 A" 628 605        
20 A" 514 495        
21 A" 107 103        

Unscaled Zero Point Vibrational Energy (zpe) 16365.7 cm-1
Scaled (by 0.9626) Zero Point Vibrational Energy (zpe) 15753.6 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 CCSD(T)/6-311G*
ABC
0.36072 0.30739 0.17128

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD(T)/6-311G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.132 0.000
C2 0.937 -1.049 0.000
N3 0.261 1.383 0.000
O4 -1.296 -0.274 0.000
H5 1.981 -0.724 0.000
H6 0.748 -1.669 0.885
H7 0.748 -1.669 -0.885
H8 1.267 1.540 0.000
H9 -1.826 0.535 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 O4 H5 H6 H7 H8 H9
C11.50791.27741.35812.15882.14172.14171.89381.8700
C21.50792.52422.36321.09401.09651.09652.60993.1847
N31.27742.52422.27362.72043.21453.21451.01842.2531
O41.35812.36322.27363.30802.62782.62783.13990.9671
H52.15881.09402.72043.30801.78771.78772.37404.0104
H62.14171.09653.21452.62781.78771.76963.36843.5021
H72.14171.09653.21452.62781.78771.76963.36843.5021
H81.89382.60991.01843.13992.37403.36843.36843.2528
H91.87003.18472.25310.96714.01043.50213.50213.2528

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 111.136 C1 C2 H6 109.627
C1 C2 H7 109.627 C1 N3 H8 110.643
C1 O4 H9 105.847 C2 C1 N3 129.804
C2 C1 O4 110.988 N3 C1 O4 119.208
H5 C2 H6 109.391 H5 C2 H7 109.391
H6 C2 H7 107.596
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability