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

using model chemistry: CCSD/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/6-31G**
 hartrees
Energy at 0K-208.623239
Energy at 298.15K-208.629630
HF Energy-207.966647
Nuclear repulsion energy121.477034
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/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' 3855 3595 44.82      
2 A' 3596 3354 0.87      
3 A' 3228 3011 14.20      
4 A' 3126 2916 6.42      
5 A' 1804 1683 190.65      
6 A' 1548 1443 18.18      
7 A' 1501 1400 62.35      
8 A' 1441 1344 4.94      
9 A' 1304 1216 91.31      
10 A' 1149 1071 179.36      
11 A' 1051 980 38.85      
12 A' 895 835 0.67      
13 A' 556 519 41.74      
14 A' 429 400 2.04      
15 A" 3208 2992 8.43      
16 A" 1532 1429 5.62      
17 A" 1102 1028 6.61      
18 A" 882 822 27.63      
19 A" 627 585 147.48      
20 A" 519 484 18.82      
21 A" 132 123 0.73      

Unscaled Zero Point Vibrational Energy (zpe) 16742.6 cm-1
Scaled (by 0.9326) Zero Point Vibrational Energy (zpe) 15614.2 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/6-31G**
ABC
0.36072 0.30961 0.17192

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD/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 -1.039 0.000
N3 0.254 1.382 0.000
O4 -1.294 -0.285 0.000
H5 1.977 -0.706 0.000
H6 0.758 -1.654 0.880
H7 0.758 -1.654 -0.880
H8 1.258 1.538 0.000
H9 -1.829 0.521 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 O4 H5 H6 H7 H8 H9
C11.50391.27381.35972.14772.13222.13221.88601.8692
C21.50392.51672.35901.08751.08961.08962.59723.1794
N31.27382.51672.27472.70683.20113.20111.01622.2535
O41.35972.35902.27473.29742.61912.61913.13650.9675
H52.14771.08752.70683.29741.77751.77752.35693.9984
H62.13221.08963.20112.61911.77751.76093.34963.4926
H72.13221.08963.20112.61911.77751.76093.34963.4926
H81.88602.59721.01623.13652.35693.34963.34963.2501
H91.86923.17942.25350.96753.99843.49263.49263.2501

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 110.920 C1 C2 H6 109.560
C1 C2 H7 109.560 C1 N3 H8 110.381
C1 O4 H9 105.635 C2 C1 N3 129.736
C2 C1 O4 110.828 N3 C1 O4 119.436
H5 C2 H6 109.463 H5 C2 H7 109.463
H6 C2 H7 107.816
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability