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

using model chemistry: CCSD(T)/TZVP

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)/TZVP
 hartrees
Energy at 0K-208.751053
Energy at 298.15K-208.757336
HF Energy-208.031449
Nuclear repulsion energy121.365481
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)/TZVP
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' 3781 3639        
2 A' 3525 3393        
3 A' 3163 3044        
4 A' 3065 2950        
5 A' 1734 1669        
6 A' 1504 1448        
7 A' 1460 1405        
8 A' 1408 1356        
9 A' 1284 1236        
10 A' 1121 1079        
11 A' 1028 990        
12 A' 872 839        
13 A' 552 531        
14 A' 424 408        
15 A" 3141 3023        
16 A" 1480 1424        
17 A" 1071 1031        
18 A" 846 815        
19 A" 573 552        
20 A" 488 470        
21 A" 114 110        

Unscaled Zero Point Vibrational Energy (zpe) 16317.0 cm-1
Scaled (by 0.9625) Zero Point Vibrational Energy (zpe) 15705.1 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)/TZVP
ABC
0.36031 0.30897 0.17167

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD(T)/TZVP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.132 0.000
C2 0.935 -1.047 0.000
N3 0.266 1.378 0.000
O4 -1.300 -0.272 0.000
H5 1.973 -0.714 0.000
H6 0.750 -1.662 0.884
H7 0.750 -1.662 -0.884
H8 1.275 1.515 0.000
H9 -1.824 0.543 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 O4 H5 H6 H7 H8 H9
C11.50481.27431.36142.14672.13612.13611.88091.8698
C21.50482.51582.36531.09021.09241.09242.58433.1843
N31.27432.51582.27562.69993.20293.20291.01802.2515
O41.36142.36532.27563.30252.62972.62973.13460.9691
H52.14671.09022.69993.30251.78191.78192.33533.9997
H62.13611.09243.20292.62971.78191.76763.33903.5028
H72.13611.09243.20292.62971.78191.76763.33903.5028
H81.88092.58431.01803.13462.33533.33903.33903.2483
H91.86983.18432.25150.96913.99973.50283.50283.2483

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 110.615 C1 C2 H6 109.639
C1 C2 H7 109.639 C1 N3 H8 109.773
C1 O4 H9 105.465 C2 C1 N3 129.522
C2 C1 O4 111.122 N3 C1 O4 119.356
H5 C2 H6 109.451 H5 C2 H7 109.451
H6 C2 H7 108.002
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability