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

using model chemistry: CCSD/cc-pVTZ

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/cc-pVTZ
 hartrees
Energy at 0K-208.840606
Energy at 298.15K-208.847016
HF Energy-208.040337
Nuclear repulsion energy121.987020
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/cc-pVTZ
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' 3830 3605 57.25      
2 A' 3567 3357 4.40      
3 A' 3174 2987 11.10      
4 A' 3077 2896 5.68      
5 A' 1784 1679 211.79      
6 A' 1511 1422 23.85      
7 A' 1478 1391 61.85      
8 A' 1411 1328 0.46      
9 A' 1292 1216 87.55      
10 A' 1136 1070 184.33      
11 A' 1035 974 34.34      
12 A' 889 837 0.79      
13 A' 558 525 40.86      
14 A' 427 402 1.74      
15 A" 3147 2962 6.09      
16 A" 1496 1408 7.38      
17 A" 1087 1023 5.78      
18 A" 873 822 26.67      
19 A" 626 589 107.43      
20 A" 527 496 29.42      
21 A" 135 127 0.53      

Unscaled Zero Point Vibrational Energy (zpe) 16530.2 cm-1
Scaled (by 0.9412) Zero Point Vibrational Energy (zpe) 15558.2 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/cc-pVTZ
ABC
0.36372 0.31233 0.17342

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD/cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.132 0.000
C2 0.907 -1.061 0.000
N3 0.298 1.363 0.000
O4 -1.299 -0.241 0.000
H5 1.950 -0.756 0.000
H6 0.708 -1.672 0.879
H7 0.708 -1.672 -0.879
H8 1.304 1.480 0.000
H9 -1.806 0.579 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 O4 H5 H6 H7 H8 H9
C11.49931.26661.35202.14312.12852.12851.87511.8603
C21.49932.49982.35431.08651.08931.08932.57153.1704
N31.26662.49982.26412.68733.18693.18691.01282.2457
O41.35202.35432.26413.29022.61722.61723.12080.9636
H52.14311.08652.68733.29021.77671.77672.32723.9864
H62.12851.08933.18692.61721.77671.75833.32623.4869
H72.12851.08933.18692.61721.77671.75833.32623.4869
H81.87512.57151.01283.12082.32723.32623.32623.2381
H91.86033.17042.24570.96363.98643.48693.48693.2381

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 110.946 C1 C2 H6 109.612
C1 C2 H7 109.612 C1 N3 H8 110.205
C1 O4 H9 105.686 C2 C1 N3 129.139
C2 C1 O4 111.216 N3 C1 O4 119.645
H5 C2 H6 109.490 H5 C2 H7 109.490
H6 C2 H7 107.627
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability