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

using model chemistry: CBS-Q

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at CBS-Q
 hartrees
Energy at 0K-208.868171
Energy at 298.15K-208.862643
HF Energy-207.950026
Nuclear repulsion energy122.805514
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 CBS-Q
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A' 4070 4070 80.17      
2 A' 3793 3793 1.98      
3 A' 3303 3303 21.08      
4 A' 3210 3210 8.16      
5 A' 1934 1934 335.69      
6 A' 1621 1621 27.72      
7 A' 1586 1586 80.61      
8 A' 1518 1518 10.22      
9 A' 1402 1402 113.32      
10 A' 1218 1218 206.27      
11 A' 1115 1115 37.82      
12 A' 936 936 0.51      
13 A' 597 597 46.08      
14 A' 453 453 1.94      
15 A" 3281 3281 11.87      
16 A" 1608 1608 5.30      
17 A" 1177 1177 15.76      
18 A" 942 942 34.90      
19 A" 688 688 178.72      
20 A" 564 564 38.50      
21 A" 149 149 0.63      

Unscaled Zero Point Vibrational Energy (zpe) 17581.3 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 17581.3 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 CBS-Q
ABC
0.36163 0.30805 0.17169

See section I.F.4 to change rotational constant units
Geometric Data calculated at CBS-Q

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.137 0.000
C2 0.881 -1.081 0.000
N3 0.325 1.345 0.000
O4 -1.291 -0.204 0.000
H5 1.930 -0.809 0.000
H6 0.664 -1.686 0.877
H7 0.664 -1.686 -0.877
H8 1.317 1.468 0.000
H9 -1.805 0.590 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 O4 H5 H6 H7 H8 H9
C11.50351.25101.33562.15002.12922.12921.87251.8614
C21.50352.48952.34201.08441.08671.08672.58663.1637
N31.25102.48952.23912.68703.17353.17350.99992.2602
O41.33562.34202.23913.27782.60522.60523.09850.9466
H52.15001.08442.68703.27781.77191.77192.35863.9894
H62.12921.08673.17352.60521.77191.75373.33793.4711
H72.12921.08673.17352.60521.77191.75373.33793.4711
H81.87252.58660.99993.09852.35863.33793.33793.2437
H91.86143.16372.26020.94663.98943.47113.47113.2437

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 111.328 C1 C2 H6 109.526
C1 C2 H7 109.526 C1 N3 H8 112.108
C1 O4 H9 108.088 C2 C1 N3 129.093
C2 C1 O4 111.028 N3 C1 O4 119.879
H5 C2 H6 109.394 H5 C2 H7 109.394
H6 C2 H7 107.593
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability