return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

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

using model chemistry: MP4=FULL/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 MP4=FULL/6-311G**
 hartrees
Energy at 0K-208.813336
Energy at 298.15K-208.819650
HF Energy-208.013393
Nuclear repulsion energy121.252447
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 MP4=FULL/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' 3807 3661        
2 A' 3536 3400        
3 A' 3165 3043        
4 A' 3065 2947        
5 A' 1732 1666        
6 A' 1499 1441        
7 A' 1461 1405        
8 A' 1396 1342        
9 A' 1281 1232        
10 A' 1122 1078        
11 A' 1020 981        
12 A' 875 842        
13 A' 547 526        
14 A' 419 403        
15 A" 3143 3022        
16 A" 1485 1428        
17 A" 1069 1027        
18 A" 851 818        
19 A" 605 582        
20 A" 502 483        
21 A" 119 115        

Unscaled Zero Point Vibrational Energy (zpe) 16349.9 cm-1
Scaled (by 0.9615) Zero Point Vibrational Energy (zpe) 15720.4 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 MP4=FULL/6-311G**
ABC
0.36014 0.30793 0.17133

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP4=FULL/6-311G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.132 0.000
C2 0.927 -1.056 0.000
N3 0.274 1.382 0.000
O4 -1.300 -0.265 0.000
H5 1.973 -0.735 0.000
H6 0.733 -1.672 0.886
H7 0.733 -1.672 -0.886
H8 1.286 1.506 0.000
H9 -1.805 0.560 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 O4 H5 H6 H7 H8 H9
C11.50771.27911.35952.15502.13912.13911.88141.8547
C21.50772.52412.36401.09351.09561.09562.58753.1743
N31.27912.52412.27802.71423.21213.21211.01902.2356
O41.35952.36402.27803.30652.62632.62633.13390.9666
H52.15501.09352.71423.30651.78811.78812.34443.9933
H62.13911.09563.21212.62631.78811.77123.34473.4933
H72.13911.09563.21212.62631.78811.77123.34473.4933
H81.88142.58751.01903.13392.34443.34473.34473.2320
H91.85473.17432.23560.96663.99333.49333.49333.2320

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 110.880 C1 C2 H6 109.490
C1 C2 H7 109.490 C1 N3 H8 109.387
C1 O4 H9 104.492 C2 C1 N3 129.669
C2 C1 O4 110.974 N3 C1 O4 119.357
H5 C2 H6 109.533 H5 C2 H7 109.533
H6 C2 H7 107.859
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability