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

using model chemistry: MP2/6-311+G(3df,2p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP2/6-311+G(3df,2p)
 hartrees
Energy at 0K-208.814438
Energy at 298.15K-208.820817
HF Energy-208.038387
Nuclear repulsion energy121.903934
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 MP2/6-311+G(3df,2p)
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' 3782 3568 67.49      
2 A' 3571 3369 10.19      
3 A' 3203 3022 6.35      
4 A' 3090 2915 4.01      
5 A' 1733 1635 204.09      
6 A' 1503 1418 21.67      
7 A' 1449 1367 69.18      
8 A' 1392 1313 5.05      
9 A' 1252 1181 89.28      
10 A' 1106 1044 171.62      
11 A' 1024 966 41.58      
12 A' 884 834 0.98      
13 A' 552 520 40.60      
14 A' 424 400 1.87      
15 A" 3175 2996 2.51      
16 A" 1494 1409 8.91      
17 A" 1070 1010 4.02      
18 A" 851 803 24.06      
19 A" 624 589 119.57      
20 A" 526 496 19.71      
21 A" 137 129 0.42      

Unscaled Zero Point Vibrational Energy (zpe) 16421.5 cm-1
Scaled (by 0.9434) Zero Point Vibrational Energy (zpe) 15492.0 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 MP2/6-311+G(3df,2p)
ABC
0.36360 0.31200 0.17328

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/6-311+G(3df,2p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.130 0.000
C2 0.925 -1.046 0.000
N3 0.271 1.373 0.000
O4 -1.292 -0.266 0.000
H5 1.962 -0.725 0.000
H6 0.735 -1.660 0.878
H7 0.735 -1.660 -0.878
H8 1.276 1.519 0.000
H9 -1.817 0.547 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 O4 H5 H6 H7 H8 H9
C11.49571.27231.35132.13982.12482.12481.88601.8643
C21.49572.50542.35001.08551.08861.08862.58853.1708
N31.27232.50542.26492.69413.19143.19141.01512.2458
O41.35132.35002.26493.28602.61192.61193.12720.9676
H52.13981.08552.69413.28601.77551.77552.34613.9871
H62.12481.08863.19142.61191.77551.75653.34223.4861
H72.12481.08863.19142.61191.77551.75653.34223.4861
H81.88602.58851.01513.12722.34613.34223.34223.2420
H91.86433.17082.24580.96763.98713.48613.48613.2420

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 110.992 C1 C2 H6 109.603
C1 C2 H7 109.603 C1 N3 H8 110.575
C1 O4 H9 105.831 C2 C1 N3 129.502
C2 C1 O4 111.160 N3 C1 O4 119.339
H5 C2 H6 109.504 H5 C2 H7 109.504
H6 C2 H7 107.568
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability