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

using model chemistry: MP2/aug-cc-pVDZ

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/aug-cc-pVDZ
 hartrees
Energy at 0K-208.652373
Energy at 298.15K-208.658720
HF Energy-207.991521
Nuclear repulsion energy120.769640
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/aug-cc-pVDZ
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' 3738 3585 60.31      
2 A' 3532 3387 7.35      
3 A' 3197 3066 8.43      
4 A' 3081 2954 5.48      
5 A' 1718 1648 190.61      
6 A' 1475 1415 18.24      
7 A' 1433 1374 66.28      
8 A' 1370 1314 0.93      
9 A' 1256 1204 84.93      
10 A' 1105 1059 172.43      
11 A' 1009 968 41.26      
12 A' 877 841 1.65      
13 A' 544 522 38.24      
14 A' 420 403 2.11      
15 A" 3170 3040 3.90      
16 A" 1464 1404 8.11      
17 A" 1054 1011 2.94      
18 A" 842 807 26.12      
19 A" 612 587 117.86      
20 A" 525 504 14.93      
21 A" 131 126 0.48      

Unscaled Zero Point Vibrational Energy (zpe) 16276.0 cm-1
Scaled (by 0.959) Zero Point Vibrational Energy (zpe) 15608.7 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/aug-cc-pVDZ
ABC
0.35672 0.30652 0.17016

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/aug-cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.130 0.000
C2 0.960 -1.029 0.000
N3 0.234 1.395 0.000
O4 -1.296 -0.306 0.000
H5 1.999 -0.675 0.000
H6 0.783 -1.654 0.889
H7 0.783 -1.654 -0.889
H8 1.244 1.562 0.000
H9 -1.843 0.500 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 O4 H5 H6 H7 H8 H9
C11.50531.28641.36712.15482.14162.14161.89691.8796
C21.50532.53072.36921.09751.10061.10062.60693.1930
N31.28642.53072.28752.71993.22303.22301.02352.2619
O41.36712.36922.28753.31522.63272.63273.15250.9735
H52.15481.09752.71993.31521.79611.79612.36094.0173
H62.14161.10063.22302.63271.79611.77763.36833.5108
H72.14161.10063.22302.63271.79611.77763.36833.5108
H81.89692.60691.02353.15252.36093.36833.36833.2646
H91.87963.19302.26190.97354.01733.51083.51083.2646

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 110.785 C1 C2 H6 109.552
C1 C2 H7 109.552 C1 N3 H8 109.887
C1 O4 H9 105.614 C2 C1 N3 129.882
C2 C1 O4 111.048 N3 C1 O4 119.069
H5 C2 H6 109.590 H5 C2 H7 109.590
H6 C2 H7 107.715
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability