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

using model chemistry: MP2=FULL/aug-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 MP2=FULL/aug-cc-pVTZ
 hartrees
Energy at 0K-208.905786
Energy at 298.15K-208.912200
HF Energy-208.043937
Nuclear repulsion energy122.245295
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=FULL/aug-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' 3769 3586 66.21      
2 A' 3572 3399 10.06      
3 A' 3197 3041 6.10      
4 A' 3099 2948 3.86      
5 A' 1744 1659 204.65      
6 A' 1511 1437 21.53      
7 A' 1455 1384 70.66      
8 A' 1398 1330 4.03      
9 A' 1257 1196 87.75      
10 A' 1110 1056 169.88      
11 A' 1030 980 46.37      
12 A' 892 849 1.03      
13 A' 551 525 40.51      
14 A' 430 409 1.70      
15 A" 3174 3019 2.17      
16 A" 1506 1432 8.68      
17 A" 1082 1029 3.91      
18 A" 859 818 25.47      
19 A" 627 597 108.83      
20 A" 533 507 24.96      
21 A" 142 135 0.45      

Unscaled Zero Point Vibrational Energy (zpe) 16468.3 cm-1
Scaled (by 0.9514) Zero Point Vibrational Energy (zpe) 15668.0 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=FULL/aug-cc-pVTZ
ABC
0.36491 0.31464 0.17438

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.129 0.000
C2 0.928 -1.034 0.000
N3 0.262 1.370 0.000
O4 -1.287 -0.277 0.000
H5 1.961 -0.705 0.000
H6 0.744 -1.648 0.877
H7 0.744 -1.648 -0.877
H8 1.263 1.522 0.000
H9 -1.817 0.532 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 O4 H5 H6 H7 H8 H9
C11.48831.26891.34942.13052.11662.11661.87981.8616
C21.48832.49562.34131.08371.08641.08642.57763.1611
N31.26892.49562.26092.68193.18003.18001.01232.2417
O41.34942.34132.26093.27572.60272.60273.11990.9672
H52.13051.08372.68193.27571.77211.77212.33303.9753
H62.11661.08643.18002.60271.77211.75493.32923.4758
H72.11661.08643.18002.60271.77211.75493.32923.4758
H81.87982.57761.01233.11992.33303.32923.32923.2350
H91.86163.16112.24170.96723.97533.47583.47583.2350

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 110.878 C1 C2 H6 109.595
C1 C2 H7 109.595 C1 N3 H8 110.478
C1 O4 H9 105.763 C2 C1 N3 129.507
C2 C1 O4 111.099 N3 C1 O4 119.395
H5 C2 H6 109.489 H5 C2 H7 109.489
H6 C2 H7 107.734
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability