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

using model chemistry: MP2=FULL/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/cc-pVTZ
 hartrees
Energy at 0K-208.877956
Energy at 298.15K-208.884400
HF Energy-208.040189
Nuclear repulsion energy122.321927
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/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' 3787 3595 64.01      
2 A' 3576 3395 7.53      
3 A' 3209 3047 6.97      
4 A' 3112 2954 4.18      
5 A' 1760 1671 182.08      
6 A' 1512 1435 22.22      
7 A' 1465 1391 71.73      
8 A' 1399 1328 0.45      
9 A' 1264 1200 89.73      
10 A' 1116 1060 181.11      
11 A' 1027 975 35.40      
12 A' 894 849 1.00      
13 A' 556 528 41.79      
14 A' 429 408 1.78      
15 A" 3182 3021 2.88      
16 A" 1502 1426 8.66      
17 A" 1078 1024 5.76      
18 A" 863 819 23.58      
19 A" 641 609 113.19      
20 A" 539 512 23.47      
21 A" 150 142 0.64      

Unscaled Zero Point Vibrational Energy (zpe) 16531.1 cm-1
Scaled (by 0.9494) Zero Point Vibrational Energy (zpe) 15694.6 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/cc-pVTZ
ABC
0.36533 0.31496 0.17455

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.129 0.000
C2 0.925 -1.037 0.000
N3 0.267 1.368 0.000
O4 -1.289 -0.272 0.000
H5 1.957 -0.714 0.000
H6 0.737 -1.649 0.875
H7 0.737 -1.649 -0.875
H8 1.269 1.508 0.000
H9 -1.806 0.545 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 O4 H5 H6 H7 H8 H9
C11.48821.26771.34962.13072.11472.11471.87441.8532
C21.48822.49372.34191.08171.08461.08462.56863.1558
N31.26772.49372.26062.68163.17713.17711.01202.2304
O41.34962.34192.26063.27552.60122.60123.11640.9668
H52.13071.08172.68163.27551.76931.76932.32613.9678
H62.11471.08463.17712.60121.76931.75043.31993.4709
H72.11471.08463.17712.60121.76931.75043.31993.4709
H81.87442.56861.01203.11642.32613.31993.31993.2225
H91.85323.15582.23040.96683.96783.47093.47093.2225

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 111.024 C1 C2 H6 109.562
C1 C2 H7 109.562 C1 N3 H8 110.107
C1 O4 H9 105.064 C2 C1 N3 129.433
C2 C1 O4 111.132 N3 C1 O4 119.435
H5 C2 H6 109.520 H5 C2 H7 109.520
H6 C2 H7 107.586
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability