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

using model chemistry: MP2/6-311G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP2/6-311G*
 hartrees
Energy at 0K-208.634232
Energy at 298.15K-208.640597
HF Energy-207.998827
Nuclear repulsion energy121.593882
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 MP2/6-311G*
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' 3773 3586 43.53      
2 A' 3577 3400 3.78      
3 A' 3204 3045 10.84      
4 A' 3096 2942 5.52      
5 A' 1756 1668 180.25      
6 A' 1524 1448 25.65      
7 A' 1479 1405 68.69      
8 A' 1418 1348 0.12      
9 A' 1302 1238 109.76      
10 A' 1133 1077 192.03      
11 A' 1038 986 35.64      
12 A' 890 845 1.05      
13 A' 557 529 44.96      
14 A' 429 408 2.40      
15 A" 3182 3024 5.34      
16 A" 1510 1435 11.47      
17 A" 1088 1034 6.93      
18 A" 864 821 24.84      
19 A" 642 610 169.59      
20 A" 523 497 13.48      
21 A" 115 109 1.21      

Unscaled Zero Point Vibrational Energy (zpe) 16549.9 cm-1
Scaled (by 0.9503) Zero Point Vibrational Energy (zpe) 15727.4 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 MP2/6-311G*
ABC
0.36258 0.30956 0.17233

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/6-311G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.132 0.000
C2 0.941 -1.038 0.000
N3 0.249 1.383 0.000
O4 -1.288 -0.286 0.000
H5 1.980 -0.709 0.000
H6 0.756 -1.657 0.881
H7 0.756 -1.657 -0.881
H8 1.250 1.551 0.000
H9 -1.825 0.518 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 O4 H5 H6 H7 H8 H9
C11.50161.27551.35412.15112.13262.13261.89071.8652
C21.50162.51842.35211.08981.09201.09202.60743.1734
N31.27552.51842.26892.71573.20553.20551.01522.2467
O41.35412.35212.26893.29482.61392.61393.13290.9670
H52.15111.08982.71573.29481.78061.78062.37493.9975
H62.13261.09203.20552.61391.78061.76143.36273.4882
H72.13261.09203.20552.61391.78061.76143.36273.4882
H81.89072.60741.01523.13292.37493.36273.36273.2435
H91.86523.17342.24670.96703.99753.48823.48823.2435

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 111.222 C1 C2 H6 109.613
C1 C2 H7 109.613 C1 N3 H8 110.739
C1 O4 H9 105.729 C2 C1 N3 129.966
C2 C1 O4 110.793 N3 C1 O4 119.240
H5 C2 H6 109.399 H5 C2 H7 109.399
H6 C2 H7 107.518
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability