return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

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

using model chemistry: B2PLYP=FULL/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 B2PLYP=FULL/6-311G**
 hartrees
Energy at 0K-209.078360
Energy at 298.15K-209.084713
HF Energy-208.836827
Nuclear repulsion energy121.702917
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 B2PLYP=FULL/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' 3791 3791 49.55      
2 A' 3550 3550 2.70      
3 A' 3169 3169 13.47      
4 A' 3072 3072 6.55      
5 A' 1746 1746 208.38      
6 A' 1501 1501 22.73      
7 A' 1457 1457 62.28      
8 A' 1399 1399 0.57      
9 A' 1279 1279 99.23      
10 A' 1114 1114 177.37      
11 A' 1023 1023 45.09      
12 A' 878 878 1.42      
13 A' 553 553 42.22      
14 A' 424 424 1.75      
15 A" 3141 3141 7.82      
16 A" 1488 1488 9.36      
17 A" 1078 1078 6.58      
18 A" 848 848 22.84      
19 A" 630 630 132.99      
20 A" 518 518 19.00      
21 A" 122 122 1.00      

Unscaled Zero Point Vibrational Energy (zpe) 16389.2 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 16389.2 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 B2PLYP=FULL/6-311G**
ABC
0.36296 0.31022 0.17261

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULL/6-311G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.133 0.000
C2 0.931 -1.046 0.000
N3 0.265 1.375 0.000
O4 -1.293 -0.271 0.000
H5 1.971 -0.724 0.000
H6 0.742 -1.663 0.880
H7 0.742 -1.663 -0.880
H8 1.268 1.529 0.000
H9 -1.816 0.542 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 O4 H5 H6 H7 H8 H9
C11.50231.27011.35512.14962.13302.13301.88641.8615
C21.50232.51122.35591.08861.09141.09142.59733.1733
N31.27012.51122.26652.70563.19863.19861.01542.2411
O41.35512.35592.26653.29612.61822.61823.13110.9665
H52.14961.08862.70563.29611.77961.77962.36083.9934
H62.13301.09143.19862.61821.77961.76063.35293.4899
H72.13301.09143.19862.61821.77961.76063.35293.4899
H81.88642.59731.01543.13112.36083.35293.35293.2383
H91.86153.17332.24110.96653.99343.48993.48993.2383

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 111.126 C1 C2 H6 109.627
C1 C2 H7 109.627 C1 N3 H8 110.765
C1 O4 H9 105.385 C2 C1 N3 129.665
C2 C1 O4 110.970 N3 C1 O4 119.364
H5 C2 H6 109.433 H5 C2 H7 109.433
H6 C2 H7 107.521
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability