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: CID/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at CID/6-31G*
 hartrees
Energy at 0K-208.490161
Energy at 298.15K-208.496636
HF Energy-207.952568
Nuclear repulsion energy122.117948
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 CID/6-31G*
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' 3871 3576 67.38      
2 A' 3654 3376 2.37      
3 A' 3273 3023 12.33      
4 A' 3174 2932 4.57      
5 A' 1876 1733 243.74      
6 A' 1579 1458 23.75      
7 A' 1543 1425 79.39      
8 A' 1478 1365 3.66      
9 A' 1346 1243 104.78      
10 A' 1180 1090 193.63      
11 A' 1080 998 33.82      
12 A' 922 852 0.53      
13 A' 576 532 44.25      
14 A' 442 408 2.18      
15 A" 3251 3003 6.01      
16 A" 1562 1443 7.64      
17 A" 1135 1048 11.58      
18 A" 907 837 32.62      
19 A" 653 603 157.08      
20 A" 542 500 28.48      
21 A" 138 128 0.79      

Unscaled Zero Point Vibrational Energy (zpe) 17089.4 cm-1
Scaled (by 0.9237) Zero Point Vibrational Energy (zpe) 15785.5 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 CID/6-31G*
ABC
0.36530 0.31259 0.17385

See section I.F.4 to change rotational constant units
Geometric Data calculated at CID/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.134 0.000
C2 0.924 -1.046 0.000
N3 0.271 1.367 0.000
O4 -1.289 -0.265 0.000
H5 1.963 -0.729 0.000
H6 0.733 -1.659 0.879
H7 0.733 -1.659 -0.879
H8 1.270 1.524 0.000
H9 -1.823 0.542 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 O4 H5 H6 H7 H8 H9
C11.49861.26261.34962.14452.12712.12711.88321.8680
C21.49862.50002.34761.08641.08861.08862.59313.1728
N31.26262.50002.25742.69413.18523.18521.01212.2503
O41.34962.34762.25743.28582.60912.60913.12280.9666
H52.14451.08642.69413.28581.77551.77552.35693.9937
H62.12711.08863.18522.60911.77551.75753.34593.4854
H72.12711.08863.18522.60911.77551.75753.34593.4854
H81.88322.59311.01213.12282.35693.34593.34593.2456
H91.86803.17282.25030.96663.99373.48543.48543.2456

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 111.104 C1 C2 H6 109.580
C1 C2 H7 109.580 C1 N3 H8 111.290
C1 O4 H9 106.326 C2 C1 N3 129.551
C2 C1 O4 110.909 N3 C1 O4 119.540
H5 C2 H6 109.433 H5 C2 H7 109.433
H6 C2 H7 107.642
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability