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: M06-2X/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 M06-2X/6-311G*
 hartrees
Energy at 0K-209.152291
Energy at 298.15K-209.158658
HF Energy-209.152291
Nuclear repulsion energy122.021257
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 M06-2X/6-311G*
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A' 3817 3817 46.24      
2 A' 3568 3568 3.60      
3 A' 3182 3182 9.90      
4 A' 3079 3079 3.79      
5 A' 1802 1802 260.16      
6 A' 1506 1506 24.23      
7 A' 1468 1468 75.53      
8 A' 1398 1398 0.05      
9 A' 1300 1300 124.62      
10 A' 1116 1116 187.89      
11 A' 1028 1028 30.21      
12 A' 894 894 1.50      
13 A' 562 562 45.16      
14 A' 430 430 2.13      
15 A" 3148 3148 4.42      
16 A" 1492 1492 10.90      
17 A" 1084 1084 11.30      
18 A" 863 863 27.46      
19 A" 641 641 151.95      
20 A" 524 524 31.29      
21 A" 117 117 1.17      

Unscaled Zero Point Vibrational Energy (zpe) 16509.0 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 16509.0 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 M06-2X/6-311G*
ABC
0.36512 0.31189 0.17361

See section I.F.4 to change rotational constant units
Geometric Data calculated at M06-2X/6-311G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.135 0.000
C2 0.927 -1.045 0.000
N3 0.267 1.369 0.000
O4 -1.288 -0.267 0.000
H5 1.969 -0.732 0.000
H6 0.732 -1.661 0.880
H7 0.732 -1.661 -0.880
H8 1.269 1.533 0.000
H9 -1.828 0.535 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 O4 H5 H6 H7 H8 H9
C11.50071.26281.34942.15162.12952.12951.88801.8709
C21.50072.50302.34801.08841.09121.09122.60063.1758
N31.26282.50302.25722.70413.18943.18941.01542.2542
O41.34942.34802.25723.29052.60742.60743.12700.9667
H52.15161.08842.70413.29051.77991.77992.37034.0027
H62.12951.09123.18942.60741.77991.75903.35593.4855
H72.12951.09123.18942.60741.77991.75903.35593.4855
H81.88802.60061.01543.12702.37033.35593.35593.2532
H91.87093.17582.25420.96674.00273.48553.48553.2532

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 111.411 C1 C2 H6 109.475
C1 C2 H7 109.475 C1 N3 H8 111.474
C1 O4 H9 106.588 C2 C1 N3 129.648
C2 C1 O4 110.830 N3 C1 O4 119.522
H5 C2 H6 109.491 H5 C2 H7 109.491
H6 C2 H7 107.409
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at M06-2X/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.380      
2 C -0.715      
3 N -0.584      
4 O -0.536      
5 H 0.234      
6 H 0.259      
7 H 0.259      
8 H 0.291      
9 H 0.413      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.208 -0.928 0.000 1.523
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.239 -1.364 0.000
y -1.364 -27.390 0.000
z 0.000 0.000 -25.060
Traceless
 xyz
x 5.986 -1.364 0.000
y -1.364 -4.740 0.000
z 0.000 0.000 -1.245
Polar
3z2-r2-2.491
x2-y27.151
xy-1.364
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.091 0.185 0.000
y 0.185 5.765 0.000
z 0.000 0.000 3.168


<r2> (average value of r2) Å2
<r2> 74.557
(<r2>)1/2 8.635