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: mPW1PW91/6-311G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at mPW1PW91/6-311G*
 hartrees
Energy at 0K-209.187298
Energy at 298.15K-209.193669
HF Energy-209.187298
Nuclear repulsion energy122.131558
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 mPW1PW91/6-311G*
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' 3787 3615 33.11      
2 A' 3568 3405 1.52      
3 A' 3174 3030 15.59      
4 A' 3076 2936 7.02      
5 A' 1781 1699 245.56      
6 A' 1505 1436 27.48      
7 A' 1467 1400 69.67      
8 A' 1400 1336 0.01      
9 A' 1299 1240 115.62      
10 A' 1120 1069 189.17      
11 A' 1026 979 32.73      
12 A' 890 849 2.20      
13 A' 557 531 45.19      
14 A' 425 406 2.12      
15 A" 3145 3002 8.56      
16 A" 1491 1423 11.22      
17 A" 1082 1032 10.71      
18 A" 857 818 22.11      
19 A" 660 630 165.10      
20 A" 531 506 17.17      
21 A" 117 112 1.03      

Unscaled Zero Point Vibrational Energy (zpe) 16478.5 cm-1
Scaled (by 0.9544) Zero Point Vibrational Energy (zpe) 15727.1 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 mPW1PW91/6-311G*
ABC
0.36641 0.31203 0.17393

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/6-311G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.132 0.000
C2 0.923 -1.046 0.000
N3 0.268 1.368 0.000
O4 -1.288 -0.263 0.000
H5 1.967 -0.735 0.000
H6 0.734 -1.666 0.878
H7 0.734 -1.666 -0.878
H8 1.267 1.535 0.000
H9 -1.816 0.544 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 O4 H5 H6 H7 H8 H9
C11.49651.26471.34682.14922.13102.13101.89051.8623
C21.49652.50112.34531.08851.09151.09152.60323.1674
N31.26472.50112.25372.70353.19233.19231.01362.2406
O41.34682.34532.25373.28822.61242.61243.12410.9650
H52.14921.08852.70353.28821.77661.77662.37493.9931
H62.13101.09153.19232.61241.77661.75663.36103.4868
H72.13101.09153.19232.61241.77661.75663.36103.4868
H81.89052.60321.01363.12412.37493.36103.36103.2386
H91.86233.16742.24060.96503.99313.48683.48683.2386

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 111.514 C1 C2 H6 109.866
C1 C2 H7 109.866 C1 N3 H8 111.685
C1 O4 H9 106.147 C2 C1 N3 129.680
C2 C1 O4 111.041 N3 C1 O4 119.279
H5 C2 H6 109.167 H5 C2 H7 109.167
H6 C2 H7 107.157
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.368      
2 C -0.698      
3 N -0.586      
4 O -0.517      
5 H 0.231      
6 H 0.254      
7 H 0.254      
8 H 0.288      
9 H 0.407      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.160 -0.962 0.000 1.506
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.057 -1.311 0.000
y -1.311 -27.184 0.000
z 0.000 0.000 -24.855
Traceless
 xyz
x 5.962 -1.311 0.000
y -1.311 -4.727 0.000
z 0.000 0.000 -1.235
Polar
3z2-r2-2.469
x2-y27.126
xy-1.311
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.177 0.173 0.000
y 0.173 5.821 0.000
z 0.000 0.000 3.197


<r2> (average value of r2) Å2
<r2> 74.339
(<r2>)1/2 8.622