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: BLYP/Def2TZVPP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at BLYP/Def2TZVPP
 hartrees
Energy at 0K-209.223943
Energy at 298.15K-209.230194
HF Energy-209.223943
Nuclear repulsion energy120.707478
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 BLYP/Def2TZVPP
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' 3597 3597 31.54      
2 A' 3405 3405 2.51      
3 A' 3062 3062 12.84      
4 A' 2974 2974 7.77      
5 A' 1658 1658 207.82      
6 A' 1449 1449 25.34      
7 A' 1385 1385 39.81      
8 A' 1350 1350 8.26      
9 A' 1220 1220 81.50      
10 A' 1060 1060 143.56      
11 A' 979 979 80.14      
12 A' 833 833 1.68      
13 A' 534 534 34.47      
14 A' 412 412 1.72      
15 A" 3025 3025 7.26      
16 A" 1440 1440 7.91      
17 A" 1039 1039 4.55      
18 A" 813 813 23.17      
19 A" 617 617 112.83      
20 A" 511 511 16.29      
21 A" 121 121 0.52      

Unscaled Zero Point Vibrational Energy (zpe) 15742.8 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 15742.8 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 BLYP/Def2TZVPP
ABC
0.35675 0.30549 0.16978

See section I.F.4 to change rotational constant units
Geometric Data calculated at BLYP/Def2TZVPP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.133 0.000
C2 0.965 -1.029 0.000
N3 0.234 1.389 0.000
O4 -1.300 -0.305 0.000
H5 2.000 -0.679 0.000
H6 0.797 -1.659 0.883
H7 0.797 -1.659 -0.883
H8 1.237 1.586 0.000
H9 -1.855 0.501 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 O4 H5 H6 H7 H8 H9
C11.51071.27711.37172.15872.15062.15061.90861.8914
C21.51072.52622.37771.09331.09721.09722.62993.2084
N31.27712.52622.28462.71933.22223.22221.02302.2699
O41.37172.37772.28463.32122.64732.64733.16450.9784
H52.15871.09332.71933.32121.78561.78562.39004.0319
H62.15061.09723.22222.64731.78561.76623.39173.5320
H72.15061.09723.22222.64731.78561.76623.39173.5320
H81.90862.62991.02303.16452.39003.39173.39173.2777
H91.89143.20842.26990.97844.03193.53203.53203.2777

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 110.974 C1 C2 H6 110.091
C1 C2 H7 110.091 C1 N3 H8 111.682
C1 O4 H9 105.973 C2 C1 N3 129.773
C2 C1 O4 111.067 N3 C1 O4 119.160
H5 C2 H6 109.206 H5 C2 H7 109.206
H6 C2 H7 107.188
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/Def2TZVPP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.145      
2 C -0.227      
3 N -0.259      
4 O -0.267      
5 H 0.075      
6 H 0.102      
7 H 0.102      
8 H 0.132      
9 H 0.197      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.122 -1.026 0.000 1.520
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.872 -1.086 0.000
y -1.086 -27.727 0.000
z 0.000 0.000 -25.417
Traceless
 xyz
x 5.700 -1.086 0.000
y -1.086 -4.582 0.000
z 0.000 0.000 -1.117
Polar
3z2-r2-2.235
x2-y26.855
xy-1.086
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.242 0.079 0.000
y 0.079 6.832 0.000
z 0.000 0.000 4.141


<r2> (average value of r2) Å2
<r2> 76.133
(<r2>)1/2 8.725