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: B3LYP/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 B3LYP/Def2TZVPP
 hartrees
Energy at 0K-209.293158
Energy at 298.15K-209.299518
HF Energy-209.293158
Nuclear repulsion energy121.812628
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 B3LYP/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' 3753 3612 50.59      
2 A' 3525 3393 4.83      
3 A' 3140 3022 11.71      
4 A' 3048 2934 6.00      
5 A' 1734 1669 239.23      
6 A' 1485 1429 24.35      
7 A' 1436 1383 59.06      
8 A' 1391 1339 4.69      
9 A' 1259 1212 90.21      
10 A' 1099 1058 169.51      
11 A' 1016 978 56.92      
12 A' 869 837 1.42      
13 A' 552 531 38.18      
14 A' 427 411 1.71      
15 A" 3104 2988 5.99      
16 A" 1475 1420 8.40      
17 A" 1072 1032 6.28      
18 A" 843 811 26.15      
19 A" 632 608 114.66      
20 A" 527 508 24.29      
21 A" 131 126 0.49      

Unscaled Zero Point Vibrational Energy (zpe) 16258.0 cm-1
Scaled (by 0.9626) Zero Point Vibrational Energy (zpe) 15649.9 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 B3LYP/Def2TZVPP
ABC
0.36315 0.31116 0.17292

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/Def2TZVPP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.132 0.000
C2 0.925 -1.049 0.000
N3 0.277 1.367 0.000
O4 -1.297 -0.260 0.000
H5 1.964 -0.731 0.000
H6 0.737 -1.668 0.878
H7 0.737 -1.668 -0.878
H8 1.278 1.529 0.000
H9 -1.830 0.548 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 O4 H5 H6 H7 H8 H9
C11.50021.26531.35472.14562.13412.13411.89341.8761
C21.50022.50122.35751.08691.09061.09062.60243.1837
N31.26532.50122.26322.69233.19253.19251.01412.2601
O41.35472.35752.26323.29482.62482.62483.13520.9674
H52.14561.08692.69233.29481.77621.77622.36244.0035
H62.13411.09063.19252.62481.77621.75653.35943.5023
H72.13411.09063.19252.62481.77621.75653.35943.5023
H81.89342.60241.01413.13522.36243.35943.35943.2588
H91.87613.18372.26010.96744.00353.50233.50233.2588

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 111.052 C1 C2 H6 109.909
C1 C2 H7 109.909 C1 N3 H8 111.862
C1 O4 H9 106.603 C2 C1 N3 129.303
C2 C1 O4 111.236 N3 C1 O4 119.461
H5 C2 H6 109.309 H5 C2 H7 109.309
H6 C2 H7 107.270
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/Def2TZVPP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.179      
2 C -0.228      
3 N -0.292      
4 O -0.289      
5 H 0.076      
6 H 0.104      
7 H 0.104      
8 H 0.138      
9 H 0.207      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.101 -1.105 0.000 1.560
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.623 -1.341 0.000
y -1.341 -27.515 0.000
z 0.000 0.000 -25.197
Traceless
 xyz
x 5.733 -1.341 0.000
y -1.341 -4.605 0.000
z 0.000 0.000 -1.128
Polar
3z2-r2-2.256
x2-y26.892
xy-1.341
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.874 0.129 0.000
y 0.129 6.530 0.000
z 0.000 0.000 4.019


<r2> (average value of r2) Å2
<r2> 74.916
(<r2>)1/2 8.655