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: B3LYPultrafine/cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B3LYPultrafine/cc-pVTZ
 hartrees
Energy at 0K-209.283565
Energy at 298.15K-209.289941
HF Energy-209.283565
Nuclear repulsion energy121.805891
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 B3LYPultrafine/cc-pVTZ
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' 3742 3617 47.05      
2 A' 3519 3402 3.62      
3 A' 3135 3031 12.40      
4 A' 3044 2943 6.29      
5 A' 1738 1680 230.22      
6 A' 1486 1437 24.85      
7 A' 1438 1390 60.27      
8 A' 1391 1345 2.87      
9 A' 1262 1220 89.72      
10 A' 1103 1066 172.30      
11 A' 1017 983 53.82      
12 A' 868 840 1.60      
13 A' 552 534 37.67      
14 A' 426 412 1.88      
15 A" 3099 2996 6.86      
16 A" 1475 1426 8.09      
17 A" 1073 1037 6.99      
18 A" 845 817 25.06      
19 A" 632 611 112.56      
20 A" 526 508 23.78      
21 A" 133 128 0.58      

Unscaled Zero Point Vibrational Energy (zpe) 16251.9 cm-1
Scaled (by 0.9667) Zero Point Vibrational Energy (zpe) 15710.8 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 B3LYPultrafine/cc-pVTZ
ABC
0.36306 0.31119 0.17291

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYPultrafine/cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.133 0.000
C2 0.925 -1.049 0.000
N3 0.277 1.367 0.000
O4 -1.297 -0.261 0.000
H5 1.964 -0.732 0.000
H6 0.736 -1.668 0.878
H7 0.736 -1.668 -0.878
H8 1.279 1.526 0.000
H9 -1.826 0.550 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 O4 H5 H6 H7 H8 H9
C11.50041.26531.35522.14602.13412.13411.89081.8729
C21.50042.50162.35731.08691.09061.09062.59873.1816
N31.26532.50162.26412.69333.19273.19271.01452.2555
O41.35522.35732.26413.29502.62392.62393.13430.9681
H52.14601.08692.69333.29501.77621.77622.35914.0010
H62.13411.09063.19272.62391.77621.75603.35593.5007
H72.13411.09063.19272.62391.77621.75603.35593.5007
H81.89082.59871.01453.13432.35913.35593.35593.2540
H91.87293.18162.25550.96814.00103.50073.50073.2540

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 111.079 C1 C2 H6 109.897
C1 C2 H7 109.897 C1 N3 H8 111.601
C1 O4 H9 106.246 C2 C1 N3 129.323
C2 C1 O4 111.182 N3 C1 O4 119.496
H5 C2 H6 109.322 H5 C2 H7 109.322
H6 C2 H7 107.240
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYPultrafine/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.176      
2 C -0.279      
3 N -0.296      
4 O -0.269      
5 H 0.095      
6 H 0.113      
7 H 0.113      
8 H 0.135      
9 H 0.211      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.067 -1.055 0.000 1.501
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.542 -1.319 0.000
y -1.319 -27.263 0.000
z 0.000 0.000 -25.024
Traceless
 xyz
x 5.601 -1.319 0.000
y -1.319 -4.480 0.000
z 0.000 0.000 -1.121
Polar
3z2-r2-2.242
x2-y26.720
xy-1.319
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.762 0.104 0.000
y 0.104 6.318 0.000
z 0.000 0.000 3.808


<r2> (average value of r2) Å2
<r2> 74.802
(<r2>)1/2 8.649