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All results from a given calculation for CH3C(OH)=NH (Ethaninidic acid)

using model chemistry: B3LYP/CEP-31G*

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/CEP-31G*
 hartrees
Energy at 0K-40.184945
Energy at 298.15K-40.191218
HF Energy-40.184945
Nuclear repulsion energy67.715160
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/CEP-31G*
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' 3737 3609 39.28      
2 A' 3513 3392 1.12      
3 A' 3156 3048 24.94      
4 A' 3065 2959 10.30      
5 A' 1732 1672 262.08      
6 A' 1484 1433 24.80      
7 A' 1441 1391 67.86      
8 A' 1379 1332 3.67      
9 A' 1273 1230 88.14      
10 A' 1105 1067 185.95      
11 A' 1006 972 34.49      
12 A' 862 832 0.41      
13 A' 535 516 41.05      
14 A' 407 393 1.58      
15 A" 3131 3024 16.27      
16 A" 1473 1423 9.90      
17 A" 1063 1026 8.49      
18 A" 830 802 24.43      
19 A" 613 592 143.60      
20 A" 516 498 24.90      
21 A" 130 125 0.85      

Unscaled Zero Point Vibrational Energy (zpe) 16224.8 cm-1
Scaled (by 0.9657) Zero Point Vibrational Energy (zpe) 15668.3 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/CEP-31G*
ABC
0.35449 0.30056 0.16783

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/CEP-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.135 0.000
C2 0.952 -1.058 0.000
N3 0.256 1.399 0.000
O4 -1.307 -0.282 0.000
H5 2.000 -0.723 0.000
H6 0.764 -1.682 0.890
H7 0.764 -1.682 -0.890
H8 1.270 1.549 0.000
H9 -1.842 0.538 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 O4 H5 H6 H7 H8 H9
C11.52641.28991.37192.17662.16292.16291.90121.8856
C21.52642.55442.38831.10081.10321.10322.62723.2177
N31.28992.55442.29542.74773.24753.24751.02592.2675
O41.37192.38832.29543.33652.65352.65353.16190.9793
H52.17661.10082.74773.33651.80021.80022.38704.0441
H62.16291.10323.24752.65351.80021.78093.39003.5373
H72.16291.10323.24752.65351.80021.78093.39003.5373
H81.90122.62721.02593.16192.38703.39003.39003.2727
H91.88563.21772.26750.97934.04413.53733.53733.2727

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 110.849 C1 C2 H6 109.622
C1 C2 H7 109.622 C1 N3 H8 109.840
C1 O4 H9 105.415 C2 C1 N3 130.001
C2 C1 O4 110.868 N3 C1 O4 119.131
H5 C2 H6 109.527 H5 C2 H7 109.527
H6 C2 H7 107.632
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/CEP-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.322      
2 C -0.381      
3 N -0.092      
4 O -0.346      
5 H 0.148      
6 H 0.167      
7 H 0.167      
8 H 0.250      
9 H 0.409      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.261 -1.089 0.000 1.666
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.936 -1.306 0.000
y -1.306 -27.244 0.000
z 0.000 0.000 -24.881
Traceless
 xyz
x 6.127 -1.306 0.000
y -1.306 -4.836 0.000
z 0.000 0.000 -1.291
Polar
3z2-r2-2.582
x2-y27.309
xy-1.306
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.190 0.157 0.000
y 0.157 5.913 0.000
z 0.000 0.000 3.223


<r2> (average value of r2) Å2
<r2> 64.657
(<r2>)1/2 8.041