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

using model chemistry: B3LYP/STO-3G

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/STO-3G
 hartrees
Energy at 0K-206.443582
Energy at 298.15K-206.449495
HF Energy-206.443582
Nuclear repulsion energy117.824098
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/STO-3G
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' 3694 3296 11.99      
2 A' 3486 3111 1.76      
3 A' 3482 3108 9.50      
4 A' 3307 2951 0.15      
5 A' 1775 1584 79.41      
6 A' 1659 1481 23.87      
7 A' 1578 1408 26.69      
8 A' 1539 1373 3.90      
9 A' 1373 1225 33.40      
10 A' 1203 1073 97.36      
11 A' 1068 953 16.35      
12 A' 873 779 0.93      
13 A' 490 438 25.13      
14 A' 388 346 1.14      
15 A" 3465 3093 0.04      
16 A" 1654 1476 4.30      
17 A" 1129 1007 7.38      
18 A" 859 767 21.70      
19 A" 668 596 91.39      
20 A" 496 443 0.60      
21 A" 64 57 0.15      

Unscaled Zero Point Vibrational Energy (zpe) 17124.2 cm-1
Scaled (by 0.8924) Zero Point Vibrational Energy (zpe) 15281.6 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/STO-3G
ABC
0.34486 0.28785 0.16173

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/STO-3G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.128 0.000
C2 1.023 -1.031 0.000
N3 0.178 1.436 0.000
O4 -1.324 -0.351 0.000
H5 2.049 -0.633 0.000
H6 0.883 -1.663 0.893
H7 0.883 -1.663 -0.893
H8 1.238 1.596 0.000
H9 -1.851 0.532 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 O4 H5 H6 H7 H8 H9
C11.54621.31991.40762.18582.18742.18741.92031.8944
C21.54622.60782.44341.10031.10231.10232.63643.2716
N31.31992.60782.33422.78943.30103.30101.07152.2214
O41.40762.44342.33423.38432.71822.71823.21751.0284
H52.18581.10032.78943.38431.79311.79312.37264.0701
H62.18741.10233.30102.71821.79311.78523.39783.6180
H72.18741.10233.30102.71821.79311.78523.39783.6180
H81.92032.63641.07153.21752.37263.39783.39783.2668
H91.89443.27162.22141.02844.07013.61803.61803.2668

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 110.219 C1 C2 H6 110.226
C1 C2 H7 110.226 C1 N3 H8 106.373
C1 O4 H9 100.947 C2 C1 N3 130.810
C2 C1 O4 111.532 N3 C1 O4 117.658
H5 C2 H6 108.994 H5 C2 H7 108.994
H6 C2 H7 108.136
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.167      
2 C -0.235      
3 N -0.341      
4 O -0.219      
5 H 0.085      
6 H 0.094      
7 H 0.094      
8 H 0.143      
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
  0.912 -0.867 0.000 1.258
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.192 -0.874 0.000
y -0.874 -25.325 0.000
z 0.000 0.000 -22.470
Traceless
 xyz
x 4.705 -0.874 0.000
y -0.874 -4.494 0.000
z 0.000 0.000 -0.212
Polar
3z2-r2-0.423
x2-y26.133
xy-0.874
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.411 0.290 0.000
y 0.290 3.474 0.000
z 0.000 0.000 1.218


<r2> (average value of r2) Å2
<r2> 77.436
(<r2>)1/2 8.800