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

using model chemistry: B3LYP/CEP-121G

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-121G
 hartrees
Energy at 0K-40.127125
Energy at 298.15K-40.133426
HF Energy-40.127125
Nuclear repulsion energy67.253730
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-121G
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A' 3622 3530 21.40      
2 A' 3442 3355 10.78      
3 A' 3121 3042 21.95      
4 A' 3014 2937 11.13      
5 A' 1668 1626 184.41      
6 A' 1504 1466 38.79      
7 A' 1441 1404 39.60      
8 A' 1389 1353 13.89      
9 A' 1219 1188 93.98      
10 A' 1068 1041 130.51      
11 A' 1002 977 141.16      
12 A' 844 823 1.22      
13 A' 518 505 45.74      
14 A' 408 397 3.56      
15 A" 3099 3020 14.63      
16 A" 1493 1455 12.67      
17 A" 1089 1061 7.21      
18 A" 839 817 45.34      
19 A" 625 609 190.19      
20 A" 512 499 17.17      
21 A" 126 123 1.43      

Unscaled Zero Point Vibrational Energy (zpe) 16020.9 cm-1
Scaled (by 0.9745) Zero Point Vibrational Energy (zpe) 15612.4 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-121G
ABC
0.34702 0.29841 0.16540

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/CEP-121G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.132 0.000
C2 1.075 -0.941 0.000
N3 0.093 1.425 0.000
O4 -1.277 -0.441 0.000
H5 2.072 -0.491 0.000
H6 0.964 -1.580 0.884
H7 0.964 -1.580 -0.884
H8 1.059 1.775 0.000
H9 -1.945 0.282 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 O4 H5 H6 H7 H8 H9
C11.51871.29661.39952.16372.15422.15421.95451.9505
C21.51872.56172.40481.09421.09631.09632.71553.2581
N31.29662.56172.31472.75453.25113.25111.02732.3363
O41.39952.40482.31473.34972.66522.66523.21930.9840
H52.16371.09422.75453.34971.78761.78762.48144.0907
H62.15421.09633.25112.66521.78761.76823.47013.5653
H72.15421.09633.25112.66521.78761.76823.47013.5653
H81.95452.71551.02733.21932.48143.47013.47013.3540
H91.95053.25812.33630.98404.09073.56533.56533.3540

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 110.757 C1 C2 H6 109.878
C1 C2 H7 109.878 C1 N3 H8 113.999
C1 O4 H9 108.587 C2 C1 N3 130.825
C2 C1 O4 110.923 N3 C1 O4 118.252
H5 C2 H6 109.383 H5 C2 H7 109.383
H6 C2 H7 107.498
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/CEP-121G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.013      
2 C -0.562      
3 N -0.172      
4 O -0.383      
5 H 0.151      
6 H 0.186      
7 H 0.186      
8 H 0.234      
9 H 0.372      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.768 -0.642 0.000 1.881
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.187 -0.411 0.000
y -0.411 -28.060 0.000
z 0.000 0.000 -25.349
Traceless
 xyz
x 6.518 -0.411 0.000
y -0.411 -5.292 0.000
z 0.000 0.000 -1.226
Polar
3z2-r2-2.451
x2-y27.873
xy-0.411
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.473 0.193 0.000
y 0.193 6.318 0.000
z 0.000 0.000 3.377


<r2> (average value of r2) Å2
<r2> 65.785
(<r2>)1/2 8.111