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

using model chemistry: PBE1PBE/6-31G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at PBE1PBE/6-31G**
 hartrees
Energy at 0K-208.951599
Energy at 298.15K-208.957974
HF Energy-208.951599
Nuclear repulsion energy121.841275
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 PBE1PBE/6-31G**
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' 3743 3568 45.52      
2 A' 3557 3390 0.93      
3 A' 3194 3044 10.54      
4 A' 3089 2944 4.51      
5 A' 1797 1712 233.85      
6 A' 1513 1442 28.98      
7 A' 1480 1411 75.50      
8 A' 1410 1344 0.13      
9 A' 1291 1231 102.93      
10 A' 1132 1079 179.74      
11 A' 1028 980 24.57      
12 A' 895 853 2.14      
13 A' 555 529 42.98      
14 A' 425 405 1.93      
15 A" 3164 3015 4.75      
16 A" 1498 1427 9.15      
17 A" 1083 1032 12.31      
18 A" 856 816 22.33      
19 A" 651 620 151.82      
20 A" 528 503 17.10      
21 A" 125 119 1.03      

Unscaled Zero Point Vibrational Energy (zpe) 16506.8 cm-1
Scaled (by 0.9531) Zero Point Vibrational Energy (zpe) 15732.7 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 PBE1PBE/6-31G**
ABC
0.36482 0.31077 0.17322

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/6-31G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.132 0.000
C2 0.915 -1.057 0.000
N3 0.281 1.370 0.000
O4 -1.292 -0.253 0.000
H5 1.963 -0.750 0.000
H6 0.720 -1.676 0.882
H7 0.720 -1.676 -0.882
H8 1.288 1.515 0.000
H9 -1.806 0.573 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 O4 H5 H6 H7 H8 H9
C11.49951.26961.34852.15132.13632.13631.89001.8588
C21.49952.50792.34901.09171.09481.09482.59833.1712
N31.26962.50792.26022.70573.20123.20121.01752.2333
O41.34852.34902.26023.29272.61802.61803.12790.9724
H52.15131.09172.70573.29271.78261.78262.36293.9936
H62.13631.09483.20122.61801.78261.76313.35863.4952
H72.13631.09483.20122.61801.78261.76313.35863.4952
H81.89002.59831.01753.12792.36293.35863.35863.2336
H91.85883.17122.23330.97243.99363.49523.49523.2336

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 111.272 C1 C2 H6 109.877
C1 C2 H7 109.877 C1 N3 H8 110.969
C1 O4 H9 105.275 C2 C1 N3 129.630
C2 C1 O4 111.024 N3 C1 O4 119.346
H5 C2 H6 109.232 H5 C2 H7 109.232
H6 C2 H7 107.260
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.477      
2 C -0.584      
3 N -0.647      
4 O -0.590      
5 H 0.186      
6 H 0.211      
7 H 0.211      
8 H 0.307      
9 H 0.428      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.085 -1.031 0.000 1.496
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.922 -1.392 0.000
y -1.392 -26.751 0.000
z 0.000 0.000 -24.583
Traceless
 xyz
x 5.745 -1.392 0.000
y -1.392 -4.499 0.000
z 0.000 0.000 -1.246
Polar
3z2-r2-2.492
x2-y26.830
xy-1.392
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.998 0.257 0.000
y 0.257 5.586 0.000
z 0.000 0.000 2.905


<r2> (average value of r2) Å2
<r2> 74.387
(<r2>)1/2 8.625