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

using model chemistry: HF/6-311G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at HF/6-311G**
 hartrees
Energy at 0K-208.016673
Energy at 298.15K-208.023260
HF Energy-208.016673
Nuclear repulsion energy122.967241
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 HF/6-311G**
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' 4129 3751 95.18      
2 A' 3778 3432 7.06      
3 A' 3275 2975 22.40      
4 A' 3187 2895 8.73      
5 A' 1916 1740 335.12      
6 A' 1602 1456 25.63      
7 A' 1573 1429 82.41      
8 A' 1505 1367 7.33      
9 A' 1386 1259 108.04      
10 A' 1208 1098 204.52      
11 A' 1109 1008 44.05      
12 A' 933 847 0.61      
13 A' 599 544 45.58      
14 A' 457 415 1.77      
15 A" 3251 2953 14.47      
16 A" 1590 1445 7.76      
17 A" 1170 1063 11.23      
18 A" 930 845 34.29      
19 A" 666 605 129.48      
20 A" 555 504 50.57      
21 A" 147 133 0.68      

Unscaled Zero Point Vibrational Energy (zpe) 17481.9 cm-1
Scaled (by 0.9085) Zero Point Vibrational Energy (zpe) 15882.3 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 HF/6-311G**
ABC
0.37060 0.31541 0.17589

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/6-311G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.137 0.000
C2 0.878 -1.080 0.000
N3 0.330 1.341 0.000
O4 -1.293 -0.201 0.000
H5 1.925 -0.809 0.000
H6 0.659 -1.681 0.876
H7 0.659 -1.681 -0.876
H8 1.323 1.455 0.000
H9 -1.800 0.596 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 O4 H5 H6 H7 H8 H9
C11.50061.24841.33622.14462.12292.12291.86781.8576
C21.50062.48242.34201.08181.08441.08442.57403.1593
N31.24842.48242.23842.67683.16373.16371.00022.2562
O41.33622.34202.23843.27472.60152.60153.09630.9449
H52.14461.08182.67683.27471.76941.76942.34213.9810
H62.12291.08443.16372.60151.76941.75143.32323.4641
H72.12291.08443.16372.60151.76941.75143.32323.4641
H81.86782.57401.00023.09632.34213.32323.32323.2393
H91.85763.15932.25620.94493.98103.46413.46413.2393

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 111.261 C1 C2 H6 109.358
C1 C2 H7 109.358 C1 N3 H8 111.861
C1 O4 H9 107.816 C2 C1 N3 128.880
C2 C1 O4 111.157 N3 C1 O4 119.964
H5 C2 H6 109.540 H5 C2 H7 109.540
H6 C2 H7 107.713
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.341      
2 C -0.213      
3 N -0.492      
4 O -0.418      
5 H 0.099      
6 H 0.123      
7 H 0.123      
8 H 0.168      
9 H 0.270      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.164 -1.208 0.000 1.678
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.399 -1.765 0.000
y -1.765 -27.420 0.000
z 0.000 0.000 -24.807
Traceless
 xyz
x 5.715 -1.765 0.000
y -1.765 -4.817 0.000
z 0.000 0.000 -0.898
Polar
3z2-r2-1.795
x2-y27.022
xy-1.765
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.758 0.271 0.000
y 0.271 5.507 0.000
z 0.000 0.000 3.171


<r2> (average value of r2) Å2
<r2> 73.779
(<r2>)1/2 8.589