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

using model chemistry: PBEPBE/daug-cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at PBEPBE/daug-cc-pVTZ
 hartrees
Energy at 0K-209.035878
Energy at 298.15K-209.042106
HF Energy-209.035878
Nuclear repulsion energy121.114088
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 PBEPBE/daug-cc-pVTZ
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' 3610 3610 35.60      
2 A' 3432 3432 4.74      
3 A' 3080 3080 8.63      
4 A' 2981 2981 5.73      
5 A' 1675 1675 223.80      
6 A' 1430 1430 24.25      
7 A' 1383 1383 58.60      
8 A' 1333 1333 0.69      
9 A' 1213 1213 84.51      
10 A' 1061 1061 158.69      
11 A' 975 975 47.33      
12 A' 851 851 1.86      
13 A' 531 531 37.14      
14 A' 409 409 1.74      
15 A" 3042 3042 3.95      
16 A" 1419 1419 9.07      
17 A" 1024 1024 4.80      
18 A" 810 810 21.84      
19 A" 616 616 107.09      
20 A" 511 511 17.56      
21 A" 117 117 0.43      

Unscaled Zero Point Vibrational Energy (zpe) 15750.0 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 15750.0 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 PBEPBE/daug-cc-pVTZ
ABC
0.35969 0.30785 0.17118

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/daug-cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.130 0.000
C2 0.953 -1.031 0.000
N3 0.241 1.384 0.000
O4 -1.296 -0.295 0.000
H5 1.992 -0.686 0.000
H6 0.779 -1.660 0.884
H7 0.779 -1.660 -0.884
H8 1.247 1.568 0.000
H9 -1.836 0.521 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 O4 H5 H6 H7 H8 H9
C11.50171.27681.36352.15282.14292.14291.90401.8770
C21.50172.51722.36621.09471.09891.09892.61583.1915
N31.27682.51722.27552.71133.21493.21491.02332.2485
O41.36352.36622.27553.31112.63632.63633.15250.9784
H52.15281.09472.71133.31111.78921.78922.37454.0137
H62.14291.09893.21492.63631.78921.76763.37993.5180
H72.14291.09893.21492.63631.78921.76763.37993.5180
H81.90402.61581.02333.15252.37453.37993.37993.2559
H91.87703.19152.24850.97844.01373.51803.51803.2559

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 111.049 C1 C2 H6 110.007
C1 C2 H7 110.007 C1 N3 H8 111.276
C1 O4 H9 105.352 C2 C1 N3 129.736
C2 C1 O4 111.252 N3 C1 O4 119.012
H5 C2 H6 109.302 H5 C2 H7 109.302
H6 C2 H7 107.084
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/daug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.834      
2 C -0.206      
3 N -0.932      
4 O -0.748      
5 H 0.210      
6 H 0.233      
7 H 0.233      
8 H 0.123      
9 H 0.252      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.120 -1.127 0.000 1.589
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.869 -1.165 0.000
y -1.165 -27.712 0.000
z 0.000 0.000 -25.486
Traceless
 xyz
x 5.730 -1.165 0.000
y -1.165 -4.534 0.000
z 0.000 0.000 -1.196
Polar
3z2-r2-2.391
x2-y26.843
xy-1.165
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.731 0.028 0.000
y 0.028 7.386 0.000
z 0.000 0.000 4.718


<r2> (average value of r2) Å2
<r2> 75.664
(<r2>)1/2 8.699