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

using model chemistry: mPW1PW91/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at mPW1PW91/3-21G
 hartrees
Energy at 0K-207.976172
Energy at 298.15K-207.982478
HF Energy-207.976172
Nuclear repulsion energy120.851365
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 mPW1PW91/3-21G
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' 3549 3388 19.09      
2 A' 3448 3291 1.58      
3 A' 3190 3045 8.92      
4 A' 3092 2951 2.88      
5 A' 1765 1685 147.78      
6 A' 1542 1472 36.17      
7 A' 1464 1398 66.74      
8 A' 1438 1373 3.27      
9 A' 1248 1191 110.07      
10 A' 1088 1039 153.82      
11 A' 1019 973 99.45      
12 A' 860 821 1.16      
13 A' 541 516 43.68      
14 A' 404 385 3.16      
15 A" 3159 3015 3.66      
16 A" 1538 1469 10.87      
17 A" 1115 1065 18.06      
18 A" 860 821 34.75      
19 A" 660 630 169.60      
20 A" 528 504 25.40      
21 A" 101 96 1.87      

Unscaled Zero Point Vibrational Energy (zpe) 16304.2 cm-1
Scaled (by 0.9546) Zero Point Vibrational Energy (zpe) 15564.0 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 mPW1PW91/3-21G
ABC
0.35667 0.30804 0.17054

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/3-21G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.138 0.000
C2 1.034 -0.953 0.000
N3 0.125 1.400 0.000
O4 -1.263 -0.411 0.000
H5 2.043 -0.539 0.000
H6 0.896 -1.584 0.882
H7 0.896 -1.584 -0.882
H8 1.094 1.736 0.000
H9 -1.903 0.349 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 O4 H5 H6 H7 H8 H9
C11.50291.26881.37712.15262.13212.13211.93741.9144
C21.50292.52262.36061.09071.09401.09402.68983.2124
N31.26882.52262.28182.72803.20633.20631.02622.2840
O41.37712.36062.28183.30912.61072.61073.18890.9929
H52.15261.09072.72803.30911.78591.78592.46544.0448
H62.13211.09403.20632.61071.78591.76473.44183.5136
H72.13211.09403.20632.61071.78591.76473.44183.5136
H81.93742.68981.02623.18892.46543.44183.44183.3027
H91.91443.21242.28400.99294.04483.51363.51363.3027

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 111.197 C1 C2 H6 109.365
C1 C2 H7 109.365 C1 N3 H8 114.767
C1 O4 H9 106.624 C2 C1 N3 130.865
C2 C1 O4 110.019 N3 C1 O4 119.116
H5 C2 H6 109.661 H5 C2 H7 109.661
H6 C2 H7 107.515
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.525      
2 C -0.678      
3 N -0.654      
4 O -0.580      
5 H 0.222      
6 H 0.257      
7 H 0.257      
8 H 0.273      
9 H 0.377      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.386 -0.529 0.000 1.484
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.660 -0.510 0.000
y -0.510 -26.619 0.000
z 0.000 0.000 -24.495
Traceless
 xyz
x 5.897 -0.510 0.000
y -0.510 -4.542 0.000
z 0.000 0.000 -1.355
Polar
3z2-r2-2.711
x2-y26.960
xy-0.510
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.664 0.250 0.000
y 0.250 5.190 0.000
z 0.000 0.000 2.366


<r2> (average value of r2) Å2
<r2> 75.265
(<r2>)1/2 8.676