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

using model chemistry: mPW1PW91/6-31G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at mPW1PW91/6-31G**
 hartrees
Energy at 0K-209.149871
Energy at 298.15K-209.156232
HF Energy-209.149871
Nuclear repulsion energy121.934724
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 mPW1PW91/6-31G**
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' 3820 3634 47.75      
2 A' 3582 3409 1.37      
3 A' 3196 3041 10.62      
4 A' 3088 2938 4.72      
5 A' 1793 1706 233.43      
6 A' 1501 1428 30.46      
7 A' 1472 1401 75.48      
8 A' 1400 1332 0.15      
9 A' 1278 1216 103.86      
10 A' 1124 1069 180.26      
11 A' 1023 973 24.87      
12 A' 892 849 2.30      
13 A' 555 528 42.81      
14 A' 426 406 1.97      
15 A" 3166 3012 5.11      
16 A" 1486 1414 8.61      
17 A" 1076 1023 11.81      
18 A" 852 811 21.95      
19 A" 645 614 146.21      
20 A" 527 501 19.11      
21 A" 123 117 1.01      

Unscaled Zero Point Vibrational Energy (zpe) 16511.8 cm-1
Scaled (by 0.9515) Zero Point Vibrational Energy (zpe) 15711.0 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 mPW1PW91/6-31G**
ABC
0.36498 0.31123 0.17338

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/6-31G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.132 0.000
C2 0.915 -1.056 0.000
N3 0.281 1.369 0.000
O4 -1.292 -0.253 0.000
H5 1.961 -0.749 0.000
H6 0.720 -1.673 0.880
H7 0.720 -1.673 -0.880
H8 1.286 1.514 0.000
H9 -1.806 0.567 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 O4 H5 H6 H7 H8 H9
C11.49941.26871.34842.14962.13342.13341.88771.8577
C21.49942.50642.34881.08931.09251.09252.59613.1682
N31.26872.50642.25982.70363.19733.19731.01552.2359
O41.34842.34882.25983.29042.61522.61523.12560.9676
H52.14961.08932.70363.29041.77951.77952.36153.9900
H62.13341.09253.19732.61521.77951.75963.35433.4889
H72.13341.09253.19732.61521.77951.75963.35433.4889
H81.88772.59611.01553.12562.36153.35433.35433.2339
H91.85773.16822.23590.96763.99003.48893.48893.2339

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 111.288 C1 C2 H6 109.797
C1 C2 H7 109.797 C1 N3 H8 110.979
C1 O4 H9 105.482 C2 C1 N3 129.590
C2 C1 O4 111.021 N3 C1 O4 119.388
H5 C2 H6 109.295 H5 C2 H7 109.295
H6 C2 H7 107.279
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.479      
2 C -0.443      
3 N -0.601      
4 O -0.507      
5 H 0.144      
6 H 0.171      
7 H 0.171      
8 H 0.247      
9 H 0.340      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.070 -1.048 0.000 1.498
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.862 -1.409 0.000
y -1.409 -26.618 0.000
z 0.000 0.000 -24.475
Traceless
 xyz
x 5.684 -1.409 0.000
y -1.409 -4.449 0.000
z 0.000 0.000 -1.236
Polar
3z2-r2-2.471
x2-y26.756
xy-1.409
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.038 0.254 0.000
y 0.254 5.613 0.000
z 0.000 0.000 2.948


<r2> (average value of r2) Å2
<r2> 74.253
(<r2>)1/2 8.617