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

using model chemistry: B2PLYP/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 B2PLYP/6-31G
 hartrees
Energy at 0K-208.834097
Energy at 298.15K-208.840444
HF Energy-208.691905
Nuclear repulsion energy120.189231
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 B2PLYP/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' 3616 3616 26.46      
2 A' 3499 3499 4.20      
3 A' 3180 3180 13.94      
4 A' 3083 3083 6.32      
5 A' 1725 1725 159.02      
6 A' 1547 1547 31.28      
7 A' 1480 1480 36.61      
8 A' 1436 1436 19.19      
9 A' 1251 1251 96.43      
10 A' 1099 1099 120.90      
11 A' 1029 1029 136.53      
12 A' 868 868 2.92      
13 A' 544 544 43.91      
14 A' 423 423 3.34      
15 A" 3160 3160 7.29      
16 A" 1535 1535 9.34      
17 A" 1121 1121 10.81      
18 A" 865 865 41.93      
19 A" 646 646 200.93      
20 A" 527 527 17.35      
21 A" 118 118 1.40      

Unscaled Zero Point Vibrational Energy (zpe) 16375.7 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 16375.7 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 B2PLYP/6-31G
ABC
0.35176 0.30449 0.16833

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/6-31G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.131 0.000
C2 1.057 -0.938 0.000
N3 0.104 1.412 0.000
O4 -1.269 -0.431 0.000
H5 2.056 -0.497 0.000
H6 0.944 -1.575 0.882
H7 0.944 -1.575 -0.882
H8 1.065 1.761 0.000
H9 -1.930 0.294 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 O4 H5 H6 H7 H8 H9
C11.50311.28501.38742.14932.13972.13971.94721.9373
C21.50312.53532.38031.09191.09401.09402.69913.2314
N31.28502.53532.29762.72933.22513.22511.02202.3215
O41.38742.38032.29763.32502.64262.64263.20140.9813
H52.14931.09192.72933.32501.78231.78232.46584.0637
H62.13971.09403.22512.64261.78231.76493.45273.5401
H72.13971.09403.22512.64261.78231.76493.45273.5401
H81.94722.69911.02203.20142.46583.45273.45273.3352
H91.93733.23142.32150.98134.06373.54013.54013.3352

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 110.843 C1 C2 H6 109.951
C1 C2 H7 109.951 C1 N3 H8 114.658
C1 O4 H9 108.528 C2 C1 N3 130.662
C2 C1 O4 110.807 N3 C1 O4 118.531
H5 C2 H6 109.248 H5 C2 H7 109.248
H6 C2 H7 107.532
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.386      
2 C -0.438      
3 N -0.522      
4 O -0.594      
5 H 0.147      
6 H 0.183      
7 H 0.183      
8 H 0.265      
9 H 0.390      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.622 -0.522 0.000 1.704
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.219 -0.495 0.000
y -0.495 -27.624 0.000
z 0.000 0.000 -24.993
Traceless
 xyz
x 6.090 -0.495 0.000
y -0.495 -5.018 0.000
z 0.000 0.000 -1.072
Polar
3z2-r2-2.144
x2-y27.405
xy-0.495
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.975 0.294 0.000
y 0.294 5.681 0.000
z 0.000 0.000 2.636


<r2> (average value of r2) Å2
<r2> 76.452
(<r2>)1/2 8.744