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

using model chemistry: B3PW91/6-31G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B3PW91/6-31G**
 hartrees
Energy at 0K-209.124774
Energy at 298.15K-209.131117
HF Energy-209.124774
Nuclear repulsion energy121.692084
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 B3PW91/6-31G**
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' 3785 3627 42.88      
2 A' 3553 3406 1.01      
3 A' 3177 3044 11.35      
4 A' 3070 2942 5.21      
5 A' 1774 1701 226.18      
6 A' 1493 1431 27.89      
7 A' 1460 1400 73.87      
8 A' 1392 1334 0.26      
9 A' 1269 1217 102.02      
10 A' 1115 1068 178.54      
11 A' 1016 974 27.13      
12 A' 883 847 2.37      
13 A' 551 528 42.13      
14 A' 424 406 1.98      
15 A" 3146 3015 5.79      
16 A" 1479 1417 8.37      
17 A" 1069 1024 11.27      
18 A" 845 810 21.15      
19 A" 642 615 145.31      
20 A" 524 502 18.15      
21 A" 123 118 1.01      

Unscaled Zero Point Vibrational Energy (zpe) 16394.4 cm-1
Scaled (by 0.9584) Zero Point Vibrational Energy (zpe) 15712.4 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 B3PW91/6-31G**
ABC
0.36361 0.30994 0.17268

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/6-31G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.132 0.000
C2 0.920 -1.055 0.000
N3 0.277 1.373 0.000
O4 -1.294 -0.258 0.000
H5 1.966 -0.745 0.000
H6 0.728 -1.675 0.881
H7 0.728 -1.675 -0.881
H8 1.283 1.521 0.000
H9 -1.810 0.563 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 O4 H5 H6 H7 H8 H9
C11.50191.27121.35162.15292.13772.13771.89101.8608
C21.50192.51162.35351.09091.09411.09412.60133.1740
N31.27122.51162.26432.70913.20413.20411.01762.2383
O41.35162.35352.26433.29652.62132.62133.13180.9700
H52.15291.09092.70913.29651.78161.78162.36643.9965
H62.13771.09413.20412.62131.78161.76193.36093.4965
H72.13771.09413.20412.62131.78161.76193.36093.4965
H81.89102.60131.01763.13182.36643.36093.36093.2383
H91.86083.17402.23830.97003.99653.49653.49653.2383

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 111.278 C1 C2 H6 109.865
C1 C2 H7 109.865 C1 N3 H8 110.939
C1 O4 H9 105.366 C2 C1 N3 129.642
C2 C1 O4 111.017 N3 C1 O4 119.341
H5 C2 H6 109.247 H5 C2 H7 109.247
H6 C2 H7 107.249
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.473      
2 C -0.436      
3 N -0.596      
4 O -0.502      
5 H 0.141      
6 H 0.168      
7 H 0.168      
8 H 0.244      
9 H 0.338      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.062 -1.033 0.000 1.481
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.869 -1.386 0.000
y -1.386 -26.619 0.000
z 0.000 0.000 -24.480
Traceless
 xyz
x 5.680 -1.386 0.000
y -1.386 -4.444 0.000
z 0.000 0.000 -1.236
Polar
3z2-r2-2.473
x2-y26.750
xy-1.386
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.099 0.247 0.000
y 0.247 5.657 0.000
z 0.000 0.000 2.962


<r2> (average value of r2) Å2
<r2> 74.492
(<r2>)1/2 8.631