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

using model chemistry: wB97X-D/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 wB97X-D/3-21G
 hartrees
Energy at 0K-207.966040
Energy at 298.15K-207.972290
HF Energy-207.966040
Nuclear repulsion energy120.863802
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 wB97X-D/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' 3602 3602 23.04      
2 A' 3479 3479 1.82      
3 A' 3200 3200 8.68      
4 A' 3107 3107 2.80      
5 A' 1774 1774 156.27      
6 A' 1544 1544 36.89      
7 A' 1472 1472 70.72      
8 A' 1447 1447 1.82      
9 A' 1257 1257 116.37      
10 A' 1093 1093 161.34      
11 A' 1028 1028 101.59      
12 A' 860 860 1.15      
13 A' 548 548 43.29      
14 A' 413 413 3.65      
15 A" 3178 3178 3.49      
16 A" 1540 1540 11.20      
17 A" 1118 1118 20.12      
18 A" 870 870 37.75      
19 A" 657 657 171.98      
20 A" 526 526 29.29      
21 A" 61 61 1.71      

Unscaled Zero Point Vibrational Energy (zpe) 16386.3 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 16386.3 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 wB97X-D/3-21G
ABC
0.35659 0.30779 0.17045

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/3-21G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.137 0.000
C2 1.018 -0.973 0.000
N3 0.153 1.396 0.000
O4 -1.272 -0.385 0.000
H5 2.033 -0.574 0.000
H6 0.869 -1.601 0.883
H7 0.869 -1.601 -0.883
H8 1.127 1.714 0.000
H9 -1.900 0.379 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 O4 H5 H6 H7 H8 H9
C11.50631.26771.37532.15412.13462.13461.93821.9151
C21.50632.52162.36451.09091.09371.09372.68943.2157
N31.26772.52162.28102.72293.20493.20491.02442.2911
O41.37532.36452.28103.31102.61622.61623.18780.9885
H52.15411.09092.72293.31101.78581.78582.46134.0469
H62.13461.09373.20492.61621.78581.76633.44033.5167
H72.13461.09373.20492.61621.78581.76633.44033.5167
H81.93822.68941.02443.18782.46133.44033.44033.3082
H91.91513.21572.29110.98854.04693.51673.51673.3082

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 111.065 C1 C2 H6 109.349
C1 C2 H7 109.349 C1 N3 H8 115.059
C1 O4 H9 107.093 C2 C1 N3 130.543
C2 C1 O4 110.198 N3 C1 O4 119.260
H5 C2 H6 109.656 H5 C2 H7 109.656
H6 C2 H7 107.699
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.528      
2 C -0.666      
3 N -0.652      
4 O -0.586      
5 H 0.216      
6 H 0.253      
7 H 0.253      
8 H 0.273      
9 H 0.380      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.378 -0.554 0.000 1.485
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.572 -0.642 0.000
y -0.642 -26.627 0.000
z 0.000 0.000 -24.413
Traceless
 xyz
x 5.948 -0.642 0.000
y -0.642 -4.635 0.000
z 0.000 0.000 -1.313
Polar
3z2-r2-2.626
x2-y27.055
xy-0.642
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.591 0.286 0.000
y 0.286 5.127 0.000
z 0.000 0.000 2.360


<r2> (average value of r2) Å2
<r2> 75.267
(<r2>)1/2 8.676