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

using model chemistry: wB97X-D/6-31G(2df,p)

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/6-31G(2df,p)
 hartrees
Energy at 0K-209.145928
Energy at 298.15K 
HF Energy-209.145928
Nuclear repulsion energy122.007021
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/6-31G(2df,p)
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A' 3848 3848 53.14      
2 A' 3581 3581 2.89      
3 A' 3173 3173 11.39      
4 A' 3069 3069 5.48      
5 A' 1786 1786 232.55      
6 A' 1489 1489 39.78      
7 A' 1465 1465 61.33      
8 A' 1394 1394 0.09      
9 A' 1277 1277 97.35      
10 A' 1125 1125 178.82      
11 A' 1023 1023 24.33      
12 A' 885 885 2.37      
13 A' 559 559 39.94      
14 A' 430 430 1.84      
15 A" 3148 3148 5.74      
16 A" 1473 1473 7.54      
17 A" 1072 1072 10.25      
18 A" 853 853 21.65      
19 A" 643 643 123.08      
20 A" 530 530 20.25      
21 A" 23i 23i 0.62      

Unscaled Zero Point Vibrational Energy (zpe) 16398.9 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 16398.9 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/6-31G(2df,p)
ABC
0.36519 0.31149 0.17352

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/6-31G(2df,p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.133 0.000
C2 0.892 -1.076 0.000
N3 0.314 1.360 0.000
O4 -1.298 -0.222 0.000
H5 1.944 -0.790 0.000
H6 0.683 -1.689 0.881
H7 0.683 -1.689 -0.881
H8 1.322 1.480 0.000
H9 -1.797 0.603 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 O4 H5 H6 H7 H8 H9
C11.50251.26601.34542.15212.13582.13581.88721.8575
C21.50252.50332.35031.09021.09331.09332.59233.1699
N31.26602.50332.25802.69803.19443.19441.01492.2427
O41.34542.35032.25803.29122.61742.61743.12390.9639
H52.15211.09022.69803.29121.78141.78142.35443.9920
H62.13581.09333.19442.61741.78141.76223.35063.4895
H72.13581.09333.19442.61741.78141.76223.35063.4895
H81.88722.59231.01493.12392.35443.35063.35063.2400
H91.85753.16992.24270.96393.99203.48953.48953.2400

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 111.218 C1 C2 H6 109.726
C1 C2 H7 109.726 C1 N3 H8 111.186
C1 O4 H9 105.911 C2 C1 N3 129.235
C2 C1 O4 111.113 N3 C1 O4 119.652
H5 C2 H6 109.344 H5 C2 H7 109.344
H6 C2 H7 107.401
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.397      
2 C -0.500      
3 N -0.554      
4 O -0.403      
5 H 0.149      
6 H 0.171      
7 H 0.171      
8 H 0.244      
9 H 0.323      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.927 -1.125 0.000 1.457
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.904 -1.535 0.000
y -1.535 -26.484 0.000
z 0.000 0.000 -24.342
Traceless
 xyz
x 5.509 -1.535 0.000
y -1.535 -4.361 0.000
z 0.000 0.000 -1.148
Polar
3z2-r2-2.295
x2-y26.580
xy-1.535
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.219 0.228 0.000
y 0.228 5.705 0.000
z 0.000 0.000 3.320


<r2> (average value of r2) Å2
<r2> 74.171
(<r2>)1/2 8.612