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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-209.111758
Energy at 298.15K-209.118099
HF Energy-209.111758
Nuclear repulsion energy121.611580
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
(Å4/u)
Dep P Dep U
1 A' 3715 3554 40.90      
2 A' 3530 3377 0.66      
3 A' 3176 3039 12.25      
4 A' 3074 2941 5.52      
5 A' 1777 1700 227.04      
6 A' 1510 1444 26.65      
7 A' 1470 1406 72.94      
8 A' 1407 1347 0.82      
9 A' 1283 1227 99.85      
10 A' 1123 1074 178.55      
11 A' 1024 980 29.50      
12 A' 885 847 2.11      
13 A' 551 528 42.07      
14 A' 423 405 1.93      
15 A" 3146 3010 6.11      
16 A" 1496 1431 8.74      
17 A" 1080 1033 11.62      
18 A" 851 814 22.18      
19 A" 647 619 151.23      
20 A" 525 503 16.85      
21 A" 122 117 1.00      

Unscaled Zero Point Vibrational Energy (zpe) 16407.7 cm-1
Scaled (by 0.9567) Zero Point Vibrational Energy (zpe) 15697.2 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
0.36347 0.30944 0.17251

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 0.922 -1.054 0.000
N3 0.274 1.374 0.000
O4 -1.294 -0.260 0.000
H5 1.969 -0.742 0.000
H6 0.732 -1.675 0.882
H7 0.732 -1.675 -0.882
H8 1.281 1.526 0.000
H9 -1.813 0.565 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 O4 H5 H6 H7 H8 H9
C11.50251.27161.35222.15412.13992.13991.89331.8637
C21.50252.51292.35451.09211.09521.09522.60493.1782
N31.27162.51292.26452.71083.20673.20671.01872.2383
O41.35222.35452.26453.29842.62422.62423.13390.9739
H52.15411.09212.71083.29841.78271.78272.36974.0009
H62.13991.09523.20672.62421.78271.76383.36533.5028
H72.13991.09523.20672.62421.78271.76383.36533.5028
H81.89332.60491.01873.13392.36973.36533.36533.2400
H91.86373.17822.23830.97394.00093.50283.50283.2400

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 111.256 C1 C2 H6 109.938
C1 C2 H7 109.938 C1 N3 H8 111.034
C1 O4 H9 105.335 C2 C1 N3 129.687
C2 C1 O4 111.023 N3 C1 O4 119.290
H5 C2 H6 109.178 H5 C2 H7 109.178
H6 C2 H7 107.262
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 0.479      
2 C -0.573      
3 N -0.645      
4 O -0.586      
5 H 0.182      
6 H 0.207      
7 H 0.207      
8 H 0.304      
9 H 0.425      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.089 -1.014 0.000 1.488
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.862 -1.362 0.000
y -1.362 -26.707 0.000
z 0.000 0.000 -24.530
Traceless
 xyz
x 5.756 -1.362 0.000
y -1.362 -4.511 0.000
z 0.000 0.000 -1.245
Polar
3z2-r2-2.490
x2-y26.845
xy-1.362
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.040 0.253 0.000
y 0.253 5.618 0.000
z 0.000 0.000 2.913


<r2> (average value of r2) Å2
<r2> 74.593
(<r2>)1/2 8.637