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

using model chemistry: mPW1PW91/6-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at mPW1PW91/6-31G
 hartrees
Energy at 0K-209.066167
Energy at 298.15K-209.072538
HF Energy-209.066167
Nuclear repulsion energy120.953104
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 mPW1PW91/6-31G
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' 3675 3478 29.60      
2 A' 3545 3356 4.63      
3 A' 3201 3030 11.54      
4 A' 3091 2926 4.93      
5 A' 1770 1676 193.31      
6 A' 1531 1449 31.16      
7 A' 1476 1397 65.02      
8 A' 1436 1360 4.47      
9 A' 1254 1187 110.86      
10 A' 1094 1035 159.58      
11 A' 1036 980 90.54      
12 A' 890 843 1.30      
13 A' 550 521 46.47      
14 A' 424 401 3.34      
15 A" 3174 3004 5.04      
16 A" 1521 1440 11.96      
17 A" 1114 1054 16.10      
18 A" 867 821 41.90      
19 A" 659 624 201.36      
20 A" 537 508 22.49      
21 A" 118 112 1.59      

Unscaled Zero Point Vibrational Energy (zpe) 16480.2 cm-1
Scaled (by 0.9466) Zero Point Vibrational Energy (zpe) 15600.2 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 mPW1PW91/6-31G
ABC
0.35692 0.30827 0.17063

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/6-31G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.129 0.000
C2 1.028 -0.956 0.000
N3 0.137 1.398 0.000
O4 -1.269 -0.396 0.000
H5 2.037 -0.542 0.000
H6 0.900 -1.591 0.880
H7 0.900 -1.591 -0.880
H8 1.101 1.727 0.000
H9 -1.914 0.338 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 O4 H5 H6 H7 H8 H9
C11.49471.27641.37322.14462.13152.13151.94061.9254
C21.49472.51702.36421.09021.09301.09302.68383.2142
N31.27642.51702.27932.71563.20823.20821.01882.3086
O41.37322.36422.27933.30892.62792.62793.18190.9774
H52.14461.09022.71563.30891.77981.77982.45454.0477
H62.13151.09303.20822.62791.77981.76023.43883.5234
H72.13151.09303.20822.62791.77981.76023.43883.5234
H81.94062.68381.01883.18192.45453.43883.43883.3197
H91.92543.21422.30860.97744.04773.52343.52343.3197

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 111.164 C1 C2 H6 109.943
C1 C2 H7 109.943 C1 N3 H8 114.988
C1 O4 H9 108.821 C2 C1 N3 130.381
C2 C1 O4 110.978 N3 C1 O4 118.642
H5 C2 H6 109.224 H5 C2 H7 109.224
H6 C2 H7 107.255
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.380      
2 C -0.514      
3 N -0.550      
4 O -0.591      
5 H 0.174      
6 H 0.210      
7 H 0.210      
8 H 0.281      
9 H 0.400      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.577 -0.651 0.000 1.706
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.704 -0.659 0.000
y -0.659 -27.230 0.000
z 0.000 0.000 -24.749
Traceless
 xyz
x 6.286 -0.659 0.000
y -0.659 -5.004 0.000
z 0.000 0.000 -1.281
Polar
3z2-r2-2.563
x2-y27.527
xy-0.659
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.910 0.270 0.000
y 0.270 5.659 0.000
z 0.000 0.000 2.646


<r2> (average value of r2) Å2
<r2> 75.445
(<r2>)1/2 8.686