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

using model chemistry: mPW1PW91/6-311+G(3df,2p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at mPW1PW91/6-311+G(3df,2p)
 hartrees
Energy at 0K-209.223838
Energy at 298.15K-209.230207
HF Energy-209.223838
Nuclear repulsion energy122.309514
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 mPW1PW91/6-311+G(3df,2p)
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' 3821 3821 56.63      
2 A' 3578 3578 7.77      
3 A' 3169 3169 9.13      
4 A' 3068 3068 4.55      
5 A' 1762 1762 260.06      
6 A' 1485 1485 24.34      
7 A' 1449 1449 74.86      
8 A' 1389 1389 1.37      
9 A' 1265 1265 96.20      
10 A' 1108 1108 174.13      
11 A' 1018 1018 34.87      
12 A' 887 887 1.84      
13 A' 555 555 40.65      
14 A' 426 426 1.82      
15 A" 3135 3135 4.12      
16 A" 1473 1473 9.40      
17 A" 1067 1067 6.77      
18 A" 847 847 24.52      
19 A" 633 633 113.34      
20 A" 528 528 25.56      
21 A" 126 126 0.40      

Unscaled Zero Point Vibrational Energy (zpe) 16393.7 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 16393.7 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 mPW1PW91/6-311+G(3df,2p)
ABC
0.36666 0.31356 0.17445

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/6-311+G(3df,2p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.130 0.000
C2 0.904 -1.059 0.000
N3 0.297 1.357 0.000
O4 -1.294 -0.237 0.000
H5 1.947 -0.758 0.000
H6 0.705 -1.675 0.877
H7 0.705 -1.675 -0.877
H8 1.299 1.499 0.000
H9 -1.807 0.579 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 O4 H5 H6 H7 H8 H9
C11.49371.26291.34492.14022.12692.12691.88731.8623
C21.49372.49182.34661.08611.08981.08982.58833.1676
N31.26292.49182.25232.68313.18273.18271.01242.2438
O41.34492.34662.25233.28292.61432.61433.12050.9637
H52.14021.08612.68313.28291.77541.77542.34773.9855
H62.12691.08983.18272.61431.77541.75493.34533.4873
H72.12691.08983.18272.61431.77541.75493.34533.4873
H81.88732.58831.01243.12052.34773.34533.34533.2401
H91.86233.16762.24380.96373.98553.48733.48733.2401

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 111.129 C1 C2 H6 109.834
C1 C2 H7 109.834 C1 N3 H8 111.611
C1 O4 H9 106.367 C2 C1 N3 129.167
C2 C1 O4 111.410 N3 C1 O4 119.424
H5 C2 H6 109.359 H5 C2 H7 109.359
H6 C2 H7 107.241
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/6-311+G(3df,2p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.897      
2 C -0.156      
3 N -0.979      
4 O -0.580      
5 H 0.129      
6 H 0.137      
7 H 0.137      
8 H 0.169      
9 H 0.245      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.093 -1.206 0.000 1.627
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.496 -1.520 0.000
y -1.520 -27.327 0.000
z 0.000 0.000 -25.171
Traceless
 xyz
x 5.753 -1.520 0.000
y -1.520 -4.494 0.000
z 0.000 0.000 -1.259
Polar
3z2-r2-2.518
x2-y26.831
xy-1.520
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.035 0.104 0.000
y 0.104 6.773 0.000
z 0.000 0.000 4.328


<r2> (average value of r2) Å2
<r2> 74.337
(<r2>)1/2 8.622