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

using model chemistry: HF/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 HF/6-311+G(3df,2p)
 hartrees
Energy at 0K-208.040664
Energy at 298.15K-208.047262
HF Energy-208.040664
Nuclear repulsion energy123.141531
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 HF/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' 4133 3755 98.91      
2 A' 3788 3442 12.74      
3 A' 3269 2971 18.97      
4 A' 3181 2890 7.85      
5 A' 1891 1719 352.87      
6 A' 1602 1456 23.52      
7 A' 1568 1424 78.77      
8 A' 1507 1370 14.31      
9 A' 1371 1246 96.47      
10 A' 1204 1094 193.53      
11 A' 1111 1009 46.57      
12 A' 930 845 0.63      
13 A' 599 544 42.08      
14 A' 458 416 1.87      
15 A" 3240 2944 11.52      
16 A" 1592 1447 7.36      
17 A" 1170 1063 8.50      
18 A" 927 842 34.88      
19 A" 665 605 105.44      
20 A" 557 506 56.72      
21 A" 154 140 0.27      

Unscaled Zero Point Vibrational Energy (zpe) 17458.5 cm-1
Scaled (by 0.9086) Zero Point Vibrational Energy (zpe) 15862.8 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 HF/6-311+G(3df,2p)
ABC
0.37171 0.31615 0.17635

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.135 0.000
C2 0.860 -1.093 0.000
N3 0.353 1.332 0.000
O4 -1.295 -0.178 0.000
H5 1.908 -0.834 0.000
H6 0.635 -1.691 0.874
H7 0.635 -1.691 -0.874
H8 1.346 1.432 0.000
H9 -1.795 0.623 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 O4 H5 H6 H7 H8 H9
C11.49911.24761.33192.13992.12192.12191.86911.8602
C21.49912.47712.34071.07941.08261.08262.57143.1609
N31.24762.47712.23442.66643.15943.15940.99822.2622
O41.33192.34072.23443.26902.60362.60363.09260.9438
H52.13991.07942.66643.26901.76551.76552.33513.9792
H62.12191.08263.15942.60361.76551.74783.32023.4675
H72.12191.08263.15942.60361.76551.74783.32023.4675
H81.86912.57140.99823.09262.33513.32023.32023.2439
H91.86023.16092.26220.94383.97923.46753.46753.2439

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 111.137 C1 C2 H6 109.497
C1 C2 H7 109.497 C1 N3 H8 112.195
C1 O4 H9 108.452 C2 C1 N3 128.577
C2 C1 O4 111.413 N3 C1 O4 120.010
H5 C2 H6 109.496 H5 C2 H7 109.496
H6 C2 H7 107.648
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/6-311+G(3df,2p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 1.131      
2 C -0.184      
3 N -1.097      
4 O -0.695      
5 H 0.137      
6 H 0.145      
7 H 0.145      
8 H 0.171      
9 H 0.247      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.067 -1.366 0.000 1.733
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.558 -1.931 0.000
y -1.931 -27.523 0.000
z 0.000 0.000 -25.204
Traceless
 xyz
x 5.805 -1.931 0.000
y -1.931 -4.642 0.000
z 0.000 0.000 -1.163
Polar
3z2-r2-2.326
x2-y26.965
xy-1.931
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.409 0.198 0.000
y 0.198 6.237 0.000
z 0.000 0.000 4.080


<r2> (average value of r2) Å2
<r2> 73.780
(<r2>)1/2 8.590