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

using model chemistry: TPSSh/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 TPSSh/6-31G(2df,p)
 hartrees
Energy at 0K-209.217002
Energy at 298.15K-209.223301
HF Energy-209.217002
Nuclear repulsion energy121.462264
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 TPSSh/6-31G(2df,p)
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' 3711 3581 34.03      
2 A' 3496 3373 0.45      
3 A' 3149 3039 15.13      
4 A' 3047 2941 7.90      
5 A' 1737 1676 202.93      
6 A' 1495 1443 23.21      
7 A' 1443 1393 57.72      
8 A' 1392 1343 2.93      
9 A' 1257 1213 86.08      
10 A' 1105 1066 162.21      
11 A' 1011 976 41.44      
12 A' 865 835 1.82      
13 A' 535 517 39.98      
14 A' 405 391 1.26      
15 A" 3114 3005 8.67      
16 A" 1484 1432 5.94      
17 A" 1066 1029 6.44      
18 A" 846 817 20.13      
19 A" 635 613 117.82      
20 A" 516 498 14.71      
21 A" 119 114 0.65      

Unscaled Zero Point Vibrational Energy (zpe) 16213.8 cm-1
Scaled (by 0.965) Zero Point Vibrational Energy (zpe) 15646.3 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 TPSSh/6-31G(2df,p)
ABC
0.36242 0.30850 0.17197

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.132 0.000
C2 0.929 -1.052 0.000
N3 0.268 1.377 0.000
O4 -1.296 -0.266 0.000
H5 1.972 -0.730 0.000
H6 0.742 -1.673 0.881
H7 0.742 -1.673 -0.881
H8 1.276 1.530 0.000
H9 -1.815 0.555 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 O4 H5 H6 H7 H8 H9
C11.50541.27301.35582.15212.14202.14201.89201.8633
C21.50542.51732.35971.09091.09451.09452.60473.1800
N31.27302.51732.26832.70993.21023.21021.01942.2389
O41.35582.35972.26833.30032.62862.62863.13650.9715
H52.15211.09092.70993.30031.78271.78272.36473.9986
H62.14201.09453.21022.62861.78271.76263.36463.5043
H72.14201.09453.21022.62861.78271.76263.36463.5043
H81.89202.60471.01943.13652.36473.36463.36463.2405
H91.86333.18002.23890.97153.99863.50433.50433.2405

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 110.969 C1 C2 H6 109.943
C1 C2 H7 109.943 C1 N3 H8 110.761
C1 O4 H9 105.186 C2 C1 N3 129.737
C2 C1 O4 111.019 N3 C1 O4 119.244
H5 C2 H6 109.318 H5 C2 H7 109.318
H6 C2 H7 107.269
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at TPSSh/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.437      
2 C -0.509      
3 N -0.560      
4 O -0.411      
5 H 0.150      
6 H 0.169      
7 H 0.169      
8 H 0.238      
9 H 0.317      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.948 -1.045 0.000 1.411
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.397 0.179 0.000
y 0.179 5.861 0.000
z 0.000 0.000 3.345


<r2> (average value of r2) Å2
<r2> 74.701
(<r2>)1/2 8.643