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

using model chemistry: PBEPBE/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 PBEPBE/6-31G
 hartrees
Energy at 0K-208.876916
Energy at 298.15K-208.883161
HF Energy-208.876916
Nuclear repulsion energy119.764322
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 PBEPBE/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' 3460 3412 9.42      
2 A' 3386 3339 5.55      
3 A' 3109 3066 12.06      
4 A' 3001 2959 6.06      
5 A' 1683 1660 159.40      
6 A' 1481 1461 31.09      
7 A' 1414 1395 49.60      
8 A' 1381 1362 3.37      
9 A' 1207 1191 99.28      
10 A' 1053 1038 136.42      
11 A' 986 972 95.30      
12 A' 853 841 1.66      
13 A' 528 521 42.36      
14 A' 409 403 3.38      
15 A" 3077 3035 6.49      
16 A" 1470 1450 11.39      
17 A" 1068 1053 11.76      
18 A" 822 811 29.17      
19 A" 648 639 186.23      
20 A" 515 508 13.71      
21 A" 108 106 1.69      

Unscaled Zero Point Vibrational Energy (zpe) 15829.0 cm-1
Scaled (by 0.9862) Zero Point Vibrational Energy (zpe) 15610.5 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 PBEPBE/6-31G
ABC
0.35071 0.30220 0.16745

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.129 0.000
C2 1.061 -0.938 0.000
N3 0.097 1.417 0.000
O4 -1.270 -0.436 0.000
H5 2.067 -0.494 0.000
H6 0.950 -1.584 0.888
H7 0.950 -1.584 -0.888
H8 1.069 1.764 0.000
H9 -1.921 0.316 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 O4 H5 H6 H7 H8 H9
C11.50471.29131.39002.15922.15062.15061.95311.9302
C21.50472.54442.38451.09991.10311.10312.70173.2348
N31.29132.54442.30232.74473.24333.24331.03212.2991
O41.39002.38452.30233.33782.65272.65273.21070.9941
H52.15921.09992.74473.33781.79501.79502.46874.0698
H62.15061.10313.24332.65271.79501.77513.46513.5555
H72.15061.10313.24332.65271.79501.77513.46513.5555
H81.95312.70171.03213.21072.46873.46513.46513.3224
H91.93023.23482.29910.99414.06983.55553.55553.3224

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 111.036 C1 C2 H6 110.157
C1 C2 H7 110.157 C1 N3 H8 113.951
C1 O4 H9 106.938 C2 C1 N3 130.857
C2 C1 O4 110.856 N3 C1 O4 118.287
H5 C2 H6 109.132 H5 C2 H7 109.132
H6 C2 H7 107.136
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.320      
2 C -0.479      
3 N -0.499      
4 O -0.529      
5 H 0.161      
6 H 0.195      
7 H 0.195      
8 H 0.261      
9 H 0.376      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.488 -0.598 0.000 1.604
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.906 -0.448 0.000
y -0.448 -27.176 0.000
z 0.000 0.000 -24.858
Traceless
 xyz
x 6.111 -0.448 0.000
y -0.448 -4.794 0.000
z 0.000 0.000 -1.317
Polar
3z2-r2-2.634
x2-y27.271
xy-0.448
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.304 0.220 0.000
y 0.220 5.911 0.000
z 0.000 0.000 2.717


<r2> (average value of r2) Å2
<r2> 76.610
(<r2>)1/2 8.753