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

using model chemistry: HSEh1PBE/3-21G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at HSEh1PBE/3-21G*
 hartrees
Energy at 0K-207.809323
Energy at 298.15K-207.815626
HF Energy-207.809323
Nuclear repulsion energy120.856135
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 HSEh1PBE/3-21G*
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' 3532 3390 17.19      
2 A' 3439 3301 1.64      
3 A' 3187 3059 8.59      
4 A' 3088 2964 2.77      
5 A' 1766 1696 147.89      
6 A' 1538 1476 36.03      
7 A' 1462 1403 67.86      
8 A' 1436 1378 1.78      
9 A' 1247 1197 110.96      
10 A' 1087 1043 158.13      
11 A' 1018 977 93.79      
12 A' 862 828 1.17      
13 A' 541 519 43.74      
14 A' 404 388 3.17      
15 A" 3155 3029 3.49      
16 A" 1534 1472 11.02      
17 A" 1113 1069 18.13      
18 A" 859 824 33.89      
19 A" 662 636 168.68      
20 A" 528 507 24.62      
21 A" 105 100 1.92      

Unscaled Zero Point Vibrational Energy (zpe) 16280.8 cm-1
Scaled (by 0.9599) Zero Point Vibrational Energy (zpe) 15627.9 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 HSEh1PBE/3-21G*
ABC
0.35670 0.30823 0.17061

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/3-21G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.137 0.000
C2 1.033 -0.953 0.000
N3 0.126 1.400 0.000
O4 -1.264 -0.410 0.000
H5 2.043 -0.540 0.000
H6 0.894 -1.586 0.883
H7 0.894 -1.586 -0.883
H8 1.097 1.735 0.000
H9 -1.901 0.353 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 O4 H5 H6 H7 H8 H9
C11.50191.26881.37682.15252.13242.13241.93791.9136
C21.50192.52162.35981.09161.09501.09502.68863.2118
N31.26882.52162.28172.72713.20663.20661.02702.2822
O41.37682.35982.28173.30932.61082.61083.18920.9942
H52.15251.09162.72713.30931.78731.78732.46354.0445
H62.13241.09503.20662.61081.78731.76573.44193.5144
H72.13241.09503.20662.61081.78731.76573.44193.5144
H81.93792.68861.02703.18922.46353.44193.44193.3018
H91.91363.21182.28220.99424.04453.51443.51443.3018

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 111.203 C1 C2 H6 109.397
C1 C2 H7 109.397 C1 N3 H8 114.745
C1 O4 H9 106.515 C2 C1 N3 130.838
C2 C1 O4 110.038 N3 C1 O4 119.124
H5 C2 H6 109.650 H5 C2 H7 109.650
H6 C2 H7 107.466
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.522      
2 C -0.675      
3 N -0.650      
4 O -0.576      
5 H 0.221      
6 H 0.256      
7 H 0.256      
8 H 0.271      
9 H 0.375      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.370 -0.528 0.000 1.469
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.715 -0.512 0.000
y -0.512 -26.647 0.000
z 0.000 0.000 -24.528
Traceless
 xyz
x 5.872 -0.512 0.000
y -0.512 -4.525 0.000
z 0.000 0.000 -1.347
Polar
3z2-r2-2.693
x2-y26.932
xy-0.512
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.689 0.249 0.000
y 0.249 5.196 0.000
z 0.000 0.000 2.369


<r2> (average value of r2) Å2
<r2> 75.271
(<r2>)1/2 8.676