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

using model chemistry: HF/CEP-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 HF/CEP-31G*
 hartrees
Energy at 0K-39.259763
Energy at 298.15K-39.266311
HF Energy-39.259763
Nuclear repulsion energy68.660592
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/CEP-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' 4111 3691 90.42      
2 A' 3806 3418 3.07      
3 A' 3339 2998 37.02      
4 A' 3248 2917 17.75      
5 A' 1911 1716 378.45      
6 A' 1614 1449 21.95      
7 A' 1583 1422 82.82      
8 A' 1507 1353 15.46      
9 A' 1396 1253 102.22      
10 A' 1214 1090 217.43      
11 A' 1111 997 36.30      
12 A' 934 839 0.05      
13 A' 584 524 48.63      
14 A' 445 399 1.34      
15 A" 3321 2982 25.26      
16 A" 1604 1440 6.53      
17 A" 1171 1052 8.75      
18 A" 924 830 38.22      
19 A" 661 593 151.30      
20 A" 559 502 50.94      
21 A" 154 138 0.54      

Unscaled Zero Point Vibrational Energy (zpe) 17596.6 cm-1
Scaled (by 0.898) Zero Point Vibrational Energy (zpe) 15801.8 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/CEP-31G*
ABC
0.36410 0.30791 0.17217

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/CEP-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.137 0.000
C2 0.891 -1.093 0.000
N3 0.326 1.361 0.000
O4 -1.303 -0.208 0.000
H5 1.942 -0.812 0.000
H6 0.672 -1.695 0.882
H7 0.672 -1.695 -0.882
H8 1.326 1.466 0.000
H9 -1.810 0.601 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 O4 H5 H6 H7 H8 H9
C11.51831.26701.34792.16092.14092.14091.87721.8683
C21.51832.51832.36551.08781.08961.08962.59533.1878
N31.26702.51832.26152.70823.19953.19951.00572.2664
O41.34792.36552.26153.30032.62472.62473.11640.9547
H52.16091.08782.70823.30031.77991.77992.35944.0086
H62.14091.08963.19952.62471.77991.76303.34573.4940
H72.14091.08963.19952.62471.77991.76303.34573.4940
H81.87722.59531.00573.11642.35943.34573.34573.2525
H91.86833.18782.26640.95474.00863.49403.49403.2525

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 110.950 C1 C2 H6 109.254
C1 C2 H7 109.254 C1 N3 H8 110.851
C1 O4 H9 107.235 C2 C1 N3 129.196
C2 C1 O4 111.099 N3 C1 O4 119.705
H5 C2 H6 109.664 H5 C2 H7 109.664
H6 C2 H7 108.001
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/CEP-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.182      
2 C -0.260      
3 N -0.214      
4 O -0.474      
5 H 0.114      
6 H 0.132      
7 H 0.132      
8 H 0.287      
9 H 0.464      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.271 -1.293 0.000 1.813
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.213 -1.822 0.000
y -1.822 -27.794 0.000
z 0.000 0.000 -25.008
Traceless
 xyz
x 6.187 -1.822 0.000
y -1.822 -5.183 0.000
z 0.000 0.000 -1.004
Polar
3z2-r2-2.009
x2-y27.580
xy-1.822
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.611 0.284 0.000
y 0.284 5.456 0.000
z 0.000 0.000 3.118


<r2> (average value of r2) Å2
<r2> 63.641
(<r2>)1/2 7.978