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

using model chemistry: PBEPBEultrafine/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 PBEPBEultrafine/6-31G(2df,p)
 hartrees
Energy at 0K-208.962122
Energy at 298.15K-208.968357
HF Energy-208.962122
Nuclear repulsion energy120.991667
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 PBEPBEultrafine/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' 3621 3584 27.11      
2 A' 3433 3398 0.78      
3 A' 3097 3065 9.79      
4 A' 2989 2959 5.79      
5 A' 1697 1680 187.13      
6 A' 1435 1420 27.66      
7 A' 1403 1388 52.79      
8 A' 1336 1322 0.52      
9 A' 1227 1214 88.66      
10 A' 1078 1067 159.04      
11 A' 976 966 27.46      
12 A' 854 845 2.77      
13 A' 532 526 37.38      
14 A' 407 403 1.51      
15 A" 3059 3027 5.04      
16 A" 1421 1406 7.09      
17 A" 1025 1014 7.73      
18 A" 818 810 15.46      
19 A" 631 624 114.15      
20 A" 509 504 11.59      
21 A" 110 109 0.76      

Unscaled Zero Point Vibrational Energy (zpe) 15828.8 cm-1
Scaled (by 0.9897) Zero Point Vibrational Energy (zpe) 15665.8 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 PBEPBEultrafine/6-31G(2df,p)
ABC
0.35962 0.30667 0.17082

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.131 0.000
C2 0.929 -1.055 0.000
N3 0.270 1.383 0.000
O4 -1.301 -0.267 0.000
H5 1.979 -0.736 0.000
H6 0.742 -1.684 0.885
H7 0.742 -1.684 -0.885
H8 1.286 1.531 0.000
H9 -1.812 0.568 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 O4 H5 H6 H7 H8 H9
C11.50701.28021.36012.16092.15182.15181.90071.8635
C21.50702.52532.36481.09801.10201.10202.61113.1852
N31.28022.52532.27792.72173.22663.22661.02592.2359
O41.36012.36482.27793.31322.63892.63893.14980.9787
H52.16091.09802.72173.31321.79301.79302.37084.0089
H62.15181.10203.22662.63891.79301.77093.37913.5179
H72.15181.10203.22662.63891.79301.77093.37913.5179
H81.90072.61111.02593.14982.37083.37913.37913.2437
H91.86353.18522.23590.97874.00893.51793.51793.2437

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 111.130 C1 C2 H6 110.160
C1 C2 H7 110.160 C1 N3 H8 110.530
C1 O4 H9 104.460 C2 C1 N3 129.747
C2 C1 O4 111.031 N3 C1 O4 119.222
H5 C2 H6 109.176 H5 C2 H7 109.176
H6 C2 H7 106.937
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBEultrafine/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.385      
2 C -0.484      
3 N -0.528      
4 O -0.349      
5 H 0.140      
6 H 0.160      
7 H 0.160      
8 H 0.222      
9 H 0.296      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.887 -1.042 0.000 1.368
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.094 -1.258 0.000
y -1.258 -26.495 0.000
z 0.000 0.000 -24.472
Traceless
 xyz
x 5.390 -1.258 0.000
y -1.258 -4.212 0.000
z 0.000 0.000 -1.178
Polar
3z2-r2-2.356
x2-y26.401
xy-1.258
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.563 0.149 0.000
y 0.149 5.976 0.000
z 0.000 0.000 3.376


<r2> (average value of r2) Å2
<r2> 75.155
(<r2>)1/2 8.669