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

using model chemistry: HF/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 HF/6-31G*
 hartrees
Energy at 0K-207.953327
Energy at 298.15K-207.959901
HF Energy-207.953327
Nuclear repulsion energy122.790739
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/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' 4059 3647 92.84      
2 A' 3787 3403 2.83      
3 A' 3315 2978 21.23      
4 A' 3226 2899 8.26      
5 A' 1937 1741 328.57      
6 A' 1629 1464 26.58      
7 A' 1596 1434 77.98      
8 A' 1531 1376 14.87      
9 A' 1396 1254 108.12      
10 A' 1220 1096 205.11      
11 A' 1122 1008 41.72      
12 A' 939 844 0.50      
13 A' 598 538 45.61      
14 A' 456 410 1.75      
15 A" 3292 2958 12.20      
16 A" 1617 1453 5.65      
17 A" 1184 1064 13.81      
18 A" 940 844 38.22      
19 A" 676 607 156.44      
20 A" 559 502 43.96      
21 A" 147 132 0.64      

Unscaled Zero Point Vibrational Energy (zpe) 17612.6 cm-1
Scaled (by 0.8985) Zero Point Vibrational Energy (zpe) 15824.9 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 HF/6-31G*
ABC
0.36995 0.31435 0.17540

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.137 0.000
C2 0.884 -1.078 0.000
N3 0.322 1.346 0.000
O4 -1.292 -0.209 0.000
H5 1.930 -0.802 0.000
H6 0.671 -1.681 0.875
H7 0.671 -1.681 -0.875
H8 1.315 1.471 0.000
H9 -1.806 0.592 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 O4 H5 H6 H7 H8 H9
C11.50211.25081.33762.14602.12652.12651.87301.8621
C21.50212.48762.34291.08161.08401.08402.58453.1657
N31.25082.48762.24092.68293.17023.17021.00112.2568
O41.33762.34292.24093.27592.60532.60533.10130.9518
H52.14601.08162.68293.27591.76701.76702.35433.9871
H62.12651.08403.17022.60531.76701.74983.33393.4742
H72.12651.08403.17022.60531.76701.74983.33393.4742
H81.87302.58451.00113.10132.35433.33393.33393.2419
H91.86213.16572.25680.95183.98713.47423.47423.2419

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 111.278 C1 C2 H6 109.569
C1 C2 H7 109.569 C1 N3 H8 112.079
C1 O4 H9 107.661 C2 C1 N3 129.051
C2 C1 O4 111.053 N3 C1 O4 119.897
H5 C2 H6 109.362 H5 C2 H7 109.362
H6 C2 H7 107.625
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.589      
2 C -0.543      
3 N -0.724      
4 O -0.705      
5 H 0.179      
6 H 0.203      
7 H 0.203      
8 H 0.331      
9 H 0.467      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.193 -1.170 0.000 1.670
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.274 -1.743 0.000
y -1.743 -27.387 0.000
z 0.000 0.000 -24.793
Traceless
 xyz
x 5.816 -1.743 0.000
y -1.743 -4.854 0.000
z 0.000 0.000 -0.962
Polar
3z2-r2-1.924
x2-y27.113
xy-1.743
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.536 0.355 0.000
y 0.355 5.270 0.000
z 0.000 0.000 2.821


<r2> (average value of r2) Å2
<r2> 73.913
(<r2>)1/2 8.597