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

using model chemistry: HF/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 HF/6-31G(2df,p)
 hartrees
Energy at 0K-207.983647
Energy at 298.15K-207.990230
HF Energy-207.983647
Nuclear repulsion energy122.995518
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(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' 4129 3739 90.63      
2 A' 3785 3427 6.05      
3 A' 3283 2973 19.63      
4 A' 3189 2888 7.95      
5 A' 1918 1737 315.11      
6 A' 1603 1452 31.11      
7 A' 1574 1426 74.34      
8 A' 1510 1367 8.41      
9 A' 1381 1251 102.21      
10 A' 1209 1095 195.85      
11 A' 1108 1004 39.49      
12 A' 931 843 0.68      
13 A' 599 542 42.40      
14 A' 455 412 1.58      
15 A" 3256 2949 11.75      
16 A" 1591 1441 5.57      
17 A" 1171 1061 12.06      
18 A" 935 847 32.05      
19 A" 671 608 116.26      
20 A" 557 504 48.42      
21 A" 148 134 0.46      

Unscaled Zero Point Vibrational Energy (zpe) 17501.6 cm-1
Scaled (by 0.9055) Zero Point Vibrational Energy (zpe) 15847.7 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(2df,p)
ABC
0.37061 0.31562 0.17595

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.138 0.000
C2 0.862 -1.092 0.000
N3 0.351 1.336 0.000
O4 -1.295 -0.182 0.000
H5 1.912 -0.835 0.000
H6 0.637 -1.692 0.875
H7 0.637 -1.692 -0.875
H8 1.346 1.431 0.000
H9 -1.791 0.623 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 O4 H5 H6 H7 H8 H9
C11.50161.24831.33422.14522.12592.12591.86681.8556
C21.50162.48112.34141.08171.08471.08472.56963.1588
N31.24832.48112.23872.67373.16483.16480.99982.2572
O41.33422.34142.23873.27352.60392.60393.09480.9448
H52.14521.08172.67373.27351.76881.76882.33573.9797
H62.12591.08473.16482.60391.76881.75023.32053.4667
H72.12591.08473.16482.60391.76881.75023.32053.4667
H81.86682.56960.99983.09482.33573.32053.32053.2394
H91.85563.15882.25720.94483.97973.46673.46673.2394

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 111.238 C1 C2 H6 109.512
C1 C2 H7 109.512 C1 N3 H8 111.803
C1 O4 H9 107.792 C2 C1 N3 128.675
C2 C1 O4 111.167 N3 C1 O4 120.158
H5 C2 H6 109.466 H5 C2 H7 109.466
H6 C2 H7 107.571
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.475      
2 C -0.476      
3 N -0.575      
4 O -0.524      
5 H 0.152      
6 H 0.170      
7 H 0.170      
8 H 0.261      
9 H 0.348      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.988 -1.234 0.000 1.580
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.173 -1.827 0.000
y -1.827 -26.934 0.000
z 0.000 0.000 -24.567
Traceless
 xyz
x 5.577 -1.827 0.000
y -1.827 -4.564 0.000
z 0.000 0.000 -1.013
Polar
3z2-r2-2.026
x2-y26.761
xy-1.827
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.805 0.287 0.000
y 0.287 5.406 0.000
z 0.000 0.000 3.226


<r2> (average value of r2) Å2
<r2> 73.564
(<r2>)1/2 8.577