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

using model chemistry: HF/LANL2DZ

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/LANL2DZ
 hartrees
Energy at 0K-207.894250
Energy at 298.15K-207.900789
HF Energy-207.894250
Nuclear repulsion energy121.366928
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/LANL2DZ
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' 4040 3636 83.01      
2 A' 3795 3415 15.07      
3 A' 3336 3002 28.33      
4 A' 3229 2906 14.39      
5 A' 1871 1684 298.03      
6 A' 1634 1470 39.19      
7 A' 1585 1427 48.83      
8 A' 1525 1372 30.64      
9 A' 1339 1205 114.73      
10 A' 1170 1053 157.97      
11 A' 1120 1008 159.60      
12 A' 921 829 1.33      
13 A' 569 512 54.85      
14 A' 445 401 3.20      
15 A" 3318 2985 18.74      
16 A" 1624 1461 12.70      
17 A" 1206 1085 19.30      
18 A" 954 859 71.54      
19 A" 670 603 209.72      
20 A" 561 505 62.07      
21 A" 145 131 0.87      

Unscaled Zero Point Vibrational Energy (zpe) 17528.2 cm-1
Scaled (by 0.8999) Zero Point Vibrational Energy (zpe) 15773.6 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/LANL2DZ
ABC
0.35827 0.30899 0.17109

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/LANL2DZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.133 0.000
C2 1.003 -0.987 0.000
N3 0.184 1.387 0.000
O4 -1.278 -0.351 0.000
H5 2.014 -0.608 0.000
H6 0.851 -1.607 0.874
H7 0.851 -1.607 -0.874
H8 1.136 1.704 0.000
H9 -1.932 0.346 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 O4 H5 H6 H7 H8 H9
C11.50311.26751.36682.14582.12512.12511.93961.9437
C21.50312.51102.36821.08031.08211.08212.69513.2234
N31.26752.51102.27132.70653.18953.18951.00362.3583
O41.36682.36822.27133.30252.62262.62263.17110.9555
H52.14581.08032.70653.30251.76491.76492.47314.0597
H62.12511.08213.18952.62261.76491.74763.43713.5109
H72.12511.08213.18952.62261.76491.74763.43713.5109
H81.93962.69511.00363.17112.47313.43713.43713.3555
H91.94373.22342.35830.95554.05973.51093.51093.3555

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 111.264 C1 C2 H6 109.493
C1 C2 H7 109.493 C1 N3 H8 116.827
C1 O4 H9 112.436 C2 C1 N3 129.797
C2 C1 O4 111.122 N3 C1 O4 119.081
H5 C2 H6 109.408 H5 C2 H7 109.408
H6 C2 H7 107.702
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/LANL2DZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.379      
2 C -0.591      
3 N -0.512      
4 O -0.608      
5 H 0.182      
6 H 0.221      
7 H 0.221      
8 H 0.277      
9 H 0.432      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.833 -0.902 0.000 2.043
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.110 -0.944 0.000
y -0.944 -28.607 0.000
z 0.000 0.000 -25.348
Traceless
 xyz
x 6.868 -0.944 0.000
y -0.944 -5.878 0.000
z 0.000 0.000 -0.990
Polar
3z2-r2-1.980
x2-y28.497
xy-0.944
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.438 0.356 0.000
y 0.356 5.519 0.000
z 0.000 0.000 2.838


<r2> (average value of r2) Å2
<r2> 75.782
(<r2>)1/2 8.705