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

using model chemistry: HF/CEP-121G*

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-121G*
 hartrees
Energy at 0K-39.270126
Energy at 298.15K-39.276674
HF Energy-39.270126
Nuclear repulsion energy68.891674
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-121G*
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' 4091 3696 78.28      
2 A' 3779 3414 3.84      
3 A' 3303 2984 29.15      
4 A' 3210 2900 13.51      
5 A' 1884 1702 353.66      
6 A' 1617 1460 22.40      
7 A' 1577 1425 73.21      
8 A' 1511 1365 15.39      
9 A' 1392 1258 104.54      
10 A' 1211 1094 211.42      
11 A' 1111 1004 48.39      
12 A' 923 834 0.27      
13 A' 587 531 46.81      
14 A' 449 406 1.71      
15 A" 3284 2967 19.87      
16 A" 1606 1451 6.82      
17 A" 1171 1058 6.97      
18 A" 929 839 41.44      
19 A" 659 596 149.31      
20 A" 554 500 46.37      
21 A" 144 130 0.62      

Unscaled Zero Point Vibrational Energy (zpe) 17496.0 cm-1
Scaled (by 0.9034) Zero Point Vibrational Energy (zpe) 15805.9 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/CEP-121G*
ABC
0.36624 0.31029 0.17333

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/CEP-121G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.137 0.000
C2 0.894 -1.082 0.000
N3 0.319 1.354 0.000
O4 -1.301 -0.213 0.000
H5 1.939 -0.797 0.000
H6 0.683 -1.685 0.877
H7 0.683 -1.685 -0.877
H8 1.315 1.472 0.000
H9 -1.811 0.590 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 O4 H5 H6 H7 H8 H9
C11.51241.25821.34712.15282.13502.13501.87341.8669
C21.51242.50392.36111.08311.08511.08512.58843.1807
N31.25822.50392.25362.69383.18483.18481.00322.2628
O41.34712.36112.25363.29242.62202.62203.11120.9513
H52.15281.08312.69383.29241.77071.77072.35343.9988
H62.13501.08513.18482.62201.77071.75433.33703.4884
H72.13501.08513.18482.62201.77071.75433.33703.4884
H81.87342.58841.00323.11122.35343.33703.33703.2481
H91.86693.18072.26280.95133.99883.48843.48843.2481

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 110.997 C1 C2 H6 109.459
C1 C2 H7 109.459 C1 N3 H8 111.383
C1 O4 H9 107.384 C2 C1 N3 129.077
C2 C1 O4 111.191 N3 C1 O4 119.732
H5 C2 H6 109.501 H5 C2 H7 109.501
H6 C2 H7 107.864
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/CEP-121G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.278      
2 C -0.580      
3 N -0.463      
4 O -0.571      
5 H 0.170      
6 H 0.192      
7 H 0.192      
8 H 0.309      
9 H 0.470      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.287 -1.241 0.000 1.787
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.283 -1.777 0.000
y -1.777 -27.727 0.000
z 0.000 0.000 -25.108
Traceless
 xyz
x 6.135 -1.777 0.000
y -1.777 -5.032 0.000
z 0.000 0.000 -1.103
Polar
3z2-r2-2.207
x2-y27.445
xy-1.777
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.815 0.314 0.000
y 0.314 5.682 0.000
z 0.000 0.000 3.398


<r2> (average value of r2) Å2
<r2> 63.362
(<r2>)1/2 7.960