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

using model chemistry: HF/6-31+G**

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/6-31+G**
 hartrees
Energy at 0K-207.976720
Energy at 298.15K-207.983305
HF Energy-207.976720
Nuclear repulsion energy122.805031
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/6-31+G**
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' 4134 3738 102.20      
2 A' 3808 3443 11.67      
3 A' 3297 2981 19.34      
4 A' 3205 2898 9.15      
5 A' 1912 1728 371.67      
6 A' 1606 1452 22.14      
7 A' 1576 1425 85.53      
8 A' 1511 1366 16.52      
9 A' 1372 1241 97.49      
10 A' 1206 1091 203.03      
11 A' 1115 1008 44.54      
12 A' 937 847 0.42      
13 A' 597 540 46.60      
14 A' 459 415 1.84      
15 A" 3274 2960 10.13      
16 A" 1596 1443 7.43      
17 A" 1171 1058 9.01      
18 A" 926 837 42.44      
19 A" 666 602 135.16      
20 A" 558 505 58.37      
21 A" 152 137 0.42      

Unscaled Zero Point Vibrational Energy (zpe) 17537.3 cm-1
Scaled (by 0.9042) Zero Point Vibrational Energy (zpe) 15857.2 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/6-31+G**
ABC
0.36960 0.31461 0.17541

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.135 0.000
C2 0.879 -1.081 0.000
N3 0.330 1.344 0.000
O4 -1.293 -0.202 0.000
H5 1.925 -0.807 0.000
H6 0.663 -1.683 0.876
H7 0.663 -1.683 -0.876
H8 1.322 1.466 0.000
H9 -1.811 0.592 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 O4 H5 H6 H7 H8 H9
C11.50101.25251.33642.14342.12462.12461.87601.8673
C21.50102.48652.34341.08161.08411.08412.58583.1676
N31.25252.48652.24112.67793.16863.16861.00012.2685
O41.33642.34342.24113.27472.60572.60573.10210.9476
H52.14341.08162.67793.27471.76811.76812.35173.9891
H62.12461.08413.16862.60571.76811.75133.33453.4733
H72.12461.08413.16862.60571.76811.75133.33453.4733
H81.87602.58581.00013.10212.35173.33453.33453.2526
H91.86733.16762.26850.94763.98913.47333.47333.2526

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 111.151 C1 C2 H6 109.487
C1 C2 H7 109.487 C1 N3 H8 112.291
C1 O4 H9 108.480 C2 C1 N3 128.893
C2 C1 O4 111.229 N3 C1 O4 119.878
H5 C2 H6 109.453 H5 C2 H7 109.453
H6 C2 H7 107.743
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.329      
2 C -0.326      
3 N -0.592      
4 O -0.529      
5 H 0.138      
6 H 0.168      
7 H 0.168      
8 H 0.258      
9 H 0.387      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.286 -1.352 0.000 1.865
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.521 -1.817 0.000
y -1.817 -28.052 0.000
z 0.000 0.000 -25.373
Traceless
 xyz
x 6.192 -1.817 0.000
y -1.817 -5.105 0.000
z 0.000 0.000 -1.086
Polar
3z2-r2-2.173
x2-y27.531
xy-1.817
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.947 0.330 0.000
y 0.330 6.004 0.000
z 0.000 0.000 3.682


<r2> (average value of r2) Å2
<r2> 74.225
(<r2>)1/2 8.615