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

using model chemistry: PBEPBE/STO-3G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at PBEPBE/STO-3G
 hartrees
Energy at 0K-206.210842
Energy at 298.15K-206.216679
HF Energy-206.210842
Nuclear repulsion energy117.322370
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 PBEPBE/STO-3G
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' 3540 3234 11.94      
2 A' 3421 3126 0.30      
3 A' 3381 3089 13.04      
4 A' 3242 2962 0.07      
5 A' 1721 1572 65.76      
6 A' 1619 1479 26.22      
7 A' 1532 1399 25.56      
8 A' 1497 1367 2.39      
9 A' 1331 1216 28.65      
10 A' 1180 1078 86.94      
11 A' 1043 952 11.01      
12 A' 854 780 1.85      
13 A' 470 429 25.32      
14 A' 380 347 1.54      
15 A" 3398 3105 0.01      
16 A" 1615 1475 4.93      
17 A" 1096 1001 6.79      
18 A" 826 754 15.01      
19 A" 694 634 90.57      
20 A" 481 439 0.53      
21 A" 57 52 0.13      

Unscaled Zero Point Vibrational Energy (zpe) 16687.8 cm-1
Scaled (by 0.9136) Zero Point Vibrational Energy (zpe) 15245.9 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 PBEPBE/STO-3G
ABC
0.34385 0.28471 0.16056

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/STO-3G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.125 0.000
C2 1.060 -1.000 0.000
N3 0.120 1.452 0.000
O4 -1.312 -0.399 0.000
H5 2.077 -0.565 0.000
H6 0.945 -1.641 0.897
H7 0.945 -1.641 -0.897
H8 1.183 1.643 0.000
H9 -1.853 0.490 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 O4 H5 H6 H7 H8 H9
C11.54571.33261.41302.18852.19422.19421.92511.8889
C21.54572.62612.44741.10581.10801.10802.64603.2724
N31.33262.62612.34062.81053.32423.32421.08052.1950
O41.41302.44742.34063.39332.72792.72793.22491.0410
H52.18851.10582.81053.39331.80041.80042.38234.0693
H62.19421.10803.32422.72791.80041.79303.41253.6298
H72.19421.10803.32422.72791.80041.79303.41253.6298
H81.92512.64601.08053.22492.38233.41253.41253.2481
H91.88893.27242.19501.04104.06933.62983.62983.2481

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 110.155 C1 C2 H6 110.464
C1 C2 H7 110.464 C1 N3 H8 105.354
C1 O4 H9 99.539 C2 C1 N3 131.528
C2 C1 O4 111.542 N3 C1 O4 116.930
H5 C2 H6 108.839 H5 C2 H7 108.839
H6 C2 H7 108.024
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.135      
2 C -0.249      
3 N -0.333      
4 O -0.190      
5 H 0.089      
6 H 0.098      
7 H 0.098      
8 H 0.143      
9 H 0.209      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.811 -0.874 0.000 1.192
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -18.976 -0.604 0.000
y -0.604 -25.180 0.000
z 0.000 0.000 -22.490
Traceless
 xyz
x 4.859 -0.604 0.000
y -0.604 -4.447 0.000
z 0.000 0.000 -0.412
Polar
3z2-r2-0.823
x2-y26.204
xy-0.604
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.454 0.255 0.000
y 0.255 3.520 0.000
z 0.000 0.000 1.218


<r2> (average value of r2) Å2
<r2> 77.810
(<r2>)1/2 8.821