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

using model chemistry: B2PLYP/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 B2PLYP/6-31+G**
 hartrees
Energy at 0K-209.006847
Energy at 298.15K-209.013196
HF Energy-208.796567
Nuclear repulsion energy121.385454
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 B2PLYP/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' 3778 3598 55.53      
2 A' 3570 3400 5.54      
3 A' 3195 3043 11.09      
4 A' 3094 2947 6.84      
5 A' 1739 1657 243.47      
6 A' 1511 1440 23.15      
7 A' 1457 1387 61.95      
8 A' 1405 1338 11.07      
9 A' 1262 1202 82.15      
10 A' 1113 1060 175.26      
11 A' 1032 982 53.81      
12 A' 880 838 0.99      
13 A' 550 524 42.81      
14 A' 427 407 1.96      
15 A" 3170 3019 5.01      
16 A" 1500 1428 9.55      
17 A" 1079 1027 4.22      
18 A" 843 803 30.44      
19 A" 620 590 143.32      
20 A" 523 498 22.60      
21 A" 129 122 0.65      

Unscaled Zero Point Vibrational Energy (zpe) 16437.8 cm-1
Scaled (by 0.9524) Zero Point Vibrational Energy (zpe) 15655.4 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 B2PLYP/6-31+G**
ABC
0.36061 0.30905 0.17173

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/6-31+G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.131 0.000
C2 0.943 -1.038 0.000
N3 0.253 1.382 0.000
O4 -1.294 -0.285 0.000
H5 1.979 -0.702 0.000
H6 0.763 -1.657 0.881
H7 0.763 -1.657 -0.881
H8 1.254 1.553 0.000
H9 -1.840 0.518 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 O4 H5 H6 H7 H8 H9
C11.50241.27611.35882.14732.13442.13441.89671.8802
C21.50242.51682.36041.08871.09141.09142.61053.1888
N31.27612.51682.27342.70643.20493.20491.01662.2639
O41.35882.36042.27343.29902.62482.62483.14210.9710
H52.14731.08872.70643.29901.77901.77902.36944.0091
H62.13441.09143.20492.62481.77901.76193.36523.5047
H72.13441.09143.20492.62481.77901.76193.36523.5047
H81.89672.61051.01663.14212.36943.36523.36523.2633
H91.88023.18882.26390.97104.00913.50473.50473.2633

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 110.923 C1 C2 H6 109.728
C1 C2 H7 109.728 C1 N3 H8 111.142
C1 O4 H9 106.423 C2 C1 N3 129.689
C2 C1 O4 111.074 N3 C1 O4 119.237
H5 C2 H6 109.378 H5 C2 H7 109.378
H6 C2 H7 107.642
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.243      
2 C -0.396      
3 N -0.520      
4 O -0.441      
5 H 0.146      
6 H 0.178      
7 H 0.178      
8 H 0.249      
9 H 0.363      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.354 -1.113 0.000 1.753
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.787 -1.282 0.000
y -1.282 -28.242 0.000
z 0.000 0.000 -25.654
Traceless
 xyz
x 6.161 -1.282 0.000
y -1.282 -5.022 0.000
z 0.000 0.000 -1.140
Polar
3z2-r2-2.280
x2-y27.455
xy-1.282
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.616 0.231 0.000
y 0.231 6.592 0.000
z 0.000 0.000 3.960


<r2> (average value of r2) Å2
<r2> 75.568
(<r2>)1/2 8.693