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

using model chemistry: PBE1PBE/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at PBE1PBE/3-21G
 hartrees
Energy at 0K-207.791087
Energy at 298.15K-207.797394
HF Energy-207.791087
Nuclear repulsion energy120.815788
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 PBE1PBE/3-21G
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' 3535 3395 17.90      
2 A' 3438 3301 1.63      
3 A' 3187 3060 8.32      
4 A' 3086 2964 2.60      
5 A' 1765 1695 147.73      
6 A' 1537 1476 36.28      
7 A' 1462 1404 67.80      
8 A' 1435 1378 1.44      
9 A' 1247 1197 111.06      
10 A' 1086 1043 159.69      
11 A' 1017 977 91.43      
12 A' 863 828 1.15      
13 A' 540 518 44.07      
14 A' 403 387 3.14      
15 A" 3155 3030 3.27      
16 A" 1533 1472 11.05      
17 A" 1112 1068 18.18      
18 A" 858 824 33.75      
19 A" 663 636 169.87      
20 A" 527 507 24.19      
21 A" 103 99 1.89      

Unscaled Zero Point Vibrational Energy (zpe) 16274.3 cm-1
Scaled (by 0.9604) Zero Point Vibrational Energy (zpe) 15629.9 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 PBE1PBE/3-21G
ABC
0.35663 0.30792 0.17050

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/3-21G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.137 0.000
C2 1.036 -0.951 0.000
N3 0.121 1.401 0.000
O4 -1.262 -0.414 0.000
H5 2.046 -0.535 0.000
H6 0.898 -1.583 0.883
H7 0.898 -1.583 -0.883
H8 1.091 1.739 0.000
H9 -1.901 0.348 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 O4 H5 H6 H7 H8 H9
C11.50241.26971.37732.15342.13252.13251.93811.9124
C21.50242.52362.35991.09191.09531.09532.68993.2112
N31.26972.52362.28232.73003.20813.20811.02762.2796
O41.37732.35992.28233.31002.61012.61013.18980.9946
H52.15341.09192.73003.31001.78801.78802.46574.0441
H62.13251.09533.20812.61011.78801.76653.44303.5133
H72.13251.09533.20812.61011.78801.76653.44303.5133
H81.93812.68991.02763.18982.46573.44303.44303.2997
H91.91243.21122.27960.99464.04413.51333.51333.2997

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 111.221 C1 C2 H6 109.352
C1 C2 H7 109.352 C1 N3 H8 114.643
C1 O4 H9 106.348 C2 C1 N3 130.931
C2 C1 O4 109.993 N3 C1 O4 119.076
H5 C2 H6 109.670 H5 C2 H7 109.670
H6 C2 H7 107.497
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.522      
2 C -0.681      
3 N -0.653      
4 O -0.578      
5 H 0.223      
6 H 0.258      
7 H 0.258      
8 H 0.273      
9 H 0.377      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.385 -0.526 0.000 1.481
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.729 -0.491 0.000
y -0.491 -26.662 0.000
z 0.000 0.000 -24.551
Traceless
 xyz
x 5.877 -0.491 0.000
y -0.491 -4.522 0.000
z 0.000 0.000 -1.355
Polar
3z2-r2-2.710
x2-y26.933
xy-0.491
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.686 0.248 0.000
y 0.248 5.208 0.000
z 0.000 0.000 2.373


<r2> (average value of r2) Å2
<r2> 75.315
(<r2>)1/2 8.678