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All results from a given calculation for H2NCHCHNH2 (diaminoethylene)

using model chemistry: HSEh1PBE/Def2TZVPP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2 1A
Energy calculated at HSEh1PBE/Def2TZVPP
 hartrees
Energy at 0K-189.169011
Energy at 298.15K 
HF Energy-189.169011
Nuclear repulsion energy118.049762
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 HSEh1PBE/Def2TZVPP
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 3644 3644 2.48      
2 A 3548 3548 1.07      
3 A 3154 3154 0.04      
4 A 1771 1771 0.75      
5 A 1642 1642 19.05      
6 A 1337 1337 0.51      
7 A 1289 1289 0.03      
8 A 1040 1040 0.17      
9 A 937 937 69.05      
10 A 784 784 141.79      
11 A 558 558 2.12      
12 A 334 334 3.55      
13 A 246 246 16.70      
14 B 3643 3643 7.71      
15 B 3546 3546 3.25      
16 B 3159 3159 45.51      
17 B 1649 1649 52.69      
18 B 1393 1393 10.69      
19 B 1194 1194 122.87      
20 B 1125 1125 1.09      
21 B 825 825 60.07      
22 B 723 723 331.72      
23 B 347 347 37.02      
24 B 249 249 99.84      

Unscaled Zero Point Vibrational Energy (zpe) 19067.2 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 19067.2 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 HSEh1PBE/Def2TZVPP
ABC
1.45782 0.13364 0.12417

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/Def2TZVPP

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.311 0.589 0.036
C2 -0.311 -0.589 0.036
N3 -0.311 1.841 -0.108
N4 0.311 -1.841 -0.108
H5 1.397 0.630 0.039
H6 -1.397 -0.630 0.039
H7 -1.318 1.786 -0.059
H8 1.318 -1.786 -0.059
H9 0.020 2.525 0.557
H10 -0.020 -2.525 0.557

Atom - Atom Distances (Å)
  C1 C2 N3 N4 H5 H6 H7 H8 H9 H10
C11.33241.40462.43421.08702.09832.02312.58172.02553.1749
C21.33242.43421.40462.09831.08702.58172.02313.17492.0255
N31.40462.43423.73342.09842.70291.00963.97581.00964.4256
N42.43421.40463.73342.70292.09843.97581.00964.42561.0096
H51.08702.09832.09842.70293.06492.95212.41932.39903.4973
H62.09831.08702.70292.09843.06492.41932.95213.49732.3990
H72.02312.58171.00963.97582.95212.41934.43891.64794.5441
H82.58172.02313.97581.00962.41932.95214.43894.54411.6479
H92.02553.17491.00964.42562.39903.49731.64794.54415.0503
H103.17492.02554.42561.00963.49732.39904.54411.64795.0503

picture of diaminoethylene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N4 125.571 C1 C2 H6 119.948
C1 N3 H7 112.840 C1 N3 H9 113.054
C2 C1 N3 125.571 C2 C1 H5 119.948
C2 N4 H8 112.840 C2 N4 H10 113.054
N3 C1 H5 114.144 N4 C2 H6 114.144
H7 N3 H9 109.404 H8 N4 H10 109.404
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/Def2TZVPP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.032      
2 C -0.032      
3 N -0.308      
4 N -0.308      
5 H 0.051      
6 H 0.051      
7 H 0.138      
8 H 0.138      
9 H 0.151      
10 H 0.151      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.000 0.000 1.992 1.992
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.781 -1.518 0.000
y -1.518 -22.629 0.000
z 0.000 0.000 -28.506
Traceless
 xyz
x 4.786 -1.518 0.000
y -1.518 2.015 0.000
z 0.000 0.000 -6.800
Polar
3z2-r2-13.601
x2-y21.848
xy-1.518
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.868 0.089 0.000
y 0.089 9.408 0.000
z 0.000 0.000 4.445


<r2> (average value of r2) Å2
<r2> 97.193
(<r2>)1/2 9.859