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All results from a given calculation for H2NCHCHNH2 (diaminoethylene)

using model chemistry: M06-2X/aug-cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2 1A
Energy calculated at M06-2X/aug-cc-pVTZ
 hartrees
Energy at 0K-189.287606
Energy at 298.15K 
HF Energy-189.287606
Nuclear repulsion energy117.910552
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 M06-2X/aug-cc-pVTZ
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 3638 3477 4.06      
2 A 3546 3389 0.97      
3 A 3157 3017 0.04      
4 A 1780 1701 0.35      
5 A 1639 1567 19.10      
6 A 1339 1280 0.43      
7 A 1283 1226 0.00      
8 A 1040 994 0.05      
9 A 950 908 68.65      
10 A 785 750 133.83      
11 A 559 534 1.71      
12 A 331 316 3.23      
13 A 251 240 13.86      
14 B 3638 3477 18.88      
15 B 3544 3387 10.84      
16 B 3160 3020 34.89      
17 B 1647 1574 58.13      
18 B 1390 1328 10.99      
19 B 1187 1134 131.84      
20 B 1126 1076 0.84      
21 B 846 809 53.14      
22 B 727 695 293.18      
23 B 344 329 30.62      
24 B 253 242 99.12      

Unscaled Zero Point Vibrational Energy (zpe) 19078.9 cm-1
Scaled (by 0.9557) Zero Point Vibrational Energy (zpe) 18233.7 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 M06-2X/aug-cc-pVTZ
ABC
1.45505 0.13337 0.12387

See section I.F.4 to change rotational constant units
Geometric Data calculated at M06-2X/aug-cc-pVTZ

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.313 0.586 0.028
C2 -0.313 -0.586 0.028
N3 -0.313 1.845 -0.103
N4 0.313 -1.845 -0.103
H5 1.397 0.625 0.028
H6 -1.397 -0.625 0.028
H7 -1.320 1.786 -0.041
H8 1.320 -1.786 -0.041
H9 0.026 2.522 0.566
H10 -0.026 -2.522 0.566

Atom - Atom Distances (Å)
  C1 C2 N3 N4 H5 H6 H7 H8 H9 H10
C11.32851.41152.43411.08482.09492.02712.57772.02943.1721
C21.32852.43411.41152.09491.08482.57772.02713.17212.0294
N31.41152.43413.74182.10442.69991.01063.98111.01024.4265
N42.43411.41153.74182.69992.10443.98111.01064.42651.0102
H51.08482.09492.10442.69993.06042.95522.41282.40153.4947
H62.09491.08482.69992.10443.06042.41282.95523.49472.4015
H72.02712.57771.01063.98112.95522.41284.44121.64914.5384
H82.57772.02713.98111.01062.41282.95524.44124.53841.6491
H92.02943.17211.01024.42652.40153.49471.64914.53845.0438
H103.17212.02944.42651.01023.49472.40154.53841.64915.0438

picture of diaminoethylene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N4 125.305 C1 C2 H6 120.131
C1 N3 H7 112.587 C1 N3 H9 112.808
C2 C1 N3 125.305 C2 C1 H5 120.131
C2 N4 H8 112.587 C2 N4 H10 112.808
N3 C1 H5 114.277 N4 C2 H6 114.277
H7 N3 H9 109.386 H8 N4 H10 109.386
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at M06-2X/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.026      
2 C -0.026      
3 N -0.605      
4 N -0.605      
5 H 0.409      
6 H 0.409      
7 H 0.122      
8 H 0.122      
9 H 0.100      
10 H 0.100      


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 2.062 2.062
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -21.001 -1.230 0.000
y -1.230 -23.650 0.000
z 0.000 0.000 -28.811
Traceless
 xyz
x 5.229 -1.230 0.000
y -1.230 1.257 0.000
z 0.000 0.000 -6.486
Polar
3z2-r2-12.972
x2-y22.648
xy-1.230
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.187 0.028 0.000
y 0.028 9.756 0.000
z 0.000 0.000 5.130


<r2> (average value of r2) Å2
<r2> 97.660
(<r2>)1/2 9.882