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All results from a given calculation for H2NCHCHNH2 (diaminoethylene)

using model chemistry: M06-2X/STO-3G

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/STO-3G
 hartrees
Energy at 0K-186.848300
Energy at 298.15K 
HF Energy-186.848300
Nuclear repulsion energy115.735552
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/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 3811 3811 0.04      
2 A 3620 3620 3.60      
3 A 3520 3520 0.03      
4 A 1956 1956 0.00      
5 A 1826 1826 15.92      
6 A 1429 1429 1.66      
7 A 1390 1390 0.40      
8 A 1117 1117 0.41      
9 A 1062 1062 32.85      
10 A 883 883 82.90      
11 A 561 561 0.08      
12 A 319 319 0.18      
13 A 272 272 7.70      
14 B 3811 3811 1.53      
15 B 3617 3617 1.01      
16 B 3509 3509 32.21      
17 B 1831 1831 8.37      
18 B 1500 1500 12.60      
19 B 1289 1289 25.82      
20 B 1212 1212 0.26      
21 B 864 864 51.23      
22 B 808 808 373.99      
23 B 353 353 62.05      
24 B 271 271 55.24      

Unscaled Zero Point Vibrational Energy (zpe) 20415.1 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 20415.1 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/STO-3G
ABC
1.37984 0.12943 0.12021

See section I.F.4 to change rotational constant units
Geometric Data calculated at M06-2X/STO-3G

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.322 0.585 0.015
C2 -0.322 -0.585 0.015
N3 -0.322 1.879 -0.119
N4 0.322 -1.879 -0.119
H5 1.416 0.628 0.009
H6 -1.416 -0.628 0.009
H7 -1.335 1.773 0.132
H8 1.335 -1.773 0.132
H9 0.083 2.533 0.596
H10 -0.083 -2.533 0.596

Atom - Atom Distances (Å)
  C1 C2 N3 N4 H5 H6 H7 H8 H9 H10
C11.33581.45182.46811.09472.11952.04182.56902.04673.1976
C21.33582.46811.45182.11951.09472.56902.04183.19762.0467
N31.45182.46813.81342.14532.73851.04854.01821.04954.4763
N42.46811.45183.81342.73852.14534.01821.04854.47631.0495
H51.09472.11952.14532.73853.09792.98182.40562.39823.5473
H62.11951.09472.73852.14533.09792.40562.98183.54732.3982
H72.04182.56901.04854.01822.98182.40564.43821.67374.5084
H82.56902.04184.01821.04852.40562.98184.43824.50841.6737
H92.04673.19761.04954.47632.39823.54731.67374.50845.0691
H103.19762.04674.47631.04953.54732.39824.50841.67375.0691

picture of diaminoethylene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N4 124.547 C1 C2 H6 121.071
C1 N3 H7 108.419 C1 N3 H9 108.757
C2 C1 N3 124.547 C2 C1 H5 121.071
C2 N4 H8 108.419 C2 N4 H10 108.757
N3 C1 H5 114.067 N4 C2 H6 114.067
H7 N3 H9 105.835 H8 N4 H10 105.835
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at M06-2X/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.034      
2 C -0.034      
3 N -0.370      
4 N -0.370      
5 H 0.068      
6 H 0.068      
7 H 0.168      
8 H 0.168      
9 H 0.168      
10 H 0.168      


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 2.874 2.874
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.750 -0.868 0.000
y -0.868 -22.851 0.000
z 0.000 0.000 -24.907
Traceless
 xyz
x 4.129 -0.868 0.000
y -0.868 -0.523 0.000
z 0.000 0.000 -3.606
Polar
3z2-r2-7.212
x2-y23.102
xy-0.868
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.200 0.128 0.000
y 0.128 5.799 0.000
z 0.000 0.000 0.900


<r2> (average value of r2) Å2
<r2> 98.744
(<r2>)1/2 9.937