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All results from a given calculation for H2NCHCHNH2 (diaminoethylene)

using model chemistry: B97D3/6-31G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2 1A
Energy calculated at B97D3/6-31G**
 hartrees
Energy at 0K-189.185004
Energy at 298.15K 
HF Energy-189.185004
Nuclear repulsion energy116.969541
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 B97D3/6-31G**
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 3536 3536 0.08      
2 A 3426 3426 0.20      
3 A 3094 3094 0.13      
4 A 1724 1724 0.18      
5 A 1622 1622 22.01      
6 A 1313 1313 0.71      
7 A 1266 1266 0.01      
8 A 1025 1025 1.21      
9 A 906 906 55.82      
10 A 816 816 133.84      
11 A 548 548 0.79      
12 A 335 335 0.00      
13 A 246 246 19.42      
14 B 3534 3534 1.55      
15 B 3424 3424 5.37      
16 B 3096 3096 66.26      
17 B 1630 1630 37.28      
18 B 1374 1374 10.27      
19 B 1166 1166 75.68      
20 B 1114 1114 0.86      
21 B 766 766 334.91      
22 B 737 737 127.08      
23 B 355 355 49.16      
24 B 256 256 86.77      

Unscaled Zero Point Vibrational Energy (zpe) 18655.3 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 18655.3 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 B97D3/6-31G**
ABC
1.41937 0.13123 0.12207

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/6-31G**

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.314 0.597 0.045
C2 -0.314 -0.597 0.045
N3 -0.314 1.858 -0.120
N4 0.314 -1.858 -0.120
H5 1.407 0.644 0.048
H6 -1.407 -0.644 0.048
H7 -1.328 1.781 -0.060
H8 1.328 -1.781 -0.060
H9 -0.005 2.532 0.581
H10 0.005 -2.532 0.581

Atom - Atom Distances (Å)
  C1 C2 N3 N4 H5 H6 H7 H8 H9 H10
C11.34911.41872.46091.09372.12172.02692.58712.03283.1892
C21.34912.46091.41872.12171.09372.58712.02693.18922.0328
N31.41872.46093.76952.11262.73591.01863.99291.01954.4570
N42.46091.41873.76952.73592.11263.99291.01864.45701.0195
H51.09372.12172.11262.73593.09442.96342.42872.41673.5120
H62.12171.09372.73592.11263.09442.42872.96343.51202.4167
H72.02692.58711.01863.99292.96342.42874.44281.65054.5591
H82.58712.02693.99291.01862.42872.96344.44284.55911.6505
H92.03283.18921.01954.45702.41673.51201.65054.55915.0631
H103.18922.03284.45701.01953.51202.41674.55911.65055.0631

picture of diaminoethylene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N4 125.513 C1 C2 H6 120.219
C1 N3 H7 111.480 C1 N3 H9 111.924
C2 C1 N3 125.513 C2 C1 H5 120.219
C2 N4 H8 111.480 C2 N4 H10 111.924
N3 C1 H5 113.838 N4 C2 H6 113.838
H7 N3 H9 108.159 H8 N4 H10 108.159
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.024      
2 C 0.024      
3 N -0.597      
4 N -0.597      
5 H 0.079      
6 H 0.079      
7 H 0.246      
8 H 0.246      
9 H 0.249      
10 H 0.249      


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 2.265 2.265
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.479 -1.894 0.000
y -1.894 -22.257 0.000
z 0.000 0.000 -27.565
Traceless
 xyz
x 4.432 -1.894 0.000
y -1.894 1.765 0.000
z 0.000 0.000 -6.197
Polar
3z2-r2-12.395
x2-y21.778
xy-1.894
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.327 0.017 0.000
y 0.017 8.868 0.000
z 0.000 0.000 2.781


<r2> (average value of r2) Å2
<r2> 98.215
(<r2>)1/2 9.910