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All results from a given calculation for H2NCHCHNH2 (diaminoethylene)

using model chemistry: wB97X-D/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2 1A
Energy calculated at wB97X-D/6-31G(2df,p)
 hartrees
Energy at 0K-189.248156
Energy at 298.15K 
HF Energy-189.248156
Nuclear repulsion energy117.794013
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 wB97X-D/6-31G(2df,p)
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 3658 3658 1.66      
2 A 3562 3562 2.56      
3 A 3176 3176 0.05      
4 A 1801 1801 0.13      
5 A 1654 1654 21.67      
6 A 1345 1345 0.64      
7 A 1300 1300 0.03      
8 A 1052 1052 0.82      
9 A 954 954 48.81      
10 A 821 821 138.01      
11 A 566 566 1.01      
12 A 339 339 0.74      
13 A 256 256 15.95      
14 B 3658 3658 4.92      
15 B 3561 3561 1.38      
16 B 3177 3177 48.67      
17 B 1662 1662 50.17      
18 B 1400 1400 8.39      
19 B 1203 1203 95.98      
20 B 1134 1134 0.93      
21 B 835 835 96.34      
22 B 750 750 324.79      
23 B 354 354 34.64      
24 B 262 262 96.54      

Unscaled Zero Point Vibrational Energy (zpe) 19239.1 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 19239.1 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 wB97X-D/6-31G(2df,p)
ABC
1.45093 0.13301 0.12362

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/6-31G(2df,p)

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.311 0.588 0.028
C2 -0.311 -0.588 0.028
N3 -0.311 1.848 -0.106
N4 0.311 -1.848 -0.106
H5 1.399 0.633 0.030
H6 -1.399 -0.633 0.030
H7 -1.319 1.783 -0.036
H8 1.319 -1.783 -0.036
H9 0.020 2.512 0.581
H10 -0.020 -2.512 0.581

Atom - Atom Distances (Å)
  C1 C2 N3 N4 H5 H6 H7 H8 H9 H10
C11.33161.41142.44001.08842.10192.02192.57722.02283.1670
C21.33162.44001.41142.10191.08842.57722.02193.16702.0228
N31.41142.44003.74762.10212.71231.01183.98041.01174.4236
N42.44001.41143.74762.71232.10213.98041.01184.42361.0117
H51.08842.10192.10212.71233.07112.95162.41842.39523.4943
H62.10191.08842.71232.10213.07112.41842.95163.49432.3952
H72.02192.57721.01183.98042.95162.41844.43521.64434.5297
H82.57722.02193.98041.01182.41842.95164.43524.52971.6443
H92.02283.16701.01174.42362.39523.49431.64434.52975.0250
H103.16702.02284.42361.01173.49432.39524.52971.64435.0250

picture of diaminoethylene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N4 125.604 C1 C2 H6 120.247
C1 N3 H7 112.054 C1 N3 H9 112.140
C2 C1 N3 125.604 C2 C1 H5 120.247
C2 N4 H8 112.054 C2 N4 H10 112.140
N3 C1 H5 113.853 N4 C2 H6 113.853
H7 N3 H9 108.702 H8 N4 H10 108.702
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.053      
2 C -0.053      
3 N -0.570      
4 N -0.570      
5 H 0.106      
6 H 0.106      
7 H 0.257      
8 H 0.257      
9 H 0.260      
10 H 0.260      


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 2.167 2.167
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.296 -1.479 0.000
y -1.479 -22.444 0.000
z 0.000 0.000 -27.375
Traceless
 xyz
x 4.614 -1.479 0.000
y -1.479 1.391 0.000
z 0.000 0.000 -6.005
Polar
3z2-r2-12.010
x2-y22.148
xy-1.479
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.323 0.115 0.000
y 0.115 8.452 0.000
z 0.000 0.000 3.162


<r2> (average value of r2) Å2
<r2> 97.097
(<r2>)1/2 9.854