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All results from a given calculation for H2NCHCHNH2 (diaminoethylene)

using model chemistry: wB97X-D/CEP-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 wB97X-D/CEP-31G*
 hartrees
Energy at 0K-34.685107
Energy at 298.15K 
HF Energy-34.685107
Nuclear repulsion energy65.975936
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/CEP-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 3659 3659 0.78      
2 A 3551 3551 1.97      
3 A 3175 3175 0.00      
4 A 1779 1779 0.42      
5 A 1670 1670 33.86      
6 A 1317 1317 0.01      
7 A 1278 1278 0.45      
8 A 1042 1042 0.01      
9 A 933 933 105.36      
10 A 834 834 149.61      
11 A 543 543 1.57      
12 A 320 320 1.76      
13 A 249 249 19.21      
14 B 3658 3658 1.76      
15 B 3550 3550 0.36      
16 B 3179 3179 72.66      
17 B 1683 1683 60.49      
18 B 1381 1381 9.93      
19 B 1178 1178 129.55      
20 B 1118 1118 2.82      
21 B 800 800 218.88      
22 B 758 758 259.46      
23 B 336 336 43.76      
24 B 248 248 121.07      

Unscaled Zero Point Vibrational Energy (zpe) 19119.2 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 19119.2 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 wB97X-D/CEP-31G*
ABC
1.38969 0.12925 0.12005

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/CEP-31G*

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.322 0.602 0.034
C2 -0.322 -0.602 0.034
N3 -0.322 1.874 -0.112
N4 0.322 -1.874 -0.112
H5 1.417 0.652 0.025
H6 -1.417 -0.652 0.025
H7 -1.336 1.788 -0.036
H8 1.336 -1.788 -0.036
H9 0.003 2.538 0.591
H10 -0.003 -2.538 0.591

Atom - Atom Distances (Å)
  C1 C2 N3 N4 H5 H6 H7 H8 H9 H10
C11.36671.43342.48101.09572.14482.03982.59762.03903.2058
C21.36672.48101.43342.14481.09572.59762.03983.20582.0390
N31.43342.48103.80352.13022.75681.02004.02111.02004.4792
N42.48101.43343.80352.75682.13024.02111.02004.47921.0200
H51.09572.14482.13022.75683.11982.97862.44262.42403.5372
H62.14481.09572.75682.13023.11982.44262.97863.53722.4240
H72.03982.59761.02004.02112.97862.44264.46421.65704.5701
H82.59762.03984.02111.02002.44262.97864.46424.57011.6570
H92.03903.20581.02004.47922.42403.53721.65704.57015.0758
H103.20582.03904.47921.02003.53722.42404.57011.65705.0758

picture of diaminoethylene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N4 124.746 C1 C2 H6 120.758
C1 N3 H7 111.379 C1 N3 H9 111.307
C2 C1 N3 124.746 C2 C1 H5 120.758
C2 N4 H8 111.379 C2 N4 H10 111.307
N3 C1 H5 114.094 N4 C2 H6 114.094
H7 N3 H9 108.645 H8 N4 H10 108.645
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/CEP-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.319      
2 C -0.319      
3 N -0.472      
4 N -0.472      
5 H 0.231      
6 H 0.231      
7 H 0.275      
8 H 0.275      
9 H 0.286      
10 H 0.286      


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 2.588 2.588
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.657 -1.761 0.000
y -1.761 -23.059 0.000
z 0.000 0.000 -28.359
Traceless
 xyz
x 6.052 -1.761 0.000
y -1.761 0.949 0.000
z 0.000 0.000 -7.001
Polar
3z2-r2-14.002
x2-y23.402
xy-1.761
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.074 0.397 0.000
y 0.397 8.693 0.000
z 0.000 0.000 3.271


<r2> (average value of r2) Å2
<r2> 83.250
(<r2>)1/2 9.124