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All results from a given calculation for H2NCHCHNH2 (diaminoethylene)

using model chemistry: B1B95/6-311+G(3df,2p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2 1A
Energy calculated at B1B95/6-311+G(3df,2p)
 hartrees
Energy at 0K-189.273165
Energy at 298.15K 
HF Energy-189.273165
Nuclear repulsion energy118.210239
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 B1B95/6-311+G(3df,2p)
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 3654 3654 2.64      
2 A 3559 3559 0.52      
3 A 3159 3159 0.06      
4 A 1776 1776 0.56      
5 A 1641 1641 19.58      
6 A 1337 1337 0.35      
7 A 1285 1285 0.01      
8 A 1034 1034 0.04      
9 A 939 939 66.96      
10 A 767 767 139.28      
11 A 552 552 2.74      
12 A 329 329 4.57      
13 A 241 241 14.75      
14 B 3653 3653 11.16      
15 B 3557 3557 5.76      
16 B 3163 3163 44.88      
17 B 1648 1648 58.93      
18 B 1390 1390 11.55      
19 B 1190 1190 135.35      
20 B 1118 1118 1.47      
21 B 827 827 49.47      
22 B 709 709 306.18      
23 B 340 340 35.68      
24 B 242 242 96.20      

Unscaled Zero Point Vibrational Energy (zpe) 19055.2 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 19055.2 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 B1B95/6-311+G(3df,2p)
ABC
1.46433 0.13401 0.12447

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/6-311+G(3df,2p)

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.311 0.587 0.034
C2 -0.311 -0.587 0.034
N3 -0.311 1.838 -0.106
N4 0.311 -1.838 -0.106
H5 1.394 0.629 0.035
H6 -1.394 -0.629 0.035
H7 -1.316 1.788 -0.048
H8 1.316 -1.788 -0.048
H9 0.029 2.525 0.549
H10 -0.029 -2.525 0.549

Atom - Atom Distances (Å)
  C1 C2 N3 N4 H5 H6 H7 H8 H9 H10
C11.32891.40382.42941.08392.09412.02402.58082.02523.1733
C21.32892.42941.40382.09411.08392.58082.02403.17332.0252
N31.40382.42943.72852.09492.69791.00813.97511.00804.4214
N42.42941.40383.72852.69792.09493.97511.00814.42141.0080
H51.08392.09412.09492.69793.05842.94892.41982.39273.4982
H62.09411.08392.69792.09493.05842.41982.94893.49822.3927
H72.02402.58081.00813.97512.94892.41984.44081.64604.5412
H82.58082.02403.97511.00812.41982.94894.44084.54121.6460
H92.02523.17331.00804.42142.39273.49821.64604.54125.0511
H103.17332.02524.42141.00803.49822.39274.54121.64605.0511

picture of diaminoethylene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N4 125.475 C1 C2 H6 120.087
C1 N3 H7 113.075 C1 N3 H9 113.190
C2 C1 N3 125.475 C2 C1 H5 120.087
C2 N4 H8 113.075 C2 N4 H10 113.190
N3 C1 H5 114.114 N4 C2 H6 114.114
H7 N3 H9 109.453 H8 N4 H10 109.453
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/6-311+G(3df,2p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.293      
2 C 0.293      
3 N -0.860      
4 N -0.860      
5 H 0.146      
6 H 0.146      
7 H 0.208      
8 H 0.208      
9 H 0.213      
10 H 0.213      


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 1.995 1.995
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.855 -1.353 0.000
y -1.353 -22.985 0.000
z 0.000 0.000 -28.696
Traceless
 xyz
x 4.985 -1.353 0.000
y -1.353 1.791 0.000
z 0.000 0.000 -6.776
Polar
3z2-r2-13.553
x2-y22.129
xy-1.353
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.073 0.049 0.000
y 0.049 9.767 0.000
z 0.000 0.000 5.015


<r2> (average value of r2) Å2
<r2> 97.131
(<r2>)1/2 9.856