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All results from a given calculation for H2NCHCHNH2 (diaminoethylene)

using model chemistry: PBE1PBE/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 PBE1PBE/6-311+G(3df,2p)
 hartrees
Energy at 0K-189.144042
Energy at 298.15K 
HF Energy-189.144042
Nuclear repulsion energy118.025612
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 PBE1PBE/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 3651 3651 2.76      
2 A 3557 3557 0.48      
3 A 3151 3151 0.06      
4 A 1772 1772 0.53      
5 A 1640 1640 19.79      
6 A 1336 1336 0.38      
7 A 1287 1287 0.01      
8 A 1036 1036 0.08      
9 A 936 936 70.37      
10 A 771 771 138.40      
11 A 556 556 2.57      
12 A 330 330 4.53      
13 A 242 242 15.46      
14 B 3651 3651 11.71      
15 B 3555 3555 5.61      
16 B 3155 3155 42.58      
17 B 1647 1647 59.39      
18 B 1391 1391 10.27      
19 B 1194 1194 133.38      
20 B 1120 1120 1.25      
21 B 825 825 53.00      
22 B 713 713 306.16      
23 B 343 343 33.53      
24 B 247 247 98.00      

Unscaled Zero Point Vibrational Energy (zpe) 19051.4 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 19051.4 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 PBE1PBE/6-311+G(3df,2p)
ABC
1.45883 0.13361 0.12410

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/6-311+G(3df,2p)

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.311 0.589 0.034
C2 -0.311 -0.589 0.034
N3 -0.311 1.841 -0.106
N4 0.311 -1.841 -0.106
H5 1.397 0.631 0.036
H6 -1.397 -0.631 0.036
H7 -1.318 1.790 -0.049
H8 1.318 -1.790 -0.049
H9 0.029 2.528 0.551
H10 -0.029 -2.528 0.551

Atom - Atom Distances (Å)
  C1 C2 N3 N4 H5 H6 H7 H8 H9 H10
C11.33201.40482.43381.08722.09902.02602.58522.02673.1779
C21.33202.43381.40482.09901.08722.58522.02603.17792.0267
N31.40482.43383.73372.09812.70351.01023.98031.01014.4272
N42.43381.40483.73372.70352.09813.98031.01024.42721.0101
H51.08722.09902.09812.70353.06612.95402.42402.39553.5041
H62.09901.08722.70352.09813.06612.42402.95403.50412.3955
H72.02602.58521.01023.98032.95402.42404.44671.64894.5468
H82.58522.02603.98031.01022.42402.95404.44674.54681.6489
H92.02673.17791.01014.42722.39553.50411.64894.54685.0568
H103.17792.02674.42721.01013.50412.39554.54681.64895.0568

picture of diaminoethylene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N4 125.546 C1 C2 H6 120.037
C1 N3 H7 113.035 C1 N3 H9 113.105
C2 C1 N3 125.546 C2 C1 H5 120.037
C2 N4 H8 113.035 C2 N4 H10 113.105
N3 C1 H5 114.090 N4 C2 H6 114.090
H7 N3 H9 109.408 H8 N4 H10 109.408
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/6-311+G(3df,2p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.373      
2 C 0.373      
3 N -0.830      
4 N -0.830      
5 H 0.104      
6 H 0.104      
7 H 0.173      
8 H 0.173      
9 H 0.182      
10 H 0.182      


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 2.001 2.001
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.866 -1.381 0.000
y -1.381 -22.972 0.000
z 0.000 0.000 -28.845
Traceless
 xyz
x 5.042 -1.381 0.000
y -1.381 1.883 0.000
z 0.000 0.000 -6.926
Polar
3z2-r2-13.851
x2-y22.106
xy-1.381
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.101 0.055 0.000
y 0.055 9.822 0.000
z 0.000 0.000 5.070


<r2> (average value of r2) Å2
<r2> 97.406
(<r2>)1/2 9.869