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All results from a given calculation for H2NCHCHNH2 (diaminoethylene)

using model chemistry: HSEh1PBE/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 HSEh1PBE/6-311+G(3df,2p)
 hartrees
Energy at 0K-189.160295
Energy at 298.15K 
HF Energy-189.160295
Nuclear repulsion energy118.034804
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 HSEh1PBE/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 3648 3648 2.68      
2 A 3553 3553 0.44      
3 A 3150 3150 0.06      
4 A 1770 1770 0.54      
5 A 1641 1641 19.44      
6 A 1336 1336 0.39      
7 A 1287 1287 0.01      
8 A 1036 1036 0.07      
9 A 936 936 70.21      
10 A 770 770 139.29      
11 A 556 556 2.61      
12 A 330 330 4.53      
13 A 242 242 15.49      
14 B 3647 3647 11.35      
15 B 3551 3551 5.23      
16 B 3154 3154 43.42      
17 B 1648 1648 59.27      
18 B 1391 1391 10.21      
19 B 1192 1192 134.25      
20 B 1120 1120 1.36      
21 B 825 825 51.60      
22 B 712 712 306.78      
23 B 343 343 33.30      
24 B 247 247 98.43      

Unscaled Zero Point Vibrational Energy (zpe) 19041.9 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 19041.9 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 HSEh1PBE/6-311+G(3df,2p)
ABC
1.45949 0.13362 0.12411

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/6-311+G(3df,2p)

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.311 0.589 0.035
C2 -0.311 -0.589 0.035
N3 -0.311 1.841 -0.106
N4 0.311 -1.841 -0.106
H5 1.397 0.631 0.037
H6 -1.397 -0.631 0.037
H7 -1.318 1.791 -0.051
H8 1.318 -1.791 -0.051
H9 0.028 2.529 0.550
H10 -0.028 -2.529 0.550

Atom - Atom Distances (Å)
  C1 C2 N3 N4 H5 H6 H7 H8 H9 H10
C11.33191.40472.43351.08692.09862.02642.58572.02743.1787
C21.33192.43351.40472.09861.08692.58572.02643.17872.0274
N31.40472.43353.73322.09792.70311.01003.98061.00994.4279
N42.43351.40473.73322.70312.09793.98061.01004.42791.0099
H51.08692.09862.09792.70313.06552.95402.42452.39613.5044
H62.09861.08692.70312.09793.06552.42452.95403.50442.3961
H72.02642.58571.01003.98062.95402.42454.44761.64924.5486
H82.58572.02643.98061.01002.42452.95404.44764.54861.6492
H92.02743.17871.00994.42792.39613.50441.64924.54865.0590
H103.17872.02744.42791.00993.50442.39614.54861.64925.0590

picture of diaminoethylene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N4 125.541 C1 C2 H6 120.034
C1 N3 H7 113.098 C1 N3 H9 113.196
C2 C1 N3 125.541 C2 C1 H5 120.034
C2 N4 H8 113.098 C2 N4 H10 113.196
N3 C1 H5 114.098 N4 C2 H6 114.098
H7 N3 H9 109.471 H8 N4 H10 109.471
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/6-311+G(3df,2p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.346      
2 C 0.346      
3 N -0.821      
4 N -0.821      
5 H 0.110      
6 H 0.110      
7 H 0.178      
8 H 0.178      
9 H 0.187      
10 H 0.187      


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 1.991 1.991
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.888 -1.387 0.000
y -1.387 -22.961 0.000
z 0.000 0.000 -28.853
Traceless
 xyz
x 5.019 -1.387 0.000
y -1.387 1.910 0.000
z 0.000 0.000 -6.929
Polar
3z2-r2-13.857
x2-y22.072
xy-1.387
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.110 0.052 0.000
y 0.052 9.844 0.000
z 0.000 0.000 5.081


<r2> (average value of r2) Å2
<r2> 97.408
(<r2>)1/2 9.870