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All results from a given calculation for H2NCHCHNH2 (diaminoethylene)

using model chemistry: HSEh1PBE/6-31G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2 1A
Energy calculated at HSEh1PBE/6-31G**
 hartrees
Energy at 0K-189.094495
Energy at 298.15K 
HF Energy-189.094495
Nuclear repulsion energy117.766014
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/6-31G**
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 3655 3488 0.95      
2 A 3548 3386 1.93      
3 A 3172 3027 0.12      
4 A 1797 1714 0.41      
5 A 1653 1578 24.53      
6 A 1341 1280 0.67      
7 A 1300 1240 0.03      
8 A 1052 1004 0.31      
9 A 946 903 56.07      
10 A 816 779 164.82      
11 A 561 535 1.71      
12 A 340 324 0.13      
13 A 256 244 20.46      
14 B 3654 3487 3.05      
15 B 3546 3384 0.01      
16 B 3174 3029 53.46      
17 B 1662 1586 53.32      
18 B 1400 1336 10.43      
19 B 1214 1158 98.16      
20 B 1131 1079 0.74      
21 B 813 776 108.12      
22 B 744 710 343.87      
23 B 353 337 49.93      
24 B 257 245 100.70      

Unscaled Zero Point Vibrational Energy (zpe) 19191.2 cm-1
Scaled (by 0.9543) Zero Point Vibrational Energy (zpe) 18314.2 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 HSEh1PBE/6-31G**
ABC
1.44443 0.13304 0.12369

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/6-31G**

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.311 0.592 0.036
C2 -0.311 -0.592 0.036
N3 -0.311 1.846 -0.110
N4 0.311 -1.846 -0.110
H5 1.400 0.636 0.038
H6 -1.400 -0.636 0.038
H7 -1.321 1.777 -0.066
H8 1.321 -1.777 -0.066
H9 0.001 2.516 0.583
H10 -0.001 -2.516 0.583

Atom - Atom Distances (Å)
  C1 C2 N3 N4 H5 H6 H7 H8 H9 H10
C11.33821.40722.44261.08992.10642.01942.57762.02353.1712
C21.33822.44261.40722.10641.08992.57762.01943.17122.0235
N31.40722.44263.74392.10152.71411.01283.97391.01344.4272
N42.44261.40723.74392.71412.10153.97391.01284.42721.0134
H51.08992.10642.10152.71413.07562.95272.41642.40593.4917
H62.10641.08992.71412.10153.07562.41642.95273.49172.4059
H72.01942.57761.01283.97392.95272.41644.42851.64784.5378
H82.57762.01943.97391.01282.41642.95274.42854.53781.6478
H92.02353.17121.01344.42722.40593.49171.64784.53785.0313
H103.17122.02354.42721.01343.49172.40594.53781.64785.0313

picture of diaminoethylene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N4 125.651 C1 C2 H6 119.996
C1 N3 H7 112.083 C1 N3 H9 112.411
C2 C1 N3 125.651 C2 C1 H5 119.996
C2 N4 H8 112.083 C2 N4 H10 112.411
N3 C1 H5 114.005 N4 C2 H6 114.005
H7 N3 H9 108.829 H8 N4 H10 108.829
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.010      
2 C 0.010      
3 N -0.643      
4 N -0.643      
5 H 0.105      
6 H 0.105      
7 H 0.262      
8 H 0.262      
9 H 0.266      
10 H 0.266      


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 2.322 2.322
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.289 -1.852 0.000
y -1.852 -22.348 0.000
z 0.000 0.000 -27.659
Traceless
 xyz
x 4.715 -1.852 0.000
y -1.852 1.626 0.000
z 0.000 0.000 -6.341
Polar
3z2-r2-12.681
x2-y22.059
xy-1.852
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.161 0.113 0.000
y 0.113 8.440 0.000
z 0.000 0.000 2.718


<r2> (average value of r2) Å2
<r2> 97.137
(<r2>)1/2 9.856