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All results from a given calculation for H2NCHCHNH2 (diaminoethylene)

using model chemistry: HSEh1PBE/aug-cc-pVDZ

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/aug-cc-pVDZ
 hartrees
Energy at 0K-189.119821
Energy at 298.15K 
HF Energy-189.119821
Nuclear repulsion energy117.531751
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/aug-cc-pVDZ
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 3636 3499 2.34      
2 A 3534 3400 0.14      
3 A 3167 3048 0.07      
4 A 1776 1709 0.66      
5 A 1625 1563 17.89      
6 A 1325 1275 0.50      
7 A 1284 1235 0.01      
8 A 1038 999 0.02      
9 A 930 895 69.34      
10 A 778 748 128.44      
11 A 554 533 2.32      
12 A 328 315 3.49      
13 A 245 236 15.96      
14 B 3635 3498 8.31      
15 B 3532 3398 3.04      
16 B 3171 3051 46.61      
17 B 1633 1571 55.08      
18 B 1381 1329 11.21      
19 B 1196 1151 131.44      
20 B 1117 1075 1.26      
21 B 819 788 58.31      
22 B 721 694 290.10      
23 B 343 330 35.60      
24 B 250 240 97.71      

Unscaled Zero Point Vibrational Energy (zpe) 19007.7 cm-1
Scaled (by 0.9622) Zero Point Vibrational Energy (zpe) 18289.2 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/aug-cc-pVDZ
ABC
1.43947 0.13260 0.12319

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/aug-cc-pVDZ

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.312 0.593 0.036
C2 -0.312 -0.593 0.036
N3 -0.312 1.848 -0.109
N4 0.312 -1.848 -0.109
H5 1.406 0.636 0.038
H6 -1.406 -0.636 0.038
H7 -1.324 1.789 -0.057
H8 1.324 -1.789 -0.057
H9 0.015 2.531 0.565
H10 -0.015 -2.531 0.565

Atom - Atom Distances (Å)
  C1 C2 N3 N4 H5 H6 H7 H8 H9 H10
C11.34051.40942.44511.09412.11262.02912.58962.03113.1857
C21.34052.44511.40942.11261.09412.58962.02913.18572.0311
N31.40942.44513.74812.10762.71791.01443.98851.01454.4408
N42.44511.40943.74812.71792.10763.98851.01444.44081.0145
H51.09412.11262.10762.71793.08592.96462.42862.40893.5116
H62.11261.09412.71792.10763.08592.42862.96463.51162.4089
H72.02912.58961.01443.98852.96462.42864.45141.65264.5570
H82.58962.02913.98851.01442.42862.96464.45144.55701.6526
H92.03113.18571.01454.44082.40893.51161.65264.55705.0630
H103.18572.03114.44081.01453.51162.40894.55701.65265.0630

picture of diaminoethylene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N4 125.514 C1 C2 H6 120.053
C1 N3 H7 112.662 C1 N3 H9 112.827
C2 C1 N3 125.514 C2 C1 H5 120.053
C2 N4 H8 112.662 C2 N4 H10 112.827
N3 C1 H5 114.083 N4 C2 H6 114.083
H7 N3 H9 109.078 H8 N4 H10 109.078
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.832      
2 C 0.832      
3 N -0.280      
4 N -0.280      
5 H -0.484      
6 H -0.484      
7 H -0.036      
8 H -0.036      
9 H -0.032      
10 H -0.032      


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 2.006 2.006
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -21.007 -1.430 0.000
y -1.430 -23.337 0.000
z 0.000 0.000 -28.879
Traceless
 xyz
x 5.101 -1.430 0.000
y -1.430 1.605 0.000
z 0.000 0.000 -6.707
Polar
3z2-r2-13.414
x2-y22.331
xy-1.430
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.320 0.017 0.000
y 0.017 10.138 0.000
z 0.000 0.000 5.261


<r2> (average value of r2) Å2
<r2> 98.121
(<r2>)1/2 9.906