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All results from a given calculation for H2NCHCHNH2 (diaminoethylene)

using model chemistry: B97D3/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2 1A
Energy calculated at B97D3/6-31G*
 hartrees
Energy at 0K-189.168733
Energy at 298.15K 
HF Energy-189.168733
Nuclear repulsion energy116.871566
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 B97D3/6-31G*
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 3502 3433 0.02      
2 A 3395 3328 0.15      
3 A 3093 3032 0.15      
4 A 1729 1695 0.00      
5 A 1649 1617 25.09      
6 A 1322 1296 0.74      
7 A 1276 1251 0.01      
8 A 1033 1013 2.27      
9 A 908 890 61.84      
10 A 839 823 130.46      
11 A 547 537 0.78      
12 A 336 329 0.03      
13 A 247 242 20.07      
14 B 3501 3432 2.03      
15 B 3392 3326 7.07      
16 B 3095 3034 68.35      
17 B 1658 1626 37.34      
18 B 1385 1358 9.88      
19 B 1169 1146 68.50      
20 B 1125 1103 0.78      
21 B 784 769 453.22      
22 B 741 727 27.77      
23 B 357 350 53.49      
24 B 258 253 86.05      

Unscaled Zero Point Vibrational Energy (zpe) 18669.9 cm-1
Scaled (by 0.9804) Zero Point Vibrational Energy (zpe) 18303.9 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 B97D3/6-31G*
ABC
1.41595 0.13105 0.12193

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/6-31G*

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.314 0.597 0.046
C2 -0.314 -0.597 0.046
N3 -0.314 1.860 -0.121
N4 0.314 -1.860 -0.121
H5 1.407 0.647 0.048
H6 -1.407 -0.647 0.048
H7 -1.330 1.781 -0.063
H8 1.330 -1.781 -0.063
H9 -0.009 2.533 0.584
H10 0.009 -2.533 0.584

Atom - Atom Distances (Å)
  C1 C2 N3 N4 H5 H6 H7 H8 H9 H10
C11.34931.41982.46261.09472.12392.02842.58822.03473.1905
C21.34932.46261.41982.12391.09472.58822.02843.19052.0347
N31.41982.46263.77192.11212.74021.02073.99471.02174.4604
N42.46261.41983.77192.74022.11213.99471.02074.46041.0217
H51.09472.12392.11212.74023.09812.96472.43172.41843.5152
H62.12391.09472.74022.11213.09812.43172.96473.51522.4184
H72.02842.58821.02073.99472.96472.43174.44501.65224.5626
H82.58822.02843.99471.02072.43172.96474.44504.56261.6522
H92.03473.19051.02174.46042.41843.51521.65224.56265.0656
H103.19052.03474.46041.02173.51522.41844.56261.65225.0656

picture of diaminoethylene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N4 125.552 C1 C2 H6 120.342
C1 N3 H7 111.380 C1 N3 H9 111.856
C2 C1 N3 125.552 C2 C1 H5 120.342
C2 N4 H8 111.380 C2 N4 H10 111.856
N3 C1 H5 113.649 N4 C2 H6 113.649
H7 N3 H9 107.988 H8 N4 H10 107.988
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.018      
2 C -0.018      
3 N -0.712      
4 N -0.712      
5 H 0.118      
6 H 0.118      
7 H 0.305      
8 H 0.305      
9 H 0.306      
10 H 0.306      


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 2.348 2.348
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.412 -1.926 0.000
y -1.926 -22.425 0.000
z 0.000 0.000 -27.663
Traceless
 xyz
x 4.632 -1.926 0.000
y -1.926 1.612 0.000
z 0.000 0.000 -6.244
Polar
3z2-r2-12.488
x2-y22.013
xy-1.926
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.253 0.018 0.000
y 0.018 8.818 0.000
z 0.000 0.000 2.719


<r2> (average value of r2) Å2
<r2> 98.370
(<r2>)1/2 9.918