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All results from a given calculation for H2NCHCHNH2 (diaminoethylene)

using model chemistry: HF/6-311G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2 1A
Energy calculated at HF/6-311G**
 hartrees
Energy at 0K-188.142166
Energy at 298.15K 
HF Energy-188.142166
Nuclear repulsion energy118.359853
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 HF/6-311G**
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 3824 3474 1.49 104.00 0.74 0.85
2 A 3734 3393 2.87 226.83 0.05 0.10
3 A 3292 2991 0.01 155.27 0.33 0.49
4 A 1915 1739 0.01 60.23 0.20 0.33
5 A 1784 1621 27.36 8.49 0.74 0.85
6 A 1447 1315 0.83 18.26 0.37 0.54
7 A 1378 1252 0.01 18.09 0.60 0.75
8 A 1112 1010 0.14 9.38 0.31 0.48
9 A 1049 953 80.09 0.41 0.61 0.76
10 A 896 814 153.15 1.78 0.42 0.59
11 A 590 536 1.26 7.82 0.31 0.47
12 A 331 301 2.77 3.21 0.52 0.68
13 A 258 235 15.91 1.25 0.75 0.86
14 B 3824 3474 5.22 34.16 0.75 0.86
15 B 3734 3392 2.47 55.76 0.75 0.86
16 B 3293 2992 57.91 0.14 0.75 0.86
17 B 1795 1631 63.65 3.45 0.75 0.86
18 B 1508 1370 6.76 0.48 0.75 0.86
19 B 1232 1120 115.81 0.31 0.75 0.86
20 B 1221 1109 3.45 1.08 0.75 0.86
21 B 942 856 114.13 19.28 0.75 0.86
22 B 827 751 307.83 0.01 0.75 0.86
23 B 353 320 21.06 0.28 0.75 0.86
24 B 240 218 127.14 0.10 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 20289.0 cm-1
Scaled (by 0.9085) Zero Point Vibrational Energy (zpe) 18432.5 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 HF/6-311G**
ABC
1.47566 0.13368 0.12441

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/6-311G**

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.310 0.582 0.016
C2 -0.310 -0.582 0.016
N3 -0.310 1.846 -0.095
N4 0.310 -1.846 -0.095
H5 1.388 0.623 0.016
H6 -1.388 -0.623 0.016
H7 -1.307 1.786 -0.070
H8 1.307 -1.786 -0.070
H9 -0.004 2.477 0.617
H10 0.004 -2.477 0.617

Atom - Atom Distances (Å)
  C1 C2 N3 N4 H5 H6 H7 H8 H9 H10
C11.31911.41232.43101.07882.08222.01762.57112.01293.1329
C21.31912.43101.41232.08221.07882.57112.01763.13292.0129
N31.41232.43103.74422.09562.69660.99873.97620.99924.3930
N42.43101.41233.74422.69662.09563.97620.99874.39300.9992
H51.07882.08222.09562.69663.04282.93622.41242.39543.4478
H62.08221.07882.69662.09563.04282.41242.93623.44782.3954
H72.01762.57110.99873.97622.93622.41244.42641.62644.5133
H82.57112.01763.97620.99872.41242.93624.42644.51331.6264
H92.01293.13290.99924.39302.39543.44781.62644.51334.9546
H103.13292.01294.39300.99923.44782.39544.51331.62644.9546

picture of diaminoethylene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N4 125.715 C1 C2 H6 120.204
C1 N3 H7 112.486 C1 N3 H9 112.029
C2 C1 N3 125.715 C2 C1 H5 120.204
C2 N4 H8 112.486 C2 N4 H10 112.029
N3 C1 H5 113.876 N4 C2 H6 113.876
H7 N3 H9 108.990 H8 N4 H10 108.990
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.004      
2 C -0.004      
3 N -0.473      
4 N -0.473      
5 H 0.093      
6 H 0.093      
7 H 0.190      
8 H 0.190      
9 H 0.194      
10 H 0.194      


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 2.358 2.358
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.475 -1.599 0.000
y -1.599 -24.067 0.000
z 0.000 0.000 -27.981
Traceless
 xyz
x 5.549 -1.599 0.000
y -1.599 0.161 0.000
z 0.000 0.000 -5.710
Polar
3z2-r2-11.419
x2-y23.592
xy-1.599
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.106 0.433 0.000
y 0.433 7.852 0.000
z 0.000 0.000 3.277


<r2> (average value of r2) Å2
<r2> 96.987
(<r2>)1/2 9.848