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All results from a given calculation for H2NCHCHNH2 (diaminoethylene)

using model chemistry: TPSSh/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 TPSSh/6-311G**
 hartrees
Energy at 0K-189.353453
Energy at 298.15K 
HF Energy-189.353453
Nuclear repulsion energy117.305004
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 TPSSh/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 3568 3568 0.30      
2 A 3474 3474 0.55      
3 A 3132 3132 0.00      
4 A 1743 1743 0.09      
5 A 1650 1650 24.40      
6 A 1334 1334 0.62      
7 A 1283 1283 0.00      
8 A 1032 1032 0.50      
9 A 933 933 78.38      
10 A 822 822 129.93      
11 A 546 546 1.19      
12 A 335 335 1.01      
13 A 252 252 17.48      
14 B 3567 3567 0.85      
15 B 3472 3472 1.09      
16 B 3136 3136 57.74      
17 B 1658 1658 44.64      
18 B 1393 1393 8.71      
19 B 1171 1171 92.29      
20 B 1126 1126 1.67      
21 B 794 794 153.20      
22 B 755 755 297.42      
23 B 349 349 49.81      
24 B 248 248 84.64      

Unscaled Zero Point Vibrational Energy (zpe) 18885.4 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 18885.4 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 TPSSh/6-311G**
ABC
1.43454 0.13187 0.12265

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

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.313 0.593 0.042
C2 -0.313 -0.593 0.042
N3 -0.313 1.854 -0.116
N4 0.313 -1.854 -0.116
H5 1.400 0.640 0.042
H6 -1.400 -0.640 0.042
H7 -1.324 1.786 -0.056
H8 1.324 -1.786 -0.056
H9 0.008 2.529 0.572
H10 -0.008 -2.529 0.572

Atom - Atom Distances (Å)
  C1 C2 N3 N4 H5 H6 H7 H8 H9 H10
C11.34061.41702.45221.08832.11052.02792.58632.03053.1826
C21.34062.45221.41702.11051.08832.58632.02793.18262.0305
N31.41702.45223.76092.10592.72541.01533.99151.01594.4475
N42.45221.41703.76092.72542.10593.99151.01534.44751.0159
H51.08832.11052.10592.72543.07902.95712.42862.40613.5078
H62.11051.08832.72542.10593.07902.42862.95713.50782.4061
H72.02792.58631.01533.99152.95712.42864.44591.64964.5545
H82.58632.02793.99151.01532.42862.95714.44594.55451.6496
H92.03053.18261.01594.44752.40613.50781.64964.55455.0580
H103.18262.03054.44751.01593.50782.40614.55451.64965.0580

picture of diaminoethylene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N4 125.526 C1 C2 H6 120.306
C1 N3 H7 111.902 C1 N3 H9 112.093
C2 C1 N3 125.526 C2 C1 H5 120.306
C2 N4 H8 111.902 C2 N4 H10 112.093
N3 C1 H5 113.750 N4 C2 H6 113.750
H7 N3 H9 108.603 H8 N4 H10 108.603
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at TPSSh/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.048      
2 C -0.048      
3 N -0.441      
4 N -0.441      
5 H 0.094      
6 H 0.094      
7 H 0.195      
8 H 0.195      
9 H 0.200      
10 H 0.200      


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 2.182 2.182
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.520 0.117 0.000
y 0.117 8.990 0.000
z 0.000 0.000 3.437


<r2> (average value of r2) Å2
<r2> 98.013
(<r2>)1/2 9.900