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All results from a given calculation for H2NCHCHNH2 (diaminoethylene)

using model chemistry: wB97X-D/daug-cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2 1A
Energy calculated at wB97X-D/daug-cc-pVTZ
 hartrees
Energy at 0K-189.311191
Energy at 298.15K 
HF Energy-189.311191
Nuclear repulsion energy117.968541
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 wB97X-D/daug-cc-pVTZ
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 3650 3650 2.71      
2 A 3558 3558 0.24      
3 A 3169 3169 0.05      
4 A 1783 1783 0.49      
5 A 1652 1652 18.68      
6 A 1344 1344 0.41      
7 A 1289 1289 0.01      
8 A 1043 1043 0.30      
9 A 934 934 71.00      
10 A 775 775 136.93      
11 A 562 562 2.17      
12 A 334 334 3.85      
13 A 244 244 15.06      
14 B 3649 3649 10.37      
15 B 3556 3556 5.91      
16 B 3171 3171 44.92      
17 B 1660 1660 58.13      
18 B 1396 1396 8.31      
19 B 1186 1186 139.82      
20 B 1131 1131 1.50      
21 B 831 831 53.07      
22 B 718 718 299.91      
23 B 348 348 24.37      
24 B 253 253 105.23      

Unscaled Zero Point Vibrational Energy (zpe) 19117.0 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 19117.0 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 wB97X-D/daug-cc-pVTZ
ABC
1.45911 0.13340 0.12391

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/daug-cc-pVTZ

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.312 0.587 0.030
C2 -0.312 -0.587 0.030
N3 -0.312 1.843 -0.103
N4 0.312 -1.843 -0.103
H5 1.396 0.629 0.031
H6 -1.396 -0.629 0.031
H7 -1.318 1.793 -0.050
H8 1.318 -1.793 -0.050
H9 0.028 2.525 0.558
H10 -0.028 -2.525 0.558

Atom - Atom Distances (Å)
  C1 C2 N3 N4 H5 H6 H7 H8 H9 H10
C11.32901.40942.43381.08512.09682.02922.58452.02853.1741
C21.32902.43381.40942.09681.08512.58452.02923.17412.0285
N31.40942.43383.73922.10002.70341.00903.98501.00864.4270
N42.43381.40943.73922.70342.10003.98501.00904.42701.0086
H51.08512.09682.10002.70343.06302.95432.42442.39623.5005
H62.09681.08512.70342.10003.06302.42442.95433.50052.3962
H72.02922.58451.00903.98502.95432.42444.45011.64864.5466
H82.58452.02923.98501.00902.42442.95434.45014.54661.6486
H92.02853.17411.00864.42702.39623.50051.64864.54665.0496
H103.17412.02854.42701.00863.50052.39624.54661.64865.0496

picture of diaminoethylene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N4 125.412 C1 C2 H6 120.249
C1 N3 H7 113.047 C1 N3 H9 113.005
C2 C1 N3 125.412 C2 C1 H5 120.249
C2 N4 H8 113.047 C2 N4 H10 113.005
N3 C1 H5 114.043 N4 C2 H6 114.043
H7 N3 H9 109.600 H8 N4 H10 109.600
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/daug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.515      
2 C -0.515      
3 N -0.524      
4 N -0.524      
5 H 0.657      
6 H 0.657      
7 H 0.174      
8 H 0.174      
9 H 0.208      
10 H 0.208      


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 2.031 2.031
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.798 -1.311 0.000
y -1.311 -23.229 0.000
z 0.000 0.000 -28.630
Traceless
 xyz
x 5.132 -1.311 0.000
y -1.311 1.485 0.000
z 0.000 0.000 -6.617
Polar
3z2-r2-13.234
x2-y22.431
xy-1.311
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.273 0.037 0.000
y 0.037 9.966 0.000
z 0.000 0.000 5.290


<r2> (average value of r2) Å2
<r2> 97.494
(<r2>)1/2 9.874