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All results from a given calculation for H2NCHCHNH2 (diaminoethylene)

using model chemistry: B1B95/Def2TZVPP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2 1A
Energy calculated at B1B95/Def2TZVPP
 hartrees
Energy at 0K-189.282131
Energy at 298.15K 
HF Energy-189.282131
Nuclear repulsion energy118.234891
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 B1B95/Def2TZVPP
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 2.33      
2 A 3554 3554 1.11      
3 A 3166 3166 0.04      
4 A 1778 1778 0.75      
5 A 1642 1642 19.32      
6 A 1337 1337 0.46      
7 A 1288 1288 0.02      
8 A 1038 1038 0.13      
9 A 941 941 66.01      
10 A 783 783 140.89      
11 A 554 554 2.18      
12 A 331 331 3.80      
13 A 244 244 15.69      
14 B 3649 3649 7.41      
15 B 3553 3553 3.44      
16 B 3171 3171 47.12      
17 B 1649 1649 51.91      
18 B 1392 1392 12.02      
19 B 1193 1193 123.74      
20 B 1123 1123 1.18      
21 B 827 827 58.96      
22 B 721 721 330.22      
23 B 342 342 38.88      
24 B 243 243 97.14      

Unscaled Zero Point Vibrational Energy (zpe) 19084.0 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 19084.0 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 B1B95/Def2TZVPP
ABC
1.46297 0.13405 0.12454

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/Def2TZVPP

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.311 0.588 0.035
C2 -0.311 -0.588 0.035
N3 -0.311 1.838 -0.107
N4 0.311 -1.838 -0.107
H5 1.394 0.628 0.037
H6 -1.394 -0.628 0.037
H7 -1.315 1.783 -0.053
H8 1.315 -1.783 -0.053
H9 0.022 2.521 0.555
H10 -0.022 -2.521 0.555

Atom - Atom Distances (Å)
  C1 C2 N3 N4 H5 H6 H7 H8 H9 H10
C11.32941.40382.43001.08382.09352.02012.57622.02273.1691
C21.32942.43001.40382.09351.08382.57622.02013.16912.0227
N31.40382.43003.72872.09542.69731.00753.97001.00764.4185
N42.43001.40383.72872.69732.09543.97001.00754.41851.0076
H51.08382.09352.09542.69733.05732.94642.41392.39443.4911
H62.09351.08382.69732.09543.05732.41392.94643.49112.3944
H72.02012.57621.00753.97002.94642.41394.43141.64414.5349
H82.57622.02013.97001.00752.41392.94644.43144.53491.6441
H92.02273.16911.00764.41852.39443.49111.64414.53495.0418
H103.16912.02274.41851.00763.49112.39444.53491.64415.0418

picture of diaminoethylene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N4 125.495 C1 C2 H6 120.003
C1 N3 H7 112.778 C1 N3 H9 113.003
C2 C1 N3 125.495 C2 C1 H5 120.003
C2 N4 H8 112.778 C2 N4 H10 113.003
N3 C1 H5 114.168 N4 C2 H6 114.168
H7 N3 H9 109.349 H8 N4 H10 109.349
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/Def2TZVPP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.023      
2 C -0.023      
3 N -0.320      
4 N -0.320      
5 H 0.054      
6 H 0.054      
7 H 0.139      
8 H 0.139      
9 H 0.150      
10 H 0.150      


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 1.998 1.998
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.745 -1.463 0.000
y -1.463 -22.653 0.000
z 0.000 0.000 -28.356
Traceless
 xyz
x 4.759 -1.463 0.000
y -1.463 1.898 0.000
z 0.000 0.000 -6.657
Polar
3z2-r2-13.314
x2-y21.907
xy-1.463
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.837 0.086 0.000
y 0.086 9.334 0.000
z 0.000 0.000 4.401


<r2> (average value of r2) Å2
<r2> 96.903
(<r2>)1/2 9.844