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All results from a given calculation for C2H8N2 (Ethylenediamine)

using model chemistry: wB97X-D/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2H 1Ag
Energy calculated at wB97X-D/6-31G*
 hartrees
Energy at 0K-190.453211
Energy at 298.15K-190.463488
HF Energy-190.453211
Nuclear repulsion energy 
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/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 Ag 3519 3338 0.00      
2 Ag 3050 2893 0.00      
3 Ag 1712 1624 0.00      
4 Ag 1513 1435 0.00      
5 Ag 1441 1367 0.00      
6 Ag 1153 1093 0.00      
7 Ag 1082 1026 0.00      
8 Ag 873 828 0.00      
9 Ag 470 446 0.00      
10 Au 3608 3423 0.08      
11 Au 3111 2951 80.10      
12 Au 1425 1352 2.23      
13 Au 1102 1046 0.33      
14 Au 764 724 0.46      
15 Au 276 262 127.71      
16 Au 153 146 1.10      
17 Bg 3609 3423 0.00      
18 Bg 3085 2926 0.00      
19 Bg 1401 1328 0.00      
20 Bg 1326 1258 0.00      
21 Bg 965 916 0.00      
22 Bg 309 293 0.00      
23 Bu 3519 3338 1.63      
24 Bu 3056 2899 94.70      
25 Bu 1711 1623 53.19      
26 Bu 1528 1450 1.26      
27 Bu 1362 1292 25.26      
28 Bu 1127 1069 11.65      
29 Bu 910 863 444.60      
30 Bu 282 268 20.80      

Unscaled Zero Point Vibrational Energy (zpe) 24721.4 cm-1
Scaled (by 0.9485) Zero Point Vibrational Energy (zpe) 23448.2 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/6-31G*
ABC
0.87687 0.12503 0.11830

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/6-31G*

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.398 0.659 0.000
C2 -0.398 -0.659 0.000
N3 -0.398 1.881 0.000
N4 0.398 -1.881 0.000
H5 1.003 -1.908 0.816
H6 1.003 -1.908 -0.816
H7 -1.003 1.908 0.816
H8 -1.003 1.908 -0.816
H9 -1.056 -0.680 -0.879
H10 -1.056 -0.680 0.879
H11 1.056 0.680 -0.879
H12 1.056 0.680 0.879

Atom - Atom Distances (Å)
  C1 C2 N3 N4 H5 H6 H7 H8 H9 H10 H11 H12
C11.53971.45882.54022.76032.76032.04642.04642.16372.16371.09801.0980
C21.53972.54021.45882.04642.04642.76032.76031.09801.09802.16372.1637
N31.45882.54023.84594.12134.12131.01611.01612.78712.78712.08072.0807
N42.54021.45883.84591.01611.01614.12134.12132.08072.08072.78712.7871
H52.76032.04644.12131.01611.63234.31044.60912.93572.39803.09412.5895
H62.76032.04644.12131.01611.63234.60914.31042.39802.93572.58953.0941
H72.04642.76031.01614.12134.31044.60911.63233.09412.58952.93572.3980
H82.04642.76031.01614.12134.60914.31041.63232.58953.09412.39802.9357
H92.16371.09802.78712.08072.93572.39803.09412.58951.75702.51333.0666
H102.16371.09802.78712.08072.39802.93572.58953.09411.75703.06662.5133
H111.09802.16372.08072.78713.09412.58952.93572.39802.51333.06661.7570
H121.09802.16372.08072.78712.58953.09412.39802.93573.06662.51331.7570

picture of Ethylenediamine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N4 115.782 C1 C2 H9 109.077
C1 C2 H10 109.077 C1 N3 H7 110.280
C1 N3 H8 110.280 C2 C1 N3 115.782
C2 C1 H11 109.077 C2 C1 H12 109.077
C2 N4 H5 110.280 C2 N4 H6 110.280
N3 C1 H11 108.108 N3 C1 H12 108.108
N4 C2 H9 108.108 N4 C2 H10 108.108
H5 N4 H6 106.881 H7 N3 H8 106.881
H9 C2 H10 106.275 H11 C1 H12 106.275
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.189      
2 C -0.189      
3 N -0.739      
4 N -0.739      
5 H 0.311      
6 H 0.311      
7 H 0.311      
8 H 0.311      
9 H 0.153      
10 H 0.153      
11 H 0.153      
12 H 0.153      


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 0.000 0.000
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -23.311 -5.046 0.000
y -5.046 -36.029 0.000
z 0.000 0.000 -23.015
Traceless
 xyz
x 6.211 -5.046 0.000
y -5.046 -12.867 0.000
z 0.000 0.000 6.655
Polar
3z2-r213.310
x2-y212.719
xy-5.046
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.184 -0.685 0.000
y -0.685 5.498 0.000
z 0.000 0.000 5.257


<r2> (average value of r2) Å2
<r2> 106.379
(<r2>)1/2 10.314