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All results from a given calculation for C2H8N2 (Ethylenediamine)

using model chemistry: wB97X-D/TZVP

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/TZVP
 hartrees
Energy at 0K-190.531093
Energy at 298.15K-190.541320
HF Energy-190.531093
Nuclear repulsion energy131.898814
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/TZVP
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 3538 3379 0.00      
2 Ag 3040 2903 0.00      
3 Ag 1674 1599 0.00      
4 Ag 1486 1419 0.00      
5 Ag 1425 1361 0.00      
6 Ag 1133 1082 0.00      
7 Ag 1064 1016 0.00      
8 Ag 820 783 0.00      
9 Ag 468 447 0.00      
10 Au 3623 3460 0.94      
11 Au 3099 2960 72.21      
12 Au 1407 1343 1.13      
13 Au 1092 1042 0.20      
14 Au 764 730 0.17      
15 Au 263 252 112.15      
16 Au 149 143 0.71      
17 Bg 3624 3461 0.00      
18 Bg 3072 2934 0.00      
19 Bg 1385 1322 0.00      
20 Bg 1310 1251 0.00      
21 Bg 956 913 0.00      
22 Bg 293 280 0.00      
23 Bu 3538 3379 0.47      
24 Bu 3047 2910 90.87      
25 Bu 1674 1598 61.66      
26 Bu 1501 1433 2.78      
27 Bu 1352 1291 17.63      
28 Bu 1109 1059 23.15      
29 Bu 850 812 422.81      
30 Bu 283 270 22.02      

Unscaled Zero Point Vibrational Energy (zpe) 24519.0 cm-1
Scaled (by 0.955) Zero Point Vibrational Energy (zpe) 23415.6 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/TZVP
ABC
0.88205 0.12536 0.11868

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

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.398 0.656 0.000
C2 -0.398 -0.656 0.000
N3 -0.398 1.877 0.000
N4 0.398 -1.877 0.000
H5 0.996 -1.922 0.816
H6 0.996 -1.922 -0.816
H7 -0.996 1.922 0.816
H8 -0.996 1.922 -0.816
H9 -1.055 -0.674 -0.875
H10 -1.055 -0.674 0.875
H11 1.055 0.674 -0.875
H12 1.055 0.674 0.875

Atom - Atom Distances (Å)
  C1 C2 N3 N4 H5 H6 H7 H8 H9 H10 H11 H12
C11.53511.45792.53302.76892.76892.05202.05202.15562.15561.09441.0944
C21.53512.53301.45792.05202.05202.76892.76891.09441.09442.15562.1556
N31.45792.53303.83764.12784.12781.01221.01222.77552.77552.08002.0800
N42.53301.45793.83761.01221.01224.12784.12782.08002.08002.77552.7755
H52.76892.05204.12781.01221.63204.32854.62592.93652.40133.09832.5967
H62.76892.05204.12781.01221.63204.62594.32852.40132.93652.59673.0983
H72.05202.76891.01224.12784.32854.62591.63203.09832.59672.93652.4013
H82.05202.76891.01224.12784.62594.32851.63202.59673.09832.40132.9365
H92.15561.09442.77552.08002.93652.40133.09832.59671.75072.50353.0549
H102.15561.09442.77552.08002.40132.93652.59673.09831.75073.05492.5035
H111.09442.15562.08002.77553.09832.59672.93652.40132.50353.05491.7507
H121.09442.15562.08002.77552.59673.09832.40132.93653.05492.50351.7507

picture of Ethylenediamine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N4 115.604 C1 C2 H9 108.978
C1 C2 H10 108.978 C1 N3 H7 111.062
C1 N3 H8 111.062 C2 C1 N3 115.604
C2 C1 H11 108.978 C2 C1 H12 108.978
C2 N4 H5 111.062 C2 N4 H6 111.062
N3 C1 H11 108.323 N3 C1 H12 108.323
N4 C2 H9 108.323 N4 C2 H10 108.323
H5 N4 H6 107.443 H7 N3 H8 107.443
H9 C2 H10 106.234 H11 C1 H12 106.234
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.203      
2 C -0.203      
3 N -0.414      
4 N -0.414      
5 H 0.198      
6 H 0.198      
7 H 0.198      
8 H 0.198      
9 H 0.111      
10 H 0.111      
11 H 0.111      
12 H 0.111      


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 -24.204 -5.081 0.000
y -5.081 -36.133 0.000
z 0.000 0.000 -23.202
Traceless
 xyz
x 5.464 -5.081 0.000
y -5.081 -12.431 0.000
z 0.000 0.000 6.966
Polar
3z2-r213.933
x2-y211.930
xy-5.081
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.027 -0.440 0.000
y -0.440 6.615 0.000
z 0.000 0.000 5.790


<r2> (average value of r2) Å2
<r2> 106.487
(<r2>)1/2 10.319