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All results from a given calculation for C2H8N2 (Ethylenediamine)

using model chemistry: SVWN/6-311G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2H 1Ag
Energy calculated at SVWN/6-311G*
 hartrees
Energy at 0K-189.546898
Energy at 298.15K-189.556996
Nuclear repulsion energy132.248905
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 SVWN/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 Ag 3407 3375 0.00      
2 Ag 2929 2901 0.00      
3 Ag 1646 1631 0.00      
4 Ag 1413 1400 0.00      
5 Ag 1340 1327 0.00      
6 Ag 1131 1120 0.00      
7 Ag 1060 1050 0.00      
8 Ag 799 792 0.00      
9 Ag 454 450 0.00      
10 Au 3490 3456 0.00      
11 Au 2990 2961 65.34      
12 Au 1358 1345 4.95      
13 Au 1046 1036 0.02      
14 Au 734 727 1.34      
15 Au 258 255 122.19      
16 Au 151 150 0.01      
17 Bg 3491 3457 0.00      
18 Bg 2961 2933 0.00      
19 Bg 1330 1318 0.00      
20 Bg 1265 1253 0.00      
21 Bg 918 909 0.00      
22 Bg 304 301 0.00      
23 Bu 3406 3373 3.33      
24 Bu 2940 2912 95.55      
25 Bu 1645 1629 73.34      
26 Bu 1435 1421 4.12      
27 Bu 1273 1260 14.26      
28 Bu 1120 1109 18.74      
29 Bu 822 814 496.93      
30 Bu 249 247 26.65      

Unscaled Zero Point Vibrational Energy (zpe) 23682.7 cm-1
Scaled (by 0.9904) Zero Point Vibrational Energy (zpe) 23455.3 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 SVWN/6-311G*
ABC
0.88347 0.12684 0.12016

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

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.391 0.652 0.000
C2 -0.391 -0.652 0.000
N3 -0.391 1.864 0.000
N4 0.391 -1.864 0.000
H5 1.000 -1.897 0.822
H6 1.000 -1.897 -0.822
H7 -1.000 1.897 0.822
H8 -1.000 1.897 -0.822
H9 -1.063 -0.666 -0.880
H10 -1.063 -0.666 0.880
H11 1.063 0.666 -0.880
H12 1.063 0.666 0.880

Atom - Atom Distances (Å)
  C1 C2 N3 N4 H5 H6 H7 H8 H9 H10 H11 H12
C11.51961.44212.51552.74612.74612.03952.03952.15042.15041.10761.1076
C21.51962.51551.44212.03952.03952.74612.74611.10761.10762.15042.1504
N31.44212.51553.80864.09274.09271.02401.02402.76152.76152.07922.0792
N42.51551.44213.80861.02401.02404.09274.09272.07922.07922.76152.7615
H52.74612.03954.09271.02401.64474.28804.59262.94432.40313.07692.5638
H62.74612.03954.09271.02401.64474.59264.28802.40312.94432.56383.0769
H72.03952.74611.02404.09274.28804.59261.64473.07692.56382.94432.4031
H82.03952.74611.02404.09274.59264.28801.64472.56383.07692.40312.9443
H92.15041.10762.76152.07922.94432.40313.07692.56381.75972.50923.0648
H102.15041.10762.76152.07922.40312.94432.56383.07691.75973.06482.5092
H111.10762.15042.07922.76153.07692.56382.94432.40312.50923.06481.7597
H121.10762.15042.07922.76152.56383.07692.40312.94433.06482.50921.7597

picture of Ethylenediamine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N4 116.256 C1 C2 H9 108.859
C1 C2 H10 108.859 C1 N3 H7 110.441
C1 N3 H8 110.441 C2 C1 N3 116.256
C2 C1 H11 108.859 C2 C1 H12 108.859
C2 N4 H5 110.441 C2 N4 H6 110.441
N3 C1 H11 108.557 N3 C1 H12 108.557
N4 C2 H9 108.557 N4 C2 H10 108.557
H5 N4 H6 106.846 H7 N3 H8 106.846
H9 C2 H10 105.188 H11 C1 H12 105.188
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at SVWN/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.384      
2 C -0.384      
3 N -0.719      
4 N -0.719      
5 H 0.325      
6 H 0.325      
7 H 0.325      
8 H 0.325      
9 H 0.227      
10 H 0.227      
11 H 0.227      
12 H 0.227      


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 -24.430 -5.374 0.000
y -5.374 -35.908 0.000
z 0.000 0.000 -23.497
Traceless
 xyz
x 5.273 -5.374 0.000
y -5.374 -11.945 0.000
z 0.000 0.000 6.672
Polar
3z2-r213.345
x2-y211.478
xy-5.374
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.068 -0.544 0.000
y -0.544 6.429 0.000
z 0.000 0.000 5.808


<r2> (average value of r2) Å2
<r2> 0.000
(<r2>)1/2 0.000