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All results from a given calculation for C2H8N2 (Ethylenediamine)

using model chemistry: SVWN/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 SVWN/6-31G
 hartrees
Energy at 0K-189.438864
Energy at 298.15K-189.448490
Nuclear repulsion energy131.575614
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/6-31G
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 3522 3522 0.00      
2 Ag 2943 2943 0.00      
3 Ag 1639 1639 0.00      
4 Ag 1450 1450 0.00      
5 Ag 1360 1360 0.00      
6 Ag 1160 1160 0.00      
7 Ag 1043 1043 0.00      
8 Ag 508 508 0.00      
9 Ag 427 427 0.00      
10 Au 3644 3644 8.97      
11 Au 3017 3017 74.35      
12 Au 1332 1332 0.07      
13 Au 1023 1023 3.19      
14 Au 741 741 4.25      
15 Au 226 226 103.65      
16 Au 145 145 0.88      
17 Bg 3644 3644 0.00      
18 Bg 2987 2987 0.00      
19 Bg 1324 1324 0.00      
20 Bg 1258 1258 0.00      
21 Bg 901 901 0.00      
22 Bg 260 260 0.00      
23 Bu 3521 3521 3.55      
24 Bu 2956 2956 110.82      
25 Bu 1641 1641 80.16      
26 Bu 1468 1468 3.84      
27 Bu 1301 1301 5.66      
28 Bu 1157 1157 51.03      
29 Bu 477 477 746.74      
30 Bu 250 250 62.64      

Unscaled Zero Point Vibrational Energy (zpe) 23661.0 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 23661.0 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 SVWN/6-31G
ABC
0.89293 0.12448 0.11859

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

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.395 0.657 0.000
C2 -0.395 -0.657 0.000
N3 -0.395 1.857 0.000
N4 0.395 -1.857 0.000
H5 0.901 -2.081 0.854
H6 0.901 -2.081 -0.854
H7 -0.901 2.081 0.854
H8 -0.901 2.081 -0.854
H9 -1.069 -0.660 -0.882
H10 -1.069 -0.660 0.882
H11 1.069 0.660 -0.882
H12 1.069 0.660 0.882

Atom - Atom Distances (Å)
  C1 C2 N3 N4 H5 H6 H7 H8 H9 H10 H11 H12
C11.53281.43742.51382.91152.91152.10652.10652.15752.15751.10991.1099
C21.53282.51381.43742.10652.10652.91152.91151.10991.10992.15752.1575
N31.43742.51383.79764.23274.23271.01731.01732.75092.75092.08702.0870
N42.51381.43743.79761.01731.01734.23274.23272.08702.08702.75092.7509
H52.91152.10654.23271.01731.70764.53474.84552.98552.42923.24822.7457
H62.91152.10654.23271.01731.70764.84554.53472.42922.98552.74573.2482
H72.10652.91151.01734.23274.53474.84551.70763.24822.74572.98552.4292
H82.10652.91151.01734.23274.84554.53471.70762.74573.24822.42922.9855
H92.15751.10992.75092.08702.98552.42923.24822.74571.76412.51243.0699
H102.15751.10992.75092.08702.42922.98552.74573.24821.76413.06992.5124
H111.10992.15752.08702.75093.24822.74572.98552.42922.51243.06991.7641
H121.10992.15752.08702.75092.74573.24822.42922.98553.06992.51241.7641

picture of Ethylenediamine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N4 115.597 C1 C2 H9 108.392
C1 C2 H10 108.392 C1 N3 H7 117.187
C1 N3 H8 117.187 C2 C1 N3 115.597
C2 C1 H11 108.392 C2 C1 H12 108.392
C2 N4 H5 117.187 C2 N4 H6 117.187
N3 C1 H11 109.352 N3 C1 H12 109.352
N4 C2 H9 109.352 N4 C2 H10 109.352
H5 N4 H6 114.128 H7 N3 H8 114.128
H9 C2 H10 105.251 H11 C1 H12 105.251
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at SVWN/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.200      
2 C -0.200      
3 N -0.707      
4 N -0.707      
5 H 0.301      
6 H 0.301      
7 H 0.301      
8 H 0.301      
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 -24.768 -6.175 0.000
y -6.175 -31.306 0.000
z 0.000 0.000 -22.668
Traceless
 xyz
x 2.219 -6.175 0.000
y -6.175 -7.587 0.000
z 0.000 0.000 5.368
Polar
3z2-r210.737
x2-y26.538
xy-6.175
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.950 -0.865 0.000
y -0.865 5.667 0.000
z 0.000 0.000 5.319


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