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All results from a given calculation for C2H8N2 (Ethylenediamine)

using model chemistry: SVWN/3-21G*

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/3-21G*
 hartrees
Energy at 0K-188.454499
Energy at 298.15K-188.464388
Nuclear repulsion energy131.269076
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/3-21G*
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 3361 3361 0.00      
2 Ag 2942 2942 0.00      
3 Ag 1656 1656 0.00      
4 Ag 1458 1458 0.00      
5 Ag 1342 1342 0.00      
6 Ag 1121 1121 0.00      
7 Ag 1014 1014 0.00      
8 Ag 601 601 0.00      
9 Ag 455 455 0.00      
10 Au 3465 3465 0.04      
11 Au 3014 3014 53.45      
12 Au 1352 1352 4.50      
13 Au 1058 1058 0.05      
14 Au 739 739 3.40      
15 Au 262 262 142.66      
16 Au 156 156 0.00      
17 Bg 3465 3465 0.00      
18 Bg 2982 2982 0.00      
19 Bg 1339 1339 0.00      
20 Bg 1278 1278 0.00      
21 Bg 917 917 0.00      
22 Bg 298 298 0.00      
23 Bu 3360 3360 1.13      
24 Bu 2955 2955 79.85      
25 Bu 1657 1657 52.43      
26 Bu 1478 1478 3.96      
27 Bu 1289 1289 3.16      
28 Bu 1114 1114 16.18      
29 Bu 600 600 616.96      
30 Bu 235 235 32.52      

Unscaled Zero Point Vibrational Energy (zpe) 23480.6 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 23480.6 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 SVWN/3-21G*
ABC
0.86887 0.12507 0.11868

See section I.F.4 to change rotational constant units
Geometric Data calculated at SVWN/3-21G*

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.400 0.655 0.000
C2 -0.400 -0.655 0.000
N3 -0.400 1.867 0.000
N4 0.400 -1.867 0.000
H5 0.978 -1.965 0.847
H6 0.978 -1.965 -0.847
H7 -0.978 1.965 0.847
H8 -0.978 1.965 -0.847
H9 -1.065 -0.660 -0.888
H10 -1.065 -0.660 0.888
H11 1.065 0.660 -0.888
H12 1.065 0.660 0.888

Atom - Atom Distances (Å)
  C1 C2 N3 N4 H5 H6 H7 H8 H9 H10 H11 H12
C11.53541.45222.52282.81422.81422.08152.08152.15952.15951.10931.1093
C21.53542.52281.45222.08152.08152.81422.81421.10931.10932.15952.1595
N31.45222.52283.81964.16024.16021.03011.03012.76012.76012.09562.0956
N42.52281.45223.81961.03011.03014.16024.16022.09562.09562.76012.7601
H52.81422.08154.16021.03011.69364.39074.70612.98112.42473.14792.6271
H62.81422.08154.16021.03011.69364.70614.39072.42472.98112.62713.1479
H72.08152.81421.03014.16024.39074.70611.69363.14792.62712.98112.4247
H82.08152.81421.03014.16024.70614.39071.69362.62713.14792.42472.9811
H92.15951.10932.76012.09562.98112.42473.14792.62711.77602.50523.0709
H102.15951.10932.76012.09562.42472.98112.62713.14791.77603.07092.5052
H111.10932.15952.09562.76013.14792.62712.98112.42472.50523.07091.7760
H121.10932.15952.09562.76012.62713.14792.42472.98113.07092.50521.7760

picture of Ethylenediamine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N4 115.193 C1 C2 H9 108.403
C1 C2 H10 108.403 C1 N3 H7 112.864
C1 N3 H8 112.864 C2 C1 N3 115.193
C2 C1 H11 108.403 C2 C1 H12 108.403
C2 N4 H5 112.864 C2 N4 H6 112.864
N3 C1 H11 109.062 N3 C1 H12 109.062
N4 C2 H9 109.062 N4 C2 H10 109.062
H5 N4 H6 110.581 H7 N3 H8 110.581
H9 C2 H10 106.357 H11 C1 H12 106.357
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at SVWN/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.312      
2 C -0.312      
3 N -0.652      
4 N -0.652      
5 H 0.275      
6 H 0.275      
7 H 0.275      
8 H 0.275      
9 H 0.207      
10 H 0.207      
11 H 0.207      
12 H 0.207      


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 -23.444 -5.862 0.000
y -5.862 -34.049 0.000
z 0.000 0.000 -22.841
Traceless
 xyz
x 5.001 -5.862 0.000
y -5.862 -10.907 0.000
z 0.000 0.000 5.906
Polar
3z2-r211.811
x2-y210.605
xy-5.862
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.788 -0.904 0.000
y -0.904 5.151 0.000
z 0.000 0.000 5.097


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