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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-189.564160
Energy at 298.15K-189.574246
Nuclear repulsion energy132.281225
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 3416 3381 0.00      
2 Ag 2927 2897 0.00      
3 Ag 1591 1574 0.00      
4 Ag 1402 1387 0.00      
5 Ag 1331 1317 0.00      
6 Ag 1126 1115 0.00      
7 Ag 1055 1044 0.00      
8 Ag 783 775 0.00      
9 Ag 453 449 0.00      
10 Au 3498 3461 1.30      
11 Au 2988 2957 57.42      
12 Au 1338 1324 4.26      
13 Au 1033 1022 0.00      
14 Au 737 729 1.37      
15 Au 256 253 108.61      
16 Au 150 149 0.02      
17 Bg 3499 3462 0.00      
18 Bg 2960 2929 0.00      
19 Bg 1313 1299 0.00      
20 Bg 1252 1239 0.00      
21 Bg 910 901 0.00      
22 Bg 305 302 0.00      
23 Bu 3415 3379 0.65      
24 Bu 2939 2908 87.49      
25 Bu 1590 1573 59.16      
26 Bu 1421 1407 2.61      
27 Bu 1263 1250 13.93      
28 Bu 1116 1104 21.96      
29 Bu 804 796 446.47      
30 Bu 248 246 24.60      

Unscaled Zero Point Vibrational Energy (zpe) 23559.1 cm-1
Scaled (by 0.9896) Zero Point Vibrational Energy (zpe) 23314.1 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
0.88250 0.12700 0.12028

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 0.651 0.000
C2 -0.391 -0.651 0.000
N3 -0.391 1.863 0.000
N4 0.391 -1.863 0.000
H5 1.002 -1.893 0.821
H6 1.002 -1.893 -0.821
H7 -1.002 1.893 0.821
H8 -1.002 1.893 -0.821
H9 -1.063 -0.662 -0.880
H10 -1.063 -0.662 0.880
H11 1.063 0.662 -0.880
H12 1.063 0.662 0.880

Atom - Atom Distances (Å)
  C1 C2 N3 N4 H5 H6 H7 H8 H9 H10 H11 H12
C11.52001.44242.51432.74252.74252.03892.03892.14822.14821.10721.1072
C21.52002.51431.44242.03892.03892.74252.74251.10721.10722.14822.1482
N31.44242.51433.80714.08934.08931.02381.02382.75682.75682.08152.0815
N42.51431.44243.80711.02381.02384.08934.08932.08152.08152.75682.7568
H52.74252.03894.08931.02381.64294.28354.58772.94532.40463.07032.5563
H62.74252.03894.08931.02381.64294.58774.28352.40462.94532.55633.0703
H72.03892.74251.02384.08934.28354.58771.64293.07032.55632.94532.4046
H82.03892.74251.02384.08934.58774.28351.64292.55633.07032.40462.9453
H92.14821.10722.75682.08152.94532.40463.07032.55631.76052.50433.0612
H102.14821.10722.75682.08152.40462.94532.55633.07031.76053.06122.5043
H111.10722.14822.08152.75683.07032.55632.94532.40462.50433.06121.7605
H121.10722.14822.08152.75682.55633.07032.40462.94533.06122.50431.7605

picture of Ethylenediamine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N4 116.127 C1 C2 H9 108.688
C1 C2 H10 108.688 C1 N3 H7 110.384
C1 N3 H8 110.384 C2 C1 N3 116.127
C2 C1 H11 108.688 C2 C1 H12 108.688
C2 N4 H5 110.384 C2 N4 H6 110.384
N3 C1 H11 108.741 N3 C1 H12 108.741
N4 C2 H9 108.741 N4 C2 H10 108.741
H5 N4 H6 106.708 H7 N3 H8 106.708
H9 C2 H10 105.317 H11 C1 H12 105.317
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 -0.247      
2 C -0.247      
3 N -0.455      
4 N -0.455      
5 H 0.207      
6 H 0.207      
7 H 0.207      
8 H 0.207      
9 H 0.144      
10 H 0.144      
11 H 0.144      
12 H 0.144      


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 -24.400 -5.040 0.000
y -5.040 -35.216 0.000
z 0.000 0.000 -23.617
Traceless
 xyz
x 5.017 -5.040 0.000
y -5.040 -11.207 0.000
z 0.000 0.000 6.191
Polar
3z2-r212.381
x2-y210.816
xy-5.040
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.176 -0.544 0.000
y -0.544 6.579 0.000
z 0.000 0.000 5.894


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