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All results from a given calculation for C2H8N2 (Ethylenediamine)

using model chemistry: B97D3/cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2H 1Ag
Energy calculated at B97D3/cc-pVTZ
 hartrees
Energy at 0K-190.478214
Energy at 298.15K-190.488323
HF Energy-190.478214
Nuclear repulsion energy131.157917
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 B97D3/cc-pVTZ
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 3359 0.00      
2 Ag 2948 2907 0.00      
3 Ag 1635 1612 0.00      
4 Ag 1451 1431 0.00      
5 Ag 1361 1342 0.00      
6 Ag 1085 1070 0.00      
7 Ag 1013 998 0.00      
8 Ag 822 810 0.00      
9 Ag 446 440 0.00      
10 Au 3487 3439 0.77      
11 Au 3005 2963 81.96      
12 Au 1372 1352 1.71      
13 Au 1061 1046 0.20      
14 Au 745 735 0.63      
15 Au 257 253 88.74      
16 Au 141 139 0.02      
17 Bg 3488 3439 0.00      
18 Bg 2975 2933 0.00      
19 Bg 1349 1330 0.00      
20 Bg 1278 1260 0.00      
21 Bg 930 917 0.00      
22 Bg 289 285 0.00      
23 Bu 3406 3359 6.81      
24 Bu 2958 2916 104.22      
25 Bu 1634 1611 36.66      
26 Bu 1470 1449 0.35      
27 Bu 1304 1285 20.95      
28 Bu 1049 1034 10.31      
29 Bu 861 849 372.99      
30 Bu 263 259 16.87      

Unscaled Zero Point Vibrational Energy (zpe) 23743.8 cm-1
Scaled (by 0.986) Zero Point Vibrational Energy (zpe) 23411.4 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 B97D3/cc-pVTZ
ABC
0.87592 0.12365 0.11703

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/cc-pVTZ

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.398 0.659 0.000
C2 -0.398 -0.659 0.000
N3 -0.398 1.893 0.000
N4 0.398 -1.893 0.000
H5 1.012 -1.901 0.811
H6 1.012 -1.901 -0.811
H7 -1.012 1.901 0.811
H8 -1.012 1.901 -0.811
H9 -1.057 -0.678 -0.879
H10 -1.057 -0.678 0.879
H11 1.057 0.678 -0.879
H12 1.057 0.678 0.879

Atom - Atom Distances (Å)
  C1 C2 N3 N4 H5 H6 H7 H8 H9 H10 H11 H12
C11.54031.46782.55192.75512.75512.04682.04682.16302.16301.09901.0990
C21.54032.55191.46782.04682.04682.75512.75511.09901.09902.16302.1630
N31.46782.55193.86794.12774.12771.01791.01792.79532.79532.08972.0897
N42.55191.46783.86791.01791.01794.12774.12772.08972.08972.79532.7953
H52.75512.04684.12771.01791.62294.30744.60302.93912.40523.08362.5798
H62.75512.04684.12771.01791.62294.60304.30742.40522.93912.57983.0836
H72.04682.75511.01794.12774.30744.60301.62293.08362.57982.93912.4052
H82.04682.75511.01794.12774.60304.30741.62292.57983.08362.40522.9391
H92.16301.09902.79532.08972.93912.40523.08362.57981.75792.51193.0660
H102.16301.09902.79532.08972.40522.93912.57983.08361.75793.06602.5119
H111.09902.16302.08972.79533.08362.57982.93912.40522.51193.06601.7579
H121.09902.16302.08972.79532.57983.08362.40522.93913.06602.51191.7579

picture of Ethylenediamine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N4 116.155 C1 C2 H9 108.737
C1 C2 H10 108.737 C1 N3 H7 110.400
C1 N3 H8 110.400 C2 C1 N3 116.155
C2 C1 H11 108.737 C2 C1 H12 108.737
C2 N4 H5 110.400 C2 N4 H6 110.400
N3 C1 H11 108.272 N3 C1 H12 108.272
N4 C2 H9 108.272 N4 C2 H10 108.272
H5 N4 H6 106.669 H7 N3 H8 106.669
H9 C2 H10 106.227 H11 C1 H12 106.227
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.077      
2 C -0.077      
3 N -0.293      
4 N -0.293      
5 H 0.119      
6 H 0.119      
7 H 0.119      
8 H 0.119      
9 H 0.066      
10 H 0.066      
11 H 0.066      
12 H 0.066      


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 -24.440 -4.427 0.000
y -4.427 -35.238 0.000
z 0.000 0.000 -23.613
Traceless
 xyz
x 4.986 -4.427 0.000
y -4.427 -11.212 0.000
z 0.000 0.000 6.226
Polar
3z2-r212.453
x2-y210.798
xy-4.427
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.507 -0.534 0.000
y -0.534 7.233 0.000
z 0.000 0.000 6.073


<r2> (average value of r2) Å2
<r2> 107.408
(<r2>)1/2 10.364