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All results from a given calculation for C2H8N2 (Ethylenediamine)

using model chemistry: wB97X-D/cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2H 1Ag
Energy calculated at wB97X-D/cc-pVDZ
 hartrees
Energy at 0K-190.481975
Energy at 298.15K-190.492185
HF Energy-190.481975
Nuclear repulsion energy131.601278
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 wB97X-D/cc-pVDZ
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 3555 3386 0.00      
2 Ag 3046 2901 0.00      
3 Ag 1677 1598 0.00      
4 Ag 1488 1418 0.00      
5 Ag 1424 1356 0.00      
6 Ag 1137 1083 0.00      
7 Ag 1063 1013 0.00      
8 Ag 811 773 0.00      
9 Ag 469 447 0.00      
10 Au 3650 3477 4.10      
11 Au 3109 2962 74.58      
12 Au 1403 1337 0.82      
13 Au 1083 1032 0.29      
14 Au 757 721 0.18      
15 Au 263 250 122.57      
16 Au 149 142 0.84      
17 Bg 3650 3477 0.00      
18 Bg 3083 2937 0.00      
19 Bg 1381 1315 0.00      
20 Bg 1306 1244 0.00      
21 Bg 951 906 0.00      
22 Bg 289 275 0.00      
23 Bu 3555 3386 0.66      
24 Bu 3052 2907 94.54      
25 Bu 1677 1597 72.30      
26 Bu 1502 1431 2.25      
27 Bu 1347 1283 17.67      
28 Bu 1116 1063 31.73      
29 Bu 840 801 436.24      
30 Bu 284 271 22.80      

Unscaled Zero Point Vibrational Energy (zpe) 24558.6 cm-1
Scaled (by 0.9526) Zero Point Vibrational Energy (zpe) 23394.5 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 wB97X-D/cc-pVDZ
ABC
0.87854 0.12478 0.11816

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/cc-pVDZ

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.399 0.658 0.000
C2 -0.399 -0.658 0.000
N3 -0.399 1.881 0.000
N4 0.399 -1.881 0.000
H5 0.996 -1.933 0.820
H6 0.996 -1.933 -0.820
H7 -0.996 1.933 0.820
H8 -0.996 1.933 -0.820
H9 -1.057 -0.679 -0.878
H10 -1.057 -0.679 0.878
H11 1.057 0.679 -0.878
H12 1.057 0.679 0.878

Atom - Atom Distances (Å)
  C1 C2 N3 N4 H5 H6 H7 H8 H9 H10 H11 H12
C11.53941.46022.53932.78292.78292.06012.06012.16292.16291.09731.0973
C21.53942.53931.46022.06012.06012.78292.78291.09731.09732.16292.1629
N31.46022.53933.84594.14354.14351.01531.01532.78512.78512.08232.0823
N42.53931.46023.84591.01531.01534.14354.14352.08232.08232.78512.7851
H52.78292.06014.14351.01531.63904.34984.64842.94462.40673.11592.6136
H62.78292.06014.14351.01531.63904.64844.34982.40672.94462.61363.1159
H72.06012.78291.01534.14354.34984.64841.63903.11592.61362.94462.4067
H82.06012.78291.01534.14354.64844.34981.63902.61363.11592.40672.9446
H92.16291.09732.78512.08232.94462.40673.11592.61361.75592.51233.0651
H102.16291.09732.78512.08232.40672.94462.61363.11591.75593.06512.5123
H111.09732.16292.08232.78513.11592.61362.94462.40672.51233.06511.7559
H121.09732.16292.08232.78512.61363.11592.40672.94463.06512.51231.7559

picture of Ethylenediamine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N4 115.649 C1 C2 H9 109.078
C1 C2 H10 109.078 C1 N3 H7 111.380
C1 N3 H8 111.380 C2 C1 N3 115.649
C2 C1 H11 109.078 C2 C1 H12 109.078
C2 N4 H5 111.380 C2 N4 H6 111.380
N3 C1 H11 108.178 N3 C1 H12 108.178
N4 C2 H9 108.178 N4 C2 H10 108.178
H5 N4 H6 107.640 H7 N3 H8 107.640
H9 C2 H10 106.276 H11 C1 H12 106.276
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.239      
2 C -0.239      
3 N -0.647      
4 N -0.647      
5 H 0.296      
6 H 0.296      
7 H 0.296      
8 H 0.296      
9 H 0.147      
10 H 0.147      
11 H 0.147      
12 H 0.147      


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 -24.390 -5.239 0.000
y -5.239 -37.047 0.000
z 0.000 0.000 -23.281
Traceless
 xyz
x 5.774 -5.239 0.000
y -5.239 -13.211 0.000
z 0.000 0.000 7.437
Polar
3z2-r214.874
x2-y212.656
xy-5.239
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.282 -0.287 0.000
y -0.287 7.052 0.000
z 0.000 0.000 5.718


<r2> (average value of r2) Å2
<r2> 107.185
(<r2>)1/2 10.353