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All results from a given calculation for C2H8N2 (Ethylenediamine)

using model chemistry: HSEh1PBE/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 HSEh1PBE/cc-pVTZ
 hartrees
Energy at 0K-190.379966
Energy at 298.15K-190.390125
HF Energy-190.379966
Nuclear repulsion energy132.130493
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 HSEh1PBE/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 3520 3383 0.00      
2 Ag 3020 2902 0.00      
3 Ag 1662 1597 0.00      
4 Ag 1476 1419 0.00      
5 Ag 1395 1341 0.00      
6 Ag 1130 1086 0.00      
7 Ag 1072 1030 0.00      
8 Ag 829 797 0.00      
9 Ag 460 442 0.00      
10 Au 3600 3460 0.72      
11 Au 3077 2957 67.10      
12 Au 1394 1340 1.35      
13 Au 1073 1031 0.15      
14 Au 756 727 0.94      
15 Au 247 238 93.87      
16 Au 148 142 0.01      
17 Bg 3601 3461 0.00      
18 Bg 3047 2929 0.00      
19 Bg 1372 1319 0.00      
20 Bg 1300 1250 0.00      
21 Bg 942 905 0.00      
22 Bg 281 270 0.00      
23 Bu 3519 3382 1.62      
24 Bu 3029 2911 90.02      
25 Bu 1661 1596 45.88      
26 Bu 1495 1437 1.28      
27 Bu 1326 1274 17.84      
28 Bu 1105 1062 20.40      
29 Bu 861 828 388.66      
30 Bu 267 256 18.61      

Unscaled Zero Point Vibrational Energy (zpe) 24332.5 cm-1
Scaled (by 0.9611) Zero Point Vibrational Energy (zpe) 23386.0 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 HSEh1PBE/cc-pVTZ
ABC
0.88667 0.12580 0.11909

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/cc-pVTZ

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.395 0.654 0.000
C2 -0.395 -0.654 0.000
N3 -0.395 1.873 0.000
N4 0.395 -1.873 0.000
H5 1.000 -1.901 0.811
H6 1.000 -1.901 -0.811
H7 -1.000 1.901 0.811
H8 -1.000 1.901 -0.811
H9 -1.055 -0.672 -0.874
H10 -1.055 -0.672 0.874
H11 1.055 0.672 -0.874
H12 1.055 0.672 0.874

Atom - Atom Distances (Å)
  C1 C2 N3 N4 H5 H6 H7 H8 H9 H10 H11 H12
C11.52761.45292.52712.74772.74772.03932.03932.15002.15001.09551.0955
C21.52762.52711.45292.03932.03932.74772.74771.09551.09552.15002.1500
N31.45292.52713.82904.10464.10461.01231.01232.77062.77062.07612.0761
N42.52711.45293.82901.01231.01234.10464.10462.07612.07612.77062.7706
H52.74772.03934.10461.01231.62174.29594.59182.92812.39543.07572.5738
H62.74772.03934.10461.01231.62174.59184.29592.39542.92812.57383.0757
H72.03932.74771.01234.10464.29594.59181.62173.07572.57382.92812.3954
H82.03932.74771.01234.10464.59184.29591.62172.57383.07572.39542.9281
H92.15001.09552.77062.07612.92812.39543.07572.57381.74862.50083.0515
H102.15001.09552.77062.07612.39542.92812.57383.07571.74863.05152.5008
H111.09552.15002.07612.77063.07572.57382.92812.39542.50083.05151.7486
H121.09552.15002.07612.77062.57383.07572.39542.92813.05152.50081.7486

picture of Ethylenediamine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N4 115.941 C1 C2 H9 108.984
C1 C2 H10 108.984 C1 N3 H7 110.356
C1 N3 H8 110.356 C2 C1 N3 115.941
C2 C1 H11 108.984 C2 C1 H12 108.984
C2 N4 H5 110.356 C2 N4 H6 110.356
N3 C1 H11 108.286 N3 C1 H12 108.286
N4 C2 H9 108.286 N4 C2 H10 108.286
H5 N4 H6 106.457 H7 N3 H8 106.457
H9 C2 H10 105.897 H11 C1 H12 105.897
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.102      
2 C -0.102      
3 N -0.308      
4 N -0.308      
5 H 0.125      
6 H 0.125      
7 H 0.125      
8 H 0.125      
9 H 0.080      
10 H 0.080      
11 H 0.080      
12 H 0.080      


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 -24.302 -4.582 0.000
y -4.582 -35.028 0.000
z 0.000 0.000 -23.394
Traceless
 xyz
x 4.909 -4.582 0.000
y -4.582 -11.180 0.000
z 0.000 0.000 6.271
Polar
3z2-r212.543
x2-y210.726
xy-4.582
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.251 -0.508 0.000
y -0.508 6.854 0.000
z 0.000 0.000 5.871


<r2> (average value of r2) Å2
<r2> 105.933
(<r2>)1/2 10.292