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All results from a given calculation for C2H8N2 (Ethylenediamine)

using model chemistry: SVWN/aug-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 SVWN/aug-cc-pVDZ
 hartrees
Energy at 0K-189.534289
Energy at 298.15K-189.544265
Nuclear repulsion energy132.009029
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/aug-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 3412 3386 0.00      
2 Ag 2942 2919 0.00      
3 Ag 1569 1557 0.00      
4 Ag 1383 1372 0.00      
5 Ag 1316 1306 0.00      
6 Ag 1128 1119 0.00      
7 Ag 1058 1050 0.00      
8 Ag 752 746 0.00      
9 Ag 454 450 0.00      
10 Au 3499 3472 5.94      
11 Au 3007 2984 47.38      
12 Au 1318 1308 1.75      
13 Au 1018 1011 0.05      
14 Au 724 719 1.44      
15 Au 233 231 91.58      
16 Au 139 138 1.33      
17 Bg 3500 3473 0.00      
18 Bg 2980 2958 0.00      
19 Bg 1296 1286 0.00      
20 Bg 1233 1223 0.00      
21 Bg 898 892 0.00      
22 Bg 273 271 0.00      
23 Bu 3411 3385 3.13      
24 Bu 2952 2930 82.86      
25 Bu 1568 1557 50.97      
26 Bu 1399 1388 2.48      
27 Bu 1241 1232 11.09      
28 Bu 1118 1110 32.43      
29 Bu 773 767 356.54      
30 Bu 257 255 22.66      

Unscaled Zero Point Vibrational Energy (zpe) 23425.4 cm-1
Scaled (by 0.9924) Zero Point Vibrational Energy (zpe) 23247.4 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 SVWN/aug-cc-pVDZ
ABC
0.87742 0.12669 0.12001

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

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.393 0.651 0.000
C2 -0.393 -0.651 0.000
N3 -0.393 1.863 0.000
N4 0.393 -1.863 0.000
H5 1.002 -1.909 0.824
H6 1.002 -1.909 -0.824
H7 -1.002 1.909 0.824
H8 -1.002 1.909 -0.824
H9 -1.065 -0.666 -0.886
H10 -1.065 -0.666 0.886
H11 1.065 0.666 -0.886
H12 1.065 0.666 0.886

Atom - Atom Distances (Å)
  C1 C2 N3 N4 H5 H6 H7 H8 H9 H10 H11 H12
C11.52051.44412.51362.75772.75772.05172.05172.15512.15511.11221.1122
C21.52052.51361.44412.05172.05172.75772.75771.11221.11222.15512.1551
N31.44412.51363.80734.10524.10521.02641.02642.76242.76242.08382.0838
N42.51361.44413.80731.02641.02644.10524.10522.08382.08382.76242.7624
H52.75772.05174.10521.02641.64904.31254.61702.95722.41313.09202.5765
H62.75772.05174.10521.02641.64904.61704.31252.41312.95722.57653.0920
H72.05172.75771.02644.10524.31254.61701.64903.09202.57652.95722.4131
H82.05172.75771.02644.10524.61704.31251.64902.57653.09202.41312.9572
H92.15511.11222.76242.08382.95722.41313.09202.57651.77202.51213.0742
H102.15511.11222.76242.08382.41312.95722.57653.09201.77203.07422.5121
H111.11222.15512.08382.76243.09202.57652.95722.41312.51213.07421.7720
H121.11222.15512.08382.76242.57653.09202.41312.95723.07422.51211.7720

picture of Ethylenediamine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N4 115.935 C1 C2 H9 108.896
C1 C2 H10 108.896 C1 N3 H7 111.162
C1 N3 H8 111.162 C2 C1 N3 115.935
C2 C1 H11 108.896 C2 C1 H12 108.896
C2 N4 H5 111.162 C2 N4 H6 111.162
N3 C1 H11 108.504 N3 C1 H12 108.504
N4 C2 H9 108.504 N4 C2 H10 108.504
H5 N4 H6 106.881 H7 N3 H8 106.881
H9 C2 H10 105.616 H11 C1 H12 105.616
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at SVWN/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.775      
2 C 0.775      
3 N -0.131      
4 N -0.131      
5 H -0.028      
6 H -0.028      
7 H -0.028      
8 H -0.028      
9 H -0.295      
10 H -0.295      
11 H -0.295      
12 H -0.295      


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 -25.259 -4.713 0.000
y -4.713 -36.075 0.000
z 0.000 0.000 -23.972
Traceless
 xyz
x 4.765 -4.713 0.000
y -4.713 -11.459 0.000
z 0.000 0.000 6.695
Polar
3z2-r213.389
x2-y210.816
xy-4.713
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.629 -0.371 0.000
y -0.371 8.518 0.000
z 0.000 0.000 6.709


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