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All results from a given calculation for HNCCNH (Ethenediimine)

using model chemistry: HSEh1PBE/aug-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/aug-cc-pVTZ
 hartrees
Energy at 0K-186.676740
Energy at 298.15K 
HF Energy-186.676740
Nuclear repulsion energy89.946220
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/aug-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 3423 3293 0.00 724.37 0.30 0.46
2 Ag 2203 2119 0.00 26.47 0.41 0.58
3 Ag 1170 1125 0.00 28.77 0.49 0.66
4 Ag 947 910 0.00 51.39 0.16 0.27
5 Ag 309 297 0.00 2.78 0.56 0.72
6 Au 967 930 120.06 0.00 0.00 0.00
7 Au 256 246 0.01 0.00 0.00 0.00
8 Bg 675 649 0.00 3.33 0.75 0.86
9 Bu 3424 3293 14.47 0.00 0.00 0.00
10 Bu 1777 1710 192.74 0.00 0.00 0.00
11 Bu 1142 1098 360.51 0.00 0.00 0.00
12 Bu 286 275 6.65 0.00 0.00 0.00

Unscaled Zero Point Vibrational Energy (zpe) 8288.9 cm-1
Scaled (by 0.9618) Zero Point Vibrational Energy (zpe) 7972.3 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/aug-cc-pVTZ
ABC
9.73921 0.14310 0.14103

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

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.215 -0.608 0.000
C2 -0.215 0.608 0.000
N3 0.215 -1.846 0.000
N4 -0.215 1.846 0.000
H5 1.156 -2.245 0.000
H6 -1.156 2.245 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 N4 H5 H6
C11.29011.23762.49121.88783.1652
C21.29012.49121.23763.16521.8878
N31.23762.49123.71631.02214.3140
N42.49121.23763.71634.31401.0221
H51.88783.16521.02214.31405.0498
H63.16521.88784.31401.02215.0498

picture of Ethenediimine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N4 160.506 C1 N3 H5 112.974
C2 C1 N3 160.506 C2 N4 H6 112.974
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.210      
2 C 0.210      
3 N -0.363      
4 N -0.363      
5 H 0.153      
6 H 0.153      


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 -20.558 -7.289 0.000
y -7.289 -23.701 0.000
z 0.000 0.000 -23.026
Traceless
 xyz
x 2.805 -7.289 0.000
y -7.289 -1.908 0.000
z 0.000 0.000 -0.897
Polar
3z2-r2-1.794
x2-y23.142
xy-7.289
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.809 -1.840 0.000
y -1.840 11.510 0.000
z 0.000 0.000 3.741


<r2> (average value of r2) Å2
<r2> 80.088
(<r2>)1/2 8.949