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All results from a given calculation for HNCCNH (Ethenediimine)

using model chemistry: HSEh1PBE/6-31G(2df,p)

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/6-31G(2df,p)
 hartrees
Energy at 0K-186.619587
Energy at 298.15K 
HF Energy-186.619587
Nuclear repulsion energy89.770560
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/6-31G(2df,p)
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 3425 3281 0.00 693.52 0.31 0.47
2 Ag 2240 2145 0.00 24.00 0.37 0.54
3 Ag 1168 1119 0.00 23.20 0.69 0.82
4 Ag 951 911 0.00 38.48 0.26 0.42
5 Ag 290 278 0.00 2.17 0.47 0.64
6 Au 973 932 123.32 0.00 0.00 0.00
7 Au 262 251 0.24 0.00 0.00 0.00
8 Bg 677 648 0.00 6.74 0.75 0.86
9 Bu 3426 3281 6.45 0.00 0.00 0.00
10 Bu 1790 1715 157.48 0.00 0.00 0.00
11 Bu 1147 1098 356.91 0.00 0.00 0.00
12 Bu 294 281 6.46 0.00 0.00 0.00

Unscaled Zero Point Vibrational Energy (zpe) 8321.4 cm-1
Scaled (by 0.9577) Zero Point Vibrational Energy (zpe) 7969.4 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 HSEh1PBE/6-31G(2df,p)
ABC
9.77519 0.14241 0.14036

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/6-31G(2df,p)

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.202 -0.612 0.000
C2 -0.202 0.612 0.000
N3 0.202 -1.853 0.000
N4 -0.202 1.853 0.000
H5 1.150 -2.243 0.000
H6 -1.150 2.243 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 N4 H5 H6
C11.28931.24102.49821.88633.1591
C21.28932.49821.24103.15911.8863
N31.24102.49823.72831.02474.3136
N42.49821.24103.72834.31361.0247
H51.88633.15911.02474.31365.0412
H63.15911.88634.31361.02475.0412

picture of Ethenediimine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N4 161.723 C1 N3 H5 112.367
C2 C1 N3 161.723 C2 N4 H6 112.367
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.210      
2 C 0.210      
3 N -0.490      
4 N -0.490      
5 H 0.280      
6 H 0.280      


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 -19.922 -7.102 0.000
y -7.102 -23.011 0.000
z 0.000 0.000 -22.334
Traceless
 xyz
x 2.751 -7.102 0.000
y -7.102 -1.883 0.000
z 0.000 0.000 -0.868
Polar
3z2-r2-1.736
x2-y23.090
xy-7.102
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.673 -1.993 0.000
y -1.993 10.257 0.000
z 0.000 0.000 2.530


<r2> (average value of r2) Å2
<r2> 79.932
(<r2>)1/2 8.940