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All results from a given calculation for HNCCNH (Ethenediimine)

using model chemistry: PBEPBEultrafine/TZVP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2H 1AG
Energy calculated at PBEPBEultrafine/TZVP
 hartrees
Energy at 0K-186.662344
Energy at 298.15K 
HF Energy-186.662344
Nuclear repulsion energy89.110816
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 PBEPBEultrafine/TZVP
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 3281 3243 0.00 883.72 0.32 0.48
2 Ag 2061 2037 0.00 24.94 0.40 0.57
3 Ag 1136 1123 0.00 33.17 0.74 0.85
4 Ag 919 908 0.00 42.02 0.20 0.34
5 Ag 346 342 0.00 8.01 0.24 0.39
6 Au 935 924 124.31 0.00 0.00 0.00
7 Au 248 246 0.20 0.00 0.00 0.00
8 Bg 692 684 0.00 8.72 0.75 0.86
9 Bu 3280 3243 1.03 0.00 0.32 0.48
10 Bu 1715 1695 138.68 0.00 0.00 0.00
11 Bu 1089 1076 374.80 0.00 0.00 0.00
12 Bu 279 276 8.92 0.00 0.00 0.00

Unscaled Zero Point Vibrational Energy (zpe) 7990.2 cm-1
Scaled (by 0.9886) Zero Point Vibrational Energy (zpe) 7899.1 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 PBEPBEultrafine/TZVP
ABC
8.40494 0.14203 0.13967

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBEultrafine/TZVP

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.284 -0.590 0.000
C2 -0.284 0.590 0.000
N3 0.284 -1.841 0.000
N4 -0.284 1.841 0.000
H5 1.239 -2.239 0.000
H6 -1.239 2.239 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 N4 H5 H6
C11.30971.25122.49691.90523.2126
C21.30972.49691.25123.21261.9052
N31.25122.49693.72621.03424.3550
N42.49691.25123.72624.35501.0342
H51.90523.21261.03424.35505.1172
H63.21261.90524.35501.03425.1172

picture of Ethenediimine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N4 154.308 C1 N3 H5 112.600
C2 C1 N3 154.308 C2 N4 H6 112.600
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBEultrafine/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.046      
2 C -0.046      
3 N -0.171      
4 N -0.171      
5 H 0.217      
6 H 0.217      


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 -20.284 -7.386 0.000
y -7.386 -23.507 0.000
z 0.000 0.000 -22.979
Traceless
 xyz
x 2.959 -7.386 0.000
y -7.386 -1.875 0.000
z 0.000 0.000 -1.083
Polar
3z2-r2-2.167
x2-y23.223
xy-7.386
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.517 -2.368 0.000
y -2.368 11.122 0.000
z 0.000 0.000 2.846


<r2> (average value of r2) Å2
<r2> 80.736
(<r2>)1/2 8.985