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All results from a given calculation for HNCCNH (Ethenediimine)

using model chemistry: B97D3/6-311G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2H 1AG
Energy calculated at B97D3/6-311G**
 hartrees
Energy at 0K-186.746017
Energy at 298.15K 
HF Energy-186.746017
Nuclear repulsion energy89.131988
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 B97D3/6-311G**
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 3300 3253 0.00 836.88 0.32 0.48
2 Ag 2048 2019 0.00 25.34 0.35 0.52
3 Ag 1165 1149 0.00 27.65 0.74 0.85
4 Ag 912 899 0.00 33.20 0.24 0.38
5 Ag 323 319 0.00 4.74 0.36 0.53
6 Au 938 924 121.20 0.00 0.00 0.00
7 Au 246 243 0.10 0.00 0.00 0.00
8 Bg 693 683 0.00 9.19 0.75 0.86
9 Bu 3300 3253 2.53 0.00 0.32 0.48
10 Bu 1712 1687 126.91 0.00 0.00 0.00
11 Bu 1120 1104 395.38 0.00 0.00 0.00
12 Bu 279 275 6.78 0.00 0.00 0.00

Unscaled Zero Point Vibrational Energy (zpe) 8017.5 cm-1
Scaled (by 0.9857) Zero Point Vibrational Energy (zpe) 7902.9 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 B97D3/6-311G**
ABC
8.23025 0.14223 0.13982

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/6-311G**

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.293 -0.587 0.000
C2 -0.293 0.587 0.000
N3 0.293 -1.839 0.000
N4 -0.293 1.839 0.000
H5 1.247 -2.226 0.000
H6 -1.247 2.226 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 N4 H5 H6
C11.31301.25132.49611.89653.2078
C21.31302.49611.25133.20781.8965
N31.25132.49613.72401.03014.3472
N42.49611.25133.72404.34721.0301
H51.89653.20781.03014.34725.1039
H63.20781.89654.34721.03015.1039

picture of Ethenediimine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N4 153.494 C1 N3 H5 112.096
C2 C1 N3 153.494 C2 N4 H6 112.096
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.121      
2 C 0.121      
3 N -0.330      
4 N -0.330      
5 H 0.209      
6 H 0.209      


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 -19.828 -7.101 0.000
y -7.101 -23.053 0.000
z 0.000 0.000 -22.595
Traceless
 xyz
x 2.997 -7.101 0.000
y -7.101 -1.842 0.000
z 0.000 0.000 -1.155
Polar
3z2-r2-2.309
x2-y23.226
xy-7.101
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.131 -2.415 0.000
y -2.415 10.357 0.000
z 0.000 0.000 2.433


<r2> (average value of r2) Å2
<r2> 80.367
(<r2>)1/2 8.965