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All results from a given calculation for HNCCNH (Ethenediimine)

using model chemistry: B97D3/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 B97D3/cc-pVTZ
 hartrees
Energy at 0K-186.765536
Energy at 298.15K 
HF Energy-186.765536
Nuclear repulsion energy89.292555
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/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 3302 3255 0.00 868.61 0.31 0.47
2 Ag 2048 2019 0.00 24.57 0.38 0.56
3 Ag 1163 1147 0.00 26.04 0.67 0.80
4 Ag 913 901 0.00 36.46 0.21 0.34
5 Ag 330 325 0.00 2.55 0.53 0.70
6 Au 937 924 112.11 0.00 0.00 0.00
7 Au 247 244 0.04 0.00 0.00 0.00
8 Bg 687 677 0.00 6.58 0.75 0.86
9 Bu 3302 3255 1.49 0.00 0.00 0.00
10 Bu 1710 1686 131.51 0.00 0.00 0.00
11 Bu 1118 1102 398.74 0.00 0.00 0.00
12 Bu 281 277 6.15 0.00 0.00 0.00

Unscaled Zero Point Vibrational Energy (zpe) 8018.4 cm-1
Scaled (by 0.986) Zero Point Vibrational Energy (zpe) 7906.1 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 B97D3/cc-pVTZ
ABC
8.42812 0.14254 0.14017

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/cc-pVTZ

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.286 -0.589 0.000
C2 -0.286 0.589 0.000
N3 0.286 -1.838 0.000
N4 -0.286 1.838 0.000
H5 1.236 -2.231 0.000
H6 -1.236 2.231 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 N4 H5 H6
C11.30931.24872.49311.89693.2041
C21.30932.49311.24873.20411.8969
N31.24872.49313.71961.02814.3438
N42.49311.24873.71964.34381.0281
H51.89693.20411.02814.34385.1005
H63.20411.89694.34381.02815.1005

picture of Ethenediimine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N4 154.122 C1 N3 H5 112.487
C2 C1 N3 154.122 C2 N4 H6 112.487
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.023      
2 C -0.023      
3 N -0.141      
4 N -0.141      
5 H 0.164      
6 H 0.164      


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 -20.063 -6.861 0.000
y -6.861 -23.076 0.000
z 0.000 0.000 -22.703
Traceless
 xyz
x 2.826 -6.861 0.000
y -6.861 -1.693 0.000
z 0.000 0.000 -1.134
Polar
3z2-r2-2.267
x2-y23.013
xy-6.861
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.569 -2.356 0.000
y -2.356 10.824 0.000
z 0.000 0.000 3.029


<r2> (average value of r2) Å2
<r2> 80.283
(<r2>)1/2 8.960