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All results from a given calculation for HNCCNH (Ethenediimine)

using model chemistry: PBEPBE/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 PBEPBE/6-311G**
 hartrees
Energy at 0K-186.646254
Energy at 298.15K 
HF Energy-186.646254
Nuclear repulsion energy88.979813
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 PBEPBE/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 3284 3254 0.00 862.60 0.32 0.48
2 Ag 2069 2050 0.00 21.64 0.37 0.55
3 Ag 1147 1137 0.00 28.13 0.73 0.85
4 Ag 914 906 0.00 34.20 0.25 0.40
5 Ag 316 313 0.00 4.03 0.37 0.54
6 Au 934 925 121.23 0.00 0.00 0.00
7 Au 247 245 0.13 0.00 0.00 0.00
8 Bg 682 676 0.00 8.49 0.75 0.86
9 Bu 3284 3254 3.10 0.00 0.32 0.00
10 Bu 1713 1697 122.59 0.00 0.00 0.00
11 Bu 1105 1095 380.99 0.00 0.00 0.00
12 Bu 279 276 7.04 0.00 0.00 0.00

Unscaled Zero Point Vibrational Energy (zpe) 7986.8 cm-1
Scaled (by 0.9909) Zero Point Vibrational Energy (zpe) 7914.1 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 PBEPBE/6-311G**
ABC
8.41443 0.14148 0.13914

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

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.278 -0.593 0.000
C2 -0.278 0.593 0.000
N3 0.278 -1.847 0.000
N4 -0.278 1.847 0.000
H5 1.238 -2.235 0.000
H6 -1.238 2.235 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 N4 H5 H6
C11.31061.25352.50281.90153.2090
C21.31062.50281.25353.20901.9015
N31.25352.50283.73531.03494.3543
N42.50281.25353.73534.35431.0349
H51.90153.20901.03494.35435.1097
H63.20901.90154.35431.03495.1097

picture of Ethenediimine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N4 154.861 C1 N3 H5 112.031
C2 C1 N3 154.861 C2 N4 H6 112.031
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.119      
2 C 0.119      
3 N -0.327      
4 N -0.327      
5 H 0.208      
6 H 0.208      


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 -19.983 -7.185 0.000
y -7.185 -23.023 0.000
z 0.000 0.000 -22.702
Traceless
 xyz
x 2.880 -7.185 0.000
y -7.185 -1.680 0.000
z 0.000 0.000 -1.200
Polar
3z2-r2-2.399
x2-y23.040
xy-7.185
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.063 -2.369 0.000
y -2.369 10.415 0.000
z 0.000 0.000 2.420


<r2> (average value of r2) Å2
<r2> 80.722
(<r2>)1/2 8.985