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All results from a given calculation for HNCCNH (Ethenediimine)

using model chemistry: B2PLYP=FULLultrafine/6-31G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2H 1AG
Energy calculated at B2PLYP=FULLultrafine/6-31G**
 hartrees
Energy at 0K-186.632252
Energy at 298.15K 
HF Energy-186.428187
Nuclear repulsion energy89.124334
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 B2PLYP=FULLultrafine/6-31G**
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 3437 3437 0.00 710.52 0.31 0.48
2 Ag 2111 2111 0.00 20.67 0.36 0.53
3 Ag 1187 1187 0.00 30.15 0.74 0.85
4 Ag 935 935 0.00 35.02 0.27 0.43
5 Ag 331 331 0.00 4.17 0.24 0.38
6 Au 961 961 133.97 0.00 0.00 0.00
7 Au 252 252 0.02 0.00 0.00 0.00
8 Bg 702 702 0.00 12.73 0.75 0.86
9 Bu 3438 3438 2.20 0.00 0.31 0.48
10 Bu 1750 1750 124.49 0.00 0.00 0.00
11 Bu 1139 1139 431.18 0.00 0.00 0.00
12 Bu 283 283 5.98 0.00 0.00 0.00

Unscaled Zero Point Vibrational Energy (zpe) 8262.9 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 8262.9 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 B2PLYP=FULLultrafine/6-31G**
ABC
8.36025 0.14196 0.13959

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULLultrafine/6-31G**

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.287 -0.590 0.000
C2 -0.287 0.590 0.000
N3 0.287 -1.842 0.000
N4 -0.287 1.842 0.000
H5 1.238 -2.226 0.000
H6 -1.238 2.226 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 N4 H5 H6
C11.31161.25272.49891.89213.2016
C21.31162.49891.25273.20161.8921
N31.25272.49893.72931.02514.3444
N42.49891.25273.72934.34441.0251
H51.89213.20161.02514.34445.0932
H63.20161.89214.34441.02515.0932

picture of Ethenediimine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N4 154.049 C1 N3 H5 111.948
C2 C1 N3 154.049 C2 N4 H6 111.948
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability