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All results from a given calculation for HNCCNH (Ethenediimine)

using model chemistry: B2PLYP=FULL/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 B2PLYP=FULL/cc-pVTZ
 hartrees
Energy at 0K-186.747431
Energy at 298.15K 
HF Energy-186.495650
Nuclear repulsion energy89.672645
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=FULL/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 3413 3262 0.00 746.45 0.30 0.46
2 Ag 2151 2056 0.00 20.45 0.39 0.56
3 Ag 1178 1126 0.00 23.03 0.66 0.80
4 Ag 930 889 0.00 38.39 0.22 0.36
5 Ag 295 282 0.00 2.90 0.46 0.63
6 Au 965 923 120.96 0.00 0.00 0.00
7 Au 256 245 0.00 0.00 0.00 0.00
8 Bg 678 648 0.00 4.81 0.75 0.86
9 Bu 3414 3263 9.49 0.00 0.30 0.46
10 Bu 1734 1657 134.31 0.00 0.00 0.00
11 Bu 1145 1094 404.81 0.00 0.00 0.00
12 Bu 286 274 6.16 0.00 0.00 0.00

Unscaled Zero Point Vibrational Energy (zpe) 8222.5 cm-1
Scaled (by 0.9558) Zero Point Vibrational Energy (zpe) 7859.1 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 B2PLYP=FULL/cc-pVTZ
ABC
9.41343 0.14254 0.14042

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULL/cc-pVTZ

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.231 -0.604 0.000
C2 -0.231 0.604 0.000
N3 0.231 -1.848 0.000
N4 -0.231 1.848 0.000
H5 1.175 -2.239 0.000
H6 -1.175 2.239 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 N4 H5 H6
C11.29281.24432.49481.88833.1716
C21.29282.49481.24433.17161.8883
N31.24432.49483.72471.02174.3223
N42.49481.24433.72474.32231.0217
H51.88833.17161.02174.32235.0575
H63.17161.88834.32231.02175.0575

picture of Ethenediimine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N4 159.040 C1 N3 H5 112.513
C2 C1 N3 159.040 C2 N4 H6 112.513
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability