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All results from a given calculation for HNCCNH (Ethenediimine)

using model chemistry: MP2=FULL/Def2TZVPP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2H 1AG
Energy calculated at MP2=FULL/Def2TZVPP
 hartrees
Energy at 0K-186.524699
Energy at 298.15K 
HF Energy-185.750784
Nuclear repulsion energy89.401311
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 MP2=FULL/Def2TZVPP
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 3441 3441 0.00 583.44 0.29 0.45
2 Ag 2107 2107 0.00 5.78 0.75 0.85
3 Ag 1155 1155 0.00 32.25 0.62 0.77
4 Ag 921 921 0.00 29.08 0.16 0.28
5 Ag 307 307 0.00 4.44 0.22 0.36
6 Au 959 959 118.69 0.00 0.75 0.86
7 Au 249 249 0.00 0.00 0.75 0.86
8 Bg 676 676 0.00 2.81 0.75 0.86
9 Bu 3442 3442 30.05 0.00 0.30 0.46
10 Bu 1710 1710 99.76 0.00 0.28 0.44
11 Bu 1118 1118 396.03 0.00 0.00 0.00
12 Bu 283 283 6.76 0.00 0.22 0.36

Unscaled Zero Point Vibrational Energy (zpe) 8183.5 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 8183.5 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 MP2=FULL/Def2TZVPP
ABC
8.96868 0.14206 0.13985

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/Def2TZVPP

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.252 -0.599 0.000
C2 -0.252 0.599 0.000
N3 0.252 -1.849 0.000
N4 -0.252 1.849 0.000
H5 1.201 -2.228 0.000
H6 -1.201 2.228 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 N4 H5 H6
C11.30051.24932.49931.88463.1787
C21.30052.49931.24933.17871.8846
N31.24932.49933.73141.02134.3277
N42.49931.24933.73144.32771.0213
H51.88463.17871.02134.32775.0616
H63.17871.88464.32771.02135.0616

picture of Ethenediimine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N4 157.156 C1 N3 H5 111.805
C2 C1 N3 157.156 C2 N4 H6 111.805
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability