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All results from a given calculation for HNCCNH (Ethenediimine)

using model chemistry: B2PLYP=FULL/TZVP

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/TZVP
 hartrees
Energy at 0K-186.716834
Energy at 298.15K 
HF Energy-186.489370
Nuclear repulsion energy89.590889
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/TZVP
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 3416 3259 0.00 734.26 0.32 0.48
2 Ag 2108 2011 0.00 25.84 0.41 0.58
3 Ag 1170 1117 0.00 29.72 0.74 0.85
4 Ag 931 888 0.00 42.57 0.20 0.33
5 Ag 352 336 0.00 9.62 0.18 0.30
6 Au 964 920 131.60 0.00 0.00 0.00
7 Au 252 240 0.05 0.00 0.00 0.00
8 Bg 699 667 0.00 8.47 0.75 0.86
9 Bu 3416 3260 10.89 0.00 0.39 0.57
10 Bu 1734 1655 147.47 0.00 0.00 0.00
11 Bu 1125 1074 413.10 0.00 0.00 0.00
12 Bu 284 271 8.67 0.00 0.00 0.00

Unscaled Zero Point Vibrational Energy (zpe) 8224.7 cm-1
Scaled (by 0.9542) Zero Point Vibrational Energy (zpe) 7848.0 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/TZVP
ABC
8.78324 0.14309 0.14079

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

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.269 -0.592 0.000
C2 -0.269 0.592 0.000
N3 0.269 -1.838 0.000
N4 -0.269 1.838 0.000
H5 1.214 -2.230 0.000
H6 -1.214 2.230 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 N4 H5 H6
C11.30081.24532.48861.89073.1879
C21.30082.48861.24533.18791.8907
N31.24532.48863.71421.02304.3293
N42.48861.24533.71424.32931.0230
H51.89073.18791.02304.32935.0777
H63.18791.89074.32931.02305.0777

picture of Ethenediimine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N4 155.580 C1 N3 H5 112.558
C2 C1 N3 155.580 C2 N4 H6 112.558
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability