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All results from a given calculation for HNCCNH (Ethenediimine)

using model chemistry: CCSD=FULL/daug-cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2H 1AG
Energy calculated at CCSD=FULL/daug-cc-pVDZ
 hartrees
Energy at 0K-186.336946
Energy at 298.15K 
HF Energy-185.703881
Nuclear repulsion energy88.534214
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 CCSD=FULL/daug-cc-pVDZ
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 3426 3426 0.00      
2 Ag 2102 2102 0.00      
3 Ag 1192 1192 0.00      
4 Ag 917 917 0.00      
5 Ag 300 300 0.00      
6 Au 949 949 113.71      
7 Au 242 242 0.03      
8 Bg 676 676 0.00      
9 Bu 3426 3426 15.07      
10 Bu 1722 1722 152.99      
11 Bu 1164 1164 372.16      
12 Bu 277 277 4.97      

Unscaled Zero Point Vibrational Energy (zpe) 8196.0 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 8196.0 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 CCSD=FULL/daug-cc-pVDZ
ABC
8.24374 0.13985 0.13752

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

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.285 -0.598 0.000
C2 -0.285 0.598 0.000
N3 0.285 -1.858 0.000
N4 -0.285 1.858 0.000
H5 1.246 -2.226 0.000
H6 -1.246 2.226 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 N4 H5 H6
C11.32531.25942.52131.89023.2124
C21.32532.52131.25943.21241.8902
N31.25942.52133.75891.02924.3612
N42.52131.25943.75894.36121.0292
H51.89023.21241.02924.36125.1019
H63.21241.89024.36121.02925.1019

picture of Ethenediimine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N4 154.552 C1 N3 H5 110.964
C2 C1 N3 154.552 C2 N4 H6 110.964
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability