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All results from a given calculation for HNCCNH (Ethenediimine)

using model chemistry: CCD/6-311+G(3df,2p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2H 1AG
Energy calculated at CCD/6-311+G(3df,2p)
 hartrees
Energy at 0K-186.447857
Energy at 298.15K 
HF Energy-185.744085
Nuclear repulsion energy89.674688
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 CCD/6-311+G(3df,2p)
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 3481 3283 0.00      
2 Ag 2195 2070 0.00      
3 Ag 1192 1124 0.00      
4 Ag 937 883 0.00      
5 Ag 299 282 0.00      
6 Au 971 916 119.54      
7 Au 247 233 0.10      
8 Bg 664 626 0.00      
9 Bu 3481 3283 24.83      
10 Bu 1761 1661 155.85      
11 Bu 1170 1104 351.18      
12 Bu 286 270 5.80      

Unscaled Zero Point Vibrational Energy (zpe) 8342.0 cm-1
Scaled (by 0.9431) Zero Point Vibrational Energy (zpe) 7867.3 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 CCD/6-311+G(3df,2p)
ABC
9.35381 0.14246 0.14032

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCD/6-311+G(3df,2p)

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.230 -0.606 0.000
C2 -0.230 0.606 0.000
N3 0.230 -1.849 0.000
N4 -0.230 1.849 0.000
H5 1.178 -2.229 0.000
H6 -1.178 2.229 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 N4 H5 H6
C11.29721.24272.49811.87903.1658
C21.29722.49811.24273.16581.8790
N31.24272.49813.72651.02054.3143
N42.49811.24273.72654.31431.0205
H51.87903.16581.02054.31435.0421
H63.16581.87904.31431.02055.0421

picture of Ethenediimine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N4 159.186 C1 N3 H5 111.874
C2 C1 N3 159.186 C2 N4 H6 111.874
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability