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All results from a given calculation for HNCCNH (Ethenediimine)

using model chemistry: MP3=FULL/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 MP3=FULL/cc-pVDZ
 hartrees
Energy at 0K-186.290294
Energy at 298.15K 
HF Energy-185.690997
Nuclear repulsion energy88.764614
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 MP3=FULL/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 3463 3256 0.00      
2 Ag 2136 2008 0.00      
3 Ag 1207 1135 0.00      
4 Ag 939 883 0.00      
5 Ag 306 288 0.00      
6 Au 966 909 119.00      
7 Au 244 229 0.00      
8 Bg 685 645 0.00      
9 Bu 3464 3257 7.65      
10 Bu 1768 1663 126.55      
11 Bu 1175 1105 374.39      
12 Bu 289 271 5.59      

Unscaled Zero Point Vibrational Energy (zpe) 8321.1 cm-1
Scaled (by 0.9403) Zero Point Vibrational Energy (zpe) 7824.3 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 MP3=FULL/cc-pVDZ
ABC
7.99207 0.14092 0.13848

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3=FULL/cc-pVDZ

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.292 -0.594 0.000
C2 -0.292 0.594 0.000
N3 0.292 -1.850 0.000
N4 -0.292 1.850 0.000
H5 1.261 -2.200 0.000
H6 -1.261 2.200 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 N4 H5 H6
C11.32471.25562.51331.87573.1975
C21.32472.51331.25563.19751.8757
N31.25562.51333.74591.03064.3380
N42.51331.25563.74594.33801.0306
H51.87573.19751.03064.33805.0724
H63.19751.87574.33801.03065.0724

picture of Ethenediimine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N4 153.830 C1 N3 H5 109.873
C2 C1 N3 153.830 C2 N4 H6 109.873
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability