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All results from a given calculation for HNCCNH (Ethenediimine)

using model chemistry: MP3=FULL/6-31+G**

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/6-31+G**
 hartrees
Energy at 0K-186.303752
Energy at 298.15K 
HF Energy-185.686264
Nuclear repulsion energy89.221058
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/6-31+G**
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 3543 3301 0.00      
2 Ag 2131 1985 0.00      
3 Ag 1211 1128 0.00      
4 Ag 948 883 0.00      
5 Ag 346 322 0.00      
6 Au 977 910 138.12      
7 Au 248 231 0.00      
8 Bg 709 660 0.00      
9 Bu 3544 3302 19.31      
10 Bu 1783 1661 162.74      
11 Bu 1169 1089 386.51      
12 Bu 284 265 7.22      

Unscaled Zero Point Vibrational Energy (zpe) 8446.6 cm-1
Scaled (by 0.9316) Zero Point Vibrational Energy (zpe) 7868.9 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/6-31+G**
ABC
8.11917 0.14248 0.14002

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3=FULL/6-31+G**

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.302 -0.586 0.000
C2 -0.302 0.586 0.000
N3 0.302 -1.836 0.000
N4 -0.302 1.836 0.000
H5 1.250 -2.210 0.000
H6 -1.250 2.210 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 N4 H5 H6
C11.31791.25042.49601.88123.1980
C21.31792.49601.25043.19801.8812
N31.25042.49603.72161.01954.3340
N42.49601.25043.72164.33401.0195
H51.88123.19801.01954.33405.0789
H63.19801.88124.33401.01955.0789

picture of Ethenediimine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N4 152.736 C1 N3 H5 111.532
C2 C1 N3 152.736 C2 N4 H6 111.532
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability