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All results from a given calculation for HNCCNH (Ethenediimine)

using model chemistry: MP2/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 MP2/daug-cc-pVDZ
 hartrees
Energy at 0K-186.308735
Energy at 298.15K 
HF Energy-185.701202
Nuclear repulsion energy88.228246
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 MP2/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 3417 3417 0.00 569.62 0.28 0.44
2 Ag 2016 2016 0.00 4.63 0.73 0.85
3 Ag 1151 1151 0.00 45.05 0.46 0.63
4 Ag 906 906 0.00 37.18 0.11 0.21
5 Ag 342 342 0.00 2.26 0.31 0.47
6 Au 936 936 111.49 0.00 0.00 0.00
7 Au 241 241 0.03 0.00 0.00 0.00
8 Bg 701 701 0.00 1.78 0.75 0.86
9 Bu 3417 3417 33.43 0.00 0.28 0.44
10 Bu 1681 1681 105.83 0.00 0.00 0.00
11 Bu 1101 1101 403.93 0.00 0.00 0.00
12 Bu 276 276 6.85 0.00 0.00 0.00

Unscaled Zero Point Vibrational Energy (zpe) 8091.6 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 8091.6 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 MP2/daug-cc-pVDZ
ABC
7.65290 0.13980 0.13729

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/daug-cc-pVDZ

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.319 -0.585 0.000
C2 -0.319 0.585 0.000
N3 0.319 -1.852 0.000
N4 -0.319 1.852 0.000
H5 1.281 -2.224 0.000
H6 -1.281 2.224 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 N4 H5 H6
C11.33251.26652.51861.90023.2323
C21.33252.51861.26653.23231.9002
N31.26652.51863.75761.03134.3780
N42.51861.26653.75764.37801.0313
H51.90023.23231.03134.37805.1323
H63.23231.90024.37801.03135.1323

picture of Ethenediimine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N4 151.412 C1 N3 H5 111.158
C2 C1 N3 151.412 C2 N4 H6 111.158
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability