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All results from a given calculation for HNCCNH (Ethenediimine)

using model chemistry: B2PLYP=FULLultrafine/aug-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 B2PLYP=FULLultrafine/aug-cc-pVDZ
 hartrees
Energy at 0K-186.663109
Energy at 298.15K 
HF Energy-186.454363
Nuclear repulsion energy88.850262
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 B2PLYP=FULLultrafine/aug-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 3412 3283 0.00 673.70 0.30 0.46
2 Ag 2074 1996 0.00 27.76 0.36 0.53
3 Ag 1169 1125 0.00 33.53 0.53 0.70
4 Ag 919 884 0.00 50.57 0.15 0.26
5 Ag 329 317 0.00 2.92 0.43 0.60
6 Au 945 909 117.02 0.00 0.00 0.00
7 Au 247 238 0.02 0.00 0.00 0.00
8 Bg 693 666 0.00 3.87 0.75 0.86
9 Bu 3412 3284 19.22 0.00 0.31 0.47
10 Bu 1719 1655 156.20 0.00 0.00 0.00
11 Bu 1125 1083 410.53 0.00 0.00 0.00
12 Bu 276 266 6.65 0.00 0.00 0.00

Unscaled Zero Point Vibrational Energy (zpe) 8160.2 cm-1
Scaled (by 0.9623) Zero Point Vibrational Energy (zpe) 7852.5 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 B2PLYP=FULLultrafine/aug-cc-pVDZ
ABC
8.30010 0.14108 0.13872

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULLultrafine/aug-cc-pVDZ

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.291 -0.592 0.000
C2 -0.291 0.592 0.000
N3 0.291 -1.847 0.000
N4 -0.291 1.847 0.000
H5 1.243 -2.236 0.000
H6 -1.243 2.236 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 N4 H5 H6
C11.31881.25522.50711.89943.2165
C21.31882.50711.25523.21651.8994
N31.25522.50713.73931.02784.3611
N42.50711.25523.73934.36111.0278
H51.89943.21651.02784.36115.1155
H63.21651.89944.36111.02785.1155

picture of Ethenediimine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N4 153.796 C1 N3 H5 112.226
C2 C1 N3 153.796 C2 N4 H6 112.226
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability