return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

All results from a given calculation for HN=C=C(CN)2 (Dicyanoketenimine)

using model chemistry: B2PLYP=FULL/6-31G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B2PLYP=FULL/6-31G**
 hartrees
Energy at 0K-316.903274
Energy at 298.15K 
HF Energy-316.560356
Nuclear repulsion energy211.328453
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=FULL/6-31G**
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A' 3578 3578 106.72 434.63 0.31 0.48
2 A' 2293 2293 6.10 182.76 0.12 0.22
3 A' 2159 2159 482.39 9.72 0.22 0.37
4 A' 1342 1342 3.80 47.89 0.23 0.38
5 A' 861 861 488.92 12.07 0.71 0.83
6 A' 658 658 1.98 13.22 0.11 0.20
7 A' 607 607 12.39 7.10 0.70 0.83
8 A' 584 584 0.36 0.13 0.31 0.48
9 A' 433 433 29.96 1.52 0.39 0.56
10 A' 173 173 7.17 0.32 0.72 0.83
11 A' 134 134 8.41 9.15 0.73 0.84
12 A" 2288 2288 11.36 161.97 0.75 0.86
13 A" 1233 1233 1.24 7.54 0.75 0.86
14 A" 743 743 93.50 1.72 0.75 0.86
15 A" 625 625 2.18 1.00 0.75 0.86
16 A" 414 414 7.78 6.58 0.75 0.86
17 A" 383 383 0.34 0.24 0.75 0.86
18 A" 131 131 0.01 10.83 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 9317.8 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 9317.8 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=FULL/6-31G**
ABC
0.09326 0.09296 0.04672

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULL/6-31G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.008 -0.059 0.000
C2 -0.008 1.284 0.000
N3 0.137 2.485 0.000
C4 -0.008 -0.763 1.244
C5 -0.008 -0.763 -1.244
N6 -0.008 -1.337 2.264
N7 -0.008 -1.337 -2.264
H8 -0.649 3.129 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 C4 C5 N6 N7 H8
C11.34292.54811.42941.42942.59972.59973.2524
C21.34291.20982.39522.39523.46323.46321.9539
N32.54811.20983.48093.48094.44444.44441.0171
C41.42942.39523.48092.48811.17043.55484.1364
C51.42942.39523.48092.48813.55481.17044.1364
N62.59973.46324.44441.17043.55484.52815.0483
N72.59973.46324.44443.55481.17044.52815.0483
H83.25241.95391.01714.13644.13645.04835.0483

picture of Dicyanoketenimine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N3 173.098 C1 C4 N6 179.867
C1 C5 N7 179.867 C2 C1 C4 119.499
C2 C1 C5 119.499 C2 N3 H8 122.429
C4 C1 C5 121.002
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability