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

using model chemistry: B2PLYP=FULL/TZVP

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/TZVP
 hartrees
Energy at 0K-317.043502
Energy at 298.15K 
HF Energy-316.662654
Nuclear repulsion energy212.495167
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/TZVP
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A' 3550 3387 135.22 421.49 0.31 0.47
2 A' 2288 2183 6.55 234.89 0.10 0.18
3 A' 2152 2053 545.47 10.28 0.18 0.31
4 A' 1336 1275 2.67 53.63 0.20 0.33
5 A' 806 769 504.00 8.62 0.72 0.83
6 A' 656 626 3.23 15.39 0.08 0.16
7 A' 591 564 0.34 0.13 0.67 0.80
8 A' 576 550 7.43 6.12 0.63 0.77
9 A' 435 415 29.70 1.36 0.26 0.41
10 A' 166 159 6.83 0.35 0.73 0.84
11 A' 137 130 8.12 9.48 0.73 0.84
12 A" 2282 2178 16.52 179.47 0.75 0.86
13 A" 1222 1166 1.10 11.04 0.75 0.86
14 A" 742 708 94.36 0.76 0.75 0.86
15 A" 633 604 3.51 0.94 0.75 0.86
16 A" 407 388 7.74 5.45 0.75 0.86
17 A" 390 372 0.21 0.35 0.75 0.86
18 A" 134 128 0.00 10.92 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 9251.1 cm-1
Scaled (by 0.9542) Zero Point Vibrational Energy (zpe) 8827.4 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/TZVP
ABC
0.09419 0.09401 0.04721

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULL/TZVP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.010 -0.057 0.000
C2 -0.010 1.280 0.000
N3 0.141 2.471 0.000
C4 -0.010 -0.761 1.238
C5 -0.010 -0.761 -1.238
N6 -0.010 -1.332 2.248
N7 -0.010 -1.332 -2.248
H8 -0.623 3.140 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 C4 C5 N6 N7 H8
C11.33682.53211.42441.42442.58512.58513.2546
C21.33681.20032.38712.38713.44693.44691.9581
N32.53211.20033.46403.46404.42094.42091.0154
C41.42442.38713.46402.47661.16073.53324.1378
C51.42442.38713.46402.47663.53321.16074.1378
N62.58513.44694.42091.16073.53324.49665.0429
N72.58513.44694.42093.53321.16074.49665.0429
H83.25461.95811.01544.13784.13785.04295.0429

picture of Dicyanoketenimine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N3 172.808 C1 C4 N6 179.904
C1 C5 N7 179.904 C2 C1 C4 119.616
C2 C1 C5 119.616 C2 N3 H8 123.989
C4 C1 C5 120.768
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability