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: wB97X-D/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at wB97X-D/3-21G
 hartrees
Energy at 0K-315.316396
Energy at 298.15K 
HF Energy-315.316396
Nuclear repulsion energy212.654313
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 wB97X-D/3-21G
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' 3614 3614 274.03 326.92 0.31 0.48
2 A' 2385 2385 6.81 140.91 0.13 0.22
3 A' 2263 2263 555.78 10.76 0.57 0.72
4 A' 1364 1364 0.22 41.25 0.26 0.41
5 A' 794 794 51.13 14.76 0.69 0.82
6 A' 676 676 35.55 14.13 0.08 0.16
7 A' 657 657 492.80 7.93 0.52 0.69
8 A' 633 633 0.61 0.31 0.19 0.32
9 A' 516 516 136.13 2.75 0.64 0.78
10 A' 186 186 3.19 0.52 0.75 0.86
11 A' 154 154 6.14 8.71 0.73 0.84
12 A" 2377 2377 24.50 131.29 0.75 0.86
13 A" 1238 1238 0.11 5.40 0.75 0.86
14 A" 781 781 116.64 0.25 0.75 0.86
15 A" 675 675 13.00 1.24 0.75 0.86
16 A" 514 514 12.96 6.32 0.75 0.86
17 A" 462 462 1.86 0.14 0.75 0.86
18 A" 150 150 0.52 10.16 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 9719.3 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 9719.3 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 wB97X-D/3-21G
ABC
0.09481 0.09368 0.04724

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/3-21G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.002 -0.058 0.000
C2 0.002 1.281 0.000
N3 0.076 2.470 0.000
C4 0.002 -0.760 1.233
C5 0.002 -0.760 -1.233
N6 0.002 -1.338 2.243
N7 0.002 -1.338 -2.243
H8 -0.600 3.227 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 C4 C5 N6 N7 H8
C11.33882.52841.41961.41962.58222.58223.3397
C21.33881.19082.38522.38523.44783.44782.0372
N32.52841.19083.45843.45844.41934.41931.0153
C41.41962.38523.45842.46691.16263.52374.2173
C51.41962.38523.45842.46693.52371.16264.2173
N62.58223.44784.41931.16263.52374.48525.1216
N72.58223.44784.41933.52371.16264.48525.1216
H83.33972.03721.01534.21734.21735.12165.1216

picture of Dicyanoketenimine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N3 176.439 C1 C4 N6 179.902
C1 C5 N7 179.902 C2 C1 C4 119.673
C2 C1 C5 119.673 C2 N3 H8 134.708
C4 C1 C5 120.654
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.021      
2 C 0.620      
3 N -0.759      
4 C 0.352      
5 C 0.352      
6 N -0.463      
7 N -0.463      
8 H 0.383      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.516 6.008 0.000 6.197
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -38.012 -5.023 0.000
y -5.023 -31.769 0.000
z 0.000 0.000 -51.961
Traceless
 xyz
x 3.853 -5.023 0.000
y -5.023 13.218 0.000
z 0.000 0.000 -17.071
Polar
3z2-r2-34.141
x2-y2-6.243
xy-5.023
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.609 -0.025 0.000
y -0.025 10.718 0.000
z 0.000 0.000 7.745


<r2> (average value of r2) Å2
<r2> 209.381
(<r2>)1/2 14.470