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/cc-pVDZ

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/cc-pVDZ
 hartrees
Energy at 0K-317.085410
Energy at 298.15K 
HF Energy-317.085410
Nuclear repulsion energy211.896982
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/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 A' 3564 3395 143.18 366.63 0.31 0.47
2 A' 2390 2277 13.76 189.51 0.11 0.20
3 A' 2187 2083 604.58 6.86 0.35 0.52
4 A' 1364 1299 3.91 41.15 0.22 0.37
5 A' 868 827 414.22 8.76 0.72 0.84
6 A' 664 633 2.54 12.96 0.10 0.18
7 A' 616 586 17.09 6.55 0.69 0.81
8 A' 591 563 0.52 0.14 0.39 0.56
9 A' 445 424 36.45 1.43 0.39 0.56
10 A' 172 164 6.17 0.33 0.72 0.84
11 A' 136 129 8.07 8.18 0.73 0.84
12 A" 2384 2271 26.71 153.01 0.75 0.86
13 A" 1247 1188 2.39 7.23 0.75 0.86
14 A" 737 703 82.20 1.17 0.75 0.86
15 A" 634 604 3.70 0.94 0.75 0.86
16 A" 422 402 8.05 5.02 0.75 0.86
17 A" 392 374 0.34 0.21 0.75 0.86
18 A" 133 126 0.01 9.56 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 9472.9 cm-1
Scaled (by 0.9526) Zero Point Vibrational Energy (zpe) 9023.8 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 wB97X-D/cc-pVDZ
ABC
0.09391 0.09312 0.04693

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.004 -0.060 0.000
C2 -0.004 1.281 0.000
N3 0.122 2.480 0.000
C4 -0.004 -0.764 1.247
C5 -0.004 -0.764 -1.247
N6 -0.004 -1.329 2.260
N7 -0.004 -1.329 -2.260
H8 -0.702 3.086 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 C4 C5 N6 N7 H8
C11.34122.54271.43201.43202.59192.59193.2224
C21.34121.20502.39532.39533.45273.45271.9350
N32.54271.20503.47733.47734.43054.43051.0230
C41.43202.39533.47732.49401.16003.55224.1065
C51.43202.39533.47732.49403.55221.16004.1065
N62.59193.45274.43051.16003.55224.52005.0086
N72.59193.45274.43053.55221.16004.52005.0086
H83.22241.93501.02304.10654.10655.00865.0086

picture of Dicyanoketenimine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N3 173.995 C1 C4 N6 179.706
C1 C5 N7 179.706 C2 C1 C4 119.446
C2 C1 C5 119.446 C2 N3 H8 120.342
C4 C1 C5 121.108
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.097      
2 C 0.212      
3 N -0.122      
4 C -0.002      
5 C -0.002      
6 N -0.085      
7 N -0.085      
8 H 0.182      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.406 5.164 0.000 5.352
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -37.510 -4.663 0.000
y -4.663 -34.315 0.000
z 0.000 0.000 -51.406
Traceless
 xyz
x 5.351 -4.663 0.000
y -4.663 10.143 0.000
z 0.000 0.000 -15.493
Polar
3z2-r2-30.987
x2-y2-3.195
xy-4.663
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.784 -0.082 0.000
y -0.082 11.573 0.000
z 0.000 0.000 8.798


<r2> (average value of r2) Å2
<r2> 210.584
(<r2>)1/2 14.512