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=FULLultrafine/6-311G*

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=FULLultrafine/6-311G*
 hartrees
Energy at 0K-317.015482
Energy at 298.15K 
HF Energy-316.632609
Nuclear repulsion energy212.106175
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/6-311G*
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 3564 100.48 429.78 0.32 0.48
2 A' 2281 2281 6.15 199.38 0.11 0.20
3 A' 2149 2149 503.44 8.21 0.24 0.38
4 A' 1331 1331 3.71 46.94 0.22 0.37
5 A' 863 863 521.77 9.56 0.72 0.84
6 A' 654 654 2.24 14.24 0.10 0.18
7 A' 610 610 11.72 6.30 0.68 0.81
8 A' 589 589 0.57 0.14 0.44 0.61
9 A' 447 447 31.07 1.38 0.37 0.54
10 A' 173 173 5.93 0.36 0.73 0.84
11 A' 136 136 8.15 8.69 0.73 0.84
12 A" 2277 2277 12.49 163.05 0.75 0.86
13 A" 1224 1224 1.20 7.88 0.75 0.86
14 A" 747 747 98.46 1.10 0.75 0.86
15 A" 633 633 3.05 0.85 0.75 0.86
16 A" 419 419 8.14 5.49 0.75 0.86
17 A" 391 391 0.33 0.24 0.75 0.86
18 A" 134 134 0.00 10.42 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 9310.1 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 9310.1 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/6-311G*
ABC
0.09381 0.09370 0.04704

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULLultrafine/6-311G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.009 -0.059 0.000
C2 -0.009 1.281 0.000
N3 0.138 2.475 0.000
C4 -0.009 -0.762 1.241
C5 -0.009 -0.762 -1.241
N6 -0.009 -1.333 2.254
N7 -0.009 -1.333 -2.254
H8 -0.634 3.135 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 C4 C5 N6 N7 H8
C11.34002.53841.42661.42662.58952.58953.2548
C21.34001.20312.39052.39053.45193.45191.9568
N32.53841.20313.47013.47014.42794.42791.0155
C41.42662.39053.47012.48261.16293.54194.1376
C51.42662.39053.47012.48263.54191.16294.1376
N62.58953.45194.42791.16293.54194.50855.0437
N72.58953.45194.42793.54191.16294.50855.0437
H83.25481.95681.01554.13764.13765.04375.0437

picture of Dicyanoketenimine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N3 173.011 C1 C4 N6 179.893
C1 C5 N7 179.893 C2 C1 C4 119.524
C2 C1 C5 119.524 C2 N3 H8 123.547
C4 C1 C5 120.951
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP=FULLultrafine/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.007      
2 C 0.383      
3 N -0.513      
4 C 0.092      
5 C 0.092      
6 N -0.208      
7 N -0.208      
8 H 0.370      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.431 5.386 0.000 5.573
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -38.172 -4.815 0.000
y -4.815 -34.346 0.047
z 0.000 0.047 -52.563
Traceless
 xyz
x 5.282 -4.815 0.000
y -4.815 11.021 0.047
z 0.000 0.047 -16.304
Polar
3z2-r2-32.607
x2-y2-3.826
xy-4.815
xz0.000
yz0.047


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.924 0.030 -0.000
y 0.030 12.020 -0.004
z -0.000 -0.004 9.015


<r2> (average value of r2) Å2
<r2> 210.643
(<r2>)1/2 14.514