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: BLYP/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 BLYP/6-311G**
 hartrees
Energy at 0K-317.206745
Energy at 298.15K 
HF Energy-317.206745
Nuclear repulsion energy211.046082
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 BLYP/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' 3398 3385 63.24 588.33 0.32 0.48
2 A' 2245 2236 3.08 226.58 0.12 0.21
3 A' 2083 2075 445.28 8.68 0.29 0.45
4 A' 1278 1273 5.38 40.38 0.20 0.34
5 A' 855 852 428.30 9.12 0.73 0.84
6 A' 636 633 1.81 16.35 0.10 0.18
7 A' 599 596 7.18 4.64 0.68 0.81
8 A' 573 571 0.38 0.18 0.65 0.78
9 A' 422 420 21.67 1.13 0.32 0.49
10 A' 173 172 5.82 0.20 0.66 0.80
11 A' 133 132 7.51 9.47 0.73 0.84
12 A" 2229 2221 18.76 185.61 0.75 0.86
13 A" 1169 1164 1.21 6.79 0.75 0.86
14 A" 710 708 82.33 1.82 0.75 0.86
15 A" 611 608 2.72 0.56 0.75 0.86
16 A" 406 405 7.94 4.99 0.75 0.86
17 A" 378 376 0.30 0.31 0.75 0.86
18 A" 130 129 0.01 10.91 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 9012.8 cm-1
Scaled (by 0.9961) Zero Point Vibrational Energy (zpe) 8977.6 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 BLYP/6-311G**
ABC
0.09315 0.09253 0.04658

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.010 -0.059 0.000
C2 -0.010 1.291 0.000
N3 0.146 2.491 0.000
C4 -0.010 -0.765 1.246
C5 -0.010 -0.765 -1.246
N6 -0.010 -1.343 2.260
N7 -0.010 -1.343 -2.260
H8 -0.639 3.153 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 C4 C5 N6 N7 H8
C11.34992.55471.43221.43222.59992.59993.2729
C21.34991.21012.40452.40453.47143.47141.9654
N32.55471.21013.49033.49034.45404.45401.0267
C41.43222.40453.49032.49121.16783.55334.1597
C51.43222.40453.49032.49123.55331.16784.1597
N62.59993.47144.45401.16783.55334.52075.0719
N72.59993.47144.45403.55331.16784.52075.0719
H83.27291.96541.02674.15974.15975.07195.0719

picture of Dicyanoketenimine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N3 172.609 C1 C4 N6 179.906
C1 C5 N7 179.906 C2 C1 C4 119.572
C2 C1 C5 119.572 C2 N3 H8 122.744
C4 C1 C5 120.856
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.003      
2 C 0.270      
3 N -0.298      
4 C 0.055      
5 C 0.055      
6 N -0.166      
7 N -0.166      
8 H 0.247      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.316 5.217 0.000 5.380
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -38.070 -4.488 0.000
y -4.488 -34.632 0.000
z 0.000 0.000 -52.132
Traceless
 xyz
x 5.312 -4.488 0.000
y -4.488 10.469 0.000
z 0.000 0.000 -15.781
Polar
3z2-r2-31.563
x2-y2-3.438
xy-4.488
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.041 -0.031 0.000
y -0.031 12.523 0.000
z 0.000 0.000 9.719


<r2> (average value of r2) Å2
<r2> 212.408
(<r2>)1/2 14.574