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/cc-pVTZ

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/cc-pVTZ
 hartrees
Energy at 0K-317.237658
Energy at 298.15K 
HF Energy-317.237658
Nuclear repulsion energy211.417792
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/cc-pVTZ
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' 3401 3391 69.57 568.46 0.31 0.47
2 A' 2244 2237 3.07 250.27 0.11 0.19
3 A' 2079 2072 461.67 8.58 0.32 0.48
4 A' 1278 1274 4.13 41.12 0.19 0.31
5 A' 854 852 432.53 6.92 0.66 0.79
6 A' 636 634 1.58 17.50 0.08 0.15
7 A' 584 582 5.79 3.23 0.65 0.79
8 A' 570 568 0.47 0.57 0.65 0.79
9 A' 422 421 20.19 1.10 0.29 0.45
10 A' 173 172 6.49 0.20 0.66 0.80
11 A' 131 131 8.07 8.52 0.73 0.84
12 A" 2228 2221 21.27 190.40 0.75 0.86
13 A" 1165 1161 0.89 8.51 0.75 0.86
14 A" 711 709 75.04 1.61 0.75 0.86
15 A" 610 608 3.35 0.35 0.75 0.86
16 A" 397 396 6.93 3.04 0.75 0.86
17 A" 373 371 0.29 0.25 0.75 0.86
18 A" 129 128 0.00 9.93 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 8990.8 cm-1
Scaled (by 0.997) Zero Point Vibrational Energy (zpe) 8963.8 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 BLYP/cc-pVTZ
ABC
0.09334 0.09296 0.04674

See section I.F.4 to change rotational constant units
Geometric Data calculated at BLYP/cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.011 -0.059 0.000
C2 -0.011 1.288 0.000
N3 0.147 2.485 0.000
C4 -0.011 -0.765 1.244
C5 -0.011 -0.765 -1.244
N6 -0.011 -1.339 2.258
N7 -0.011 -1.339 -2.258
H8 -0.628 3.154 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 C4 C5 N6 N7 H8
C11.34752.54931.43051.43052.59562.59563.2719
C21.34751.20732.40072.40073.46453.46451.9652
N32.54931.20733.48363.48364.44424.44421.0241
C41.43052.40073.48362.48901.16513.54934.1576
C51.43052.40073.48362.48903.54931.16514.1576
N62.59563.46454.44421.16513.54934.51615.0664
N72.59563.46454.44423.54931.16514.51615.0664
H83.27191.96521.02414.15764.15765.06645.0664

picture of Dicyanoketenimine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N3 172.487 C1 C4 N6 180.000
C1 C5 N7 180.000 C2 C1 C4 119.549
C2 C1 C5 119.549 C2 N3 H8 123.244
C4 C1 C5 120.902
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.029      
2 C 0.132      
3 N -0.079      
4 C -0.069      
5 C -0.069      
6 N -0.041      
7 N -0.041      
8 H 0.197      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.226 5.239 0.000 5.380
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -38.172 -4.253 0.000
y -4.253 -34.871 0.000
z 0.000 0.000 -52.665
Traceless
 xyz
x 5.596 -4.253 0.000
y -4.253 10.547 0.000
z 0.000 0.000 -16.143
Polar
3z2-r2-32.286
x2-y2-3.301
xy-4.253
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.846 -0.015 0.000
y -0.015 13.089 0.000
z 0.000 0.000 10.357


<r2> (average value of r2) Å2
<r2> 211.979
(<r2>)1/2 14.560