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: PBE1PBE/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 PBE1PBE/cc-pVDZ
 hartrees
Energy at 0K-316.839254
Energy at 298.15K 
HF Energy-316.839254
Nuclear repulsion energy211.977302
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 PBE1PBE/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' 3537 3401 124.98 441.40 0.31 0.47
2 A' 2383 2291 10.85 202.69 0.11 0.20
3 A' 2194 2110 550.31 7.13 0.34 0.51
4 A' 1363 1310 4.63 39.44 0.22 0.36
5 A' 863 830 410.15 8.46 0.72 0.84
6 A' 669 643 2.77 14.23 0.10 0.18
7 A' 616 592 14.12 5.55 0.69 0.81
8 A' 593 570 0.55 0.23 0.36 0.53
9 A' 444 427 32.87 1.36 0.37 0.54
10 A' 174 167 5.81 0.29 0.71 0.83
11 A' 135 130 7.68 8.30 0.73 0.84
12 A" 2375 2283 26.95 163.60 0.75 0.86
13 A" 1255 1207 1.86 6.78 0.75 0.86
14 A" 732 704 81.00 1.45 0.75 0.86
15 A" 632 608 3.38 0.76 0.75 0.86
16 A" 424 407 8.26 4.60 0.75 0.86
17 A" 394 379 0.33 0.23 0.75 0.86
18 A" 132 127 0.00 9.71 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 9456.6 cm-1
Scaled (by 0.9615) Zero Point Vibrational Energy (zpe) 9092.6 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 PBE1PBE/cc-pVDZ
ABC
0.09380 0.09349 0.04699

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.006 -0.061 0.000
C2 -0.006 1.282 0.000
N3 0.130 2.479 0.000
C4 -0.006 -0.762 1.243
C5 -0.006 -0.762 -1.243
N6 -0.006 -1.331 2.256
N7 -0.006 -1.331 -2.256
H8 -0.684 3.100 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 C4 C5 N6 N7 H8
C11.34302.54381.42711.42712.58942.58943.2333
C21.34301.20492.39242.39243.45283.45281.9407
N32.54381.20493.47423.47424.43074.43071.0238
C41.42712.39243.47422.48601.16233.54534.1138
C51.42712.39243.47422.48603.54531.16234.1138
N62.58943.45284.43071.16233.54534.51265.0192
N72.58943.45284.43073.54531.16234.51265.0192
H83.23331.94071.02384.11384.11385.01925.0192

picture of Dicyanoketenimine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N3 173.542 C1 C4 N6 179.909
C1 C5 N7 179.909 C2 C1 C4 119.426
C2 C1 C5 119.426 C2 N3 H8 120.886
C4 C1 C5 121.149
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.097      
2 C 0.230      
3 N -0.133      
4 C 0.024      
5 C 0.024      
6 N -0.111      
7 N -0.111      
8 H 0.175      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.365 5.176 0.000 5.353
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -37.593 -4.553 0.000
y -4.553 -34.050 0.000
z 0.000 0.000 -51.167
Traceless
 xyz
x 5.015 -4.553 0.000
y -4.553 10.330 0.000
z 0.000 0.000 -15.346
Polar
3z2-r2-30.692
x2-y2-3.543
xy-4.553
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.787 -0.082 0.000
y -0.082 11.698 0.000
z 0.000 0.000 8.963


<r2> (average value of r2) Å2
<r2> 210.282
(<r2>)1/2 14.501