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All results from a given calculation for HN=C=C(CN)2 (Dicyanoketenimine)

using model chemistry: PBE1PBE/STO-3G

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/STO-3G
 hartrees
Energy at 0K-312.764179
Energy at 298.15K 
HF Energy-312.764179
Nuclear repulsion energy207.531840
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/STO-3G
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' 3552 3133 43.05 333.90 0.32 0.49
2 A' 2409 2125 2.66 121.08 0.11 0.20
3 A' 2218 1957 184.92 8.44 0.17 0.28
4 A' 1362 1201 0.69 32.73 0.22 0.36
5 A' 987 871 373.39 22.50 0.66 0.80
6 A' 671 592 0.33 7.92 0.09 0.17
7 A' 625 552 8.24 6.67 0.71 0.83
8 A' 599 529 0.04 0.05 0.48 0.65
9 A' 410 362 15.30 1.69 0.41 0.58
10 A' 178 157 5.82 0.36 0.68 0.81
11 A' 134 118 4.66 5.77 0.72 0.84
12 A" 2398 2115 11.59 107.03 0.75 0.86
13 A" 1238 1092 0.20 6.41 0.75 0.86
14 A" 780 688 72.31 5.89 0.75 0.86
15 A" 624 551 0.06 0.42 0.75 0.86
16 A" 400 353 6.63 2.70 0.75 0.86
17 A" 387 341 0.86 1.10 0.75 0.86
18 A" 130 115 0.01 7.79 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 9551.2 cm-1
Scaled (by 0.8821) Zero Point Vibrational Energy (zpe) 8425.1 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 PBE1PBE/STO-3G
ABC
0.09078 0.08932 0.04523

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/STO-3G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.021 -0.044 0.000
C2 -0.021 1.307 0.000
N3 0.205 2.536 0.000
C4 -0.021 -0.771 1.257
C5 -0.021 -0.771 -1.257
N6 -0.021 -1.374 2.290
N7 -0.021 -1.374 -2.290
H8 -0.657 3.165 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 C4 C5 N6 N7 H8
C11.35012.58911.45261.45262.64872.64873.2710
C21.35011.24972.42872.42873.52573.52571.9643
N32.58911.24973.54523.54524.53674.53671.0677
C41.45262.42873.54522.51421.19613.59824.1810
C51.45262.42873.54522.51423.59821.19614.1810
N62.64873.52574.53671.19613.59824.58075.1236
N72.64873.52574.53673.59821.19614.58075.1236
H83.27101.96431.06774.18104.18105.12365.1236

picture of Dicyanoketenimine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N3 169.593 C1 C4 N6 179.828
C1 C5 N7 179.828 C2 C1 C4 120.074
C2 C1 C5 120.074 C2 N3 H8 115.695
C4 C1 C5 119.853
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.051      
2 C 0.186      
3 N -0.232      
4 C 0.080      
5 C 0.080      
6 N -0.154      
7 N -0.154      
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
  -1.445 4.238 0.000 4.477
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -34.613 -4.647 0.000
y -4.647 -33.068 0.000
z 0.000 0.000 -46.718
Traceless
 xyz
x 5.280 -4.647 0.000
y -4.647 7.598 0.000
z 0.000 0.000 -12.878
Polar
3z2-r2-25.756
x2-y2-1.546
xy-4.647
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.462 -0.147 0.000
y -0.147 8.809 0.000
z 0.000 0.000 5.657


<r2> (average value of r2) Å2
<r2> 215.811
(<r2>)1/2 14.691