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

using model chemistry: TPSSh/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 TPSSh/STO-3G
 hartrees
Energy at 0K-313.185005
Energy at 298.15K 
HF Energy-313.185005
Nuclear repulsion energy206.272285
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 TPSSh/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' 3444 3444 18.14 368.53 0.33 0.49
2 A' 2331 2331 4.95 123.95 0.11 0.20
3 A' 2145 2145 150.84 7.61 0.17 0.29
4 A' 1317 1317 0.50 30.89 0.22 0.36
5 A' 1008 1008 345.27 24.29 0.65 0.79
6 A' 653 653 0.23 9.14 0.09 0.17
7 A' 592 592 5.48 5.98 0.70 0.82
8 A' 583 583 0.24 0.17 0.65 0.79
9 A' 390 390 11.87 1.77 0.35 0.52
10 A' 173 173 5.15 0.35 0.66 0.80
11 A' 130 130 4.17 6.05 0.73 0.84
12 A" 2316 2316 13.92 110.76 0.75 0.86
13 A" 1193 1193 0.40 5.48 0.75 0.86
14 A" 764 764 67.27 7.14 0.75 0.86
15 A" 605 605 0.06 0.16 0.75 0.86
16 A" 385 385 5.79 2.36 0.75 0.86
17 A" 369 369 1.18 1.40 0.75 0.86
18 A" 126 126 0.01 8.08 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 9260.9 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 9260.9 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 TPSSh/STO-3G
ABC
0.08995 0.08810 0.04472

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.027 -0.042 0.000
C2 -0.027 1.317 0.000
N3 0.235 2.549 0.000
C4 -0.027 -0.774 1.263
C5 -0.027 -0.774 -1.263
N6 -0.027 -1.386 2.301
N7 -0.027 -1.386 -2.301
H8 -0.629 3.191 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 C4 C5 N6 N7 H8
C11.35832.60421.45961.45962.66442.66443.2884
C21.35831.26022.44232.44233.54903.54901.9689
N32.60421.26023.56473.56474.56574.56571.0761
C41.45962.44233.56472.52511.20493.61534.2046
C51.45962.44233.56472.52513.61531.20494.2046
N62.66443.54904.56571.20493.61534.60135.1577
N72.66443.54904.56573.61531.20494.60135.1577
H83.28841.96891.07614.20464.20465.15775.1577

picture of Dicyanoketenimine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N3 168.023 C1 C4 N6 179.612
C1 C5 N7 179.612 C2 C1 C4 120.117
C2 C1 C5 120.117 C2 N3 H8 114.633
C4 C1 C5 119.766
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at TPSSh/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.041      
2 C 0.174      
3 N -0.219      
4 C 0.075      
5 C 0.075      
6 N -0.150      
7 N -0.150      
8 H 0.236      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.379 4.150 0.000 4.374
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.507 -0.123 0.000
y -0.123 9.095 0.000
z 0.000 0.000 5.925


<r2> (average value of r2) Å2
<r2> 217.979
(<r2>)1/2 14.764