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

using model chemistry: PBEPBEultrafine/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 PBEPBEultrafine/cc-pVDZ
 hartrees
Energy at 0K-316.845434
Energy at 298.15K 
HF Energy-316.845434
Nuclear repulsion energy210.217596
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 PBEPBEultrafine/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' 3394 3375 65.76 592.07 0.31 0.48
2 A' 2262 2249 4.42 212.48 0.12 0.21
3 A' 2113 2100 419.41 7.21 0.30 0.46
4 A' 1300 1293 6.63 35.84 0.21 0.35
5 A' 861 856 382.36 9.85 0.69 0.82
6 A' 648 644 2.06 17.16 0.10 0.18
7 A' 583 580 6.33 4.00 0.69 0.82
8 A' 566 563 0.65 0.37 0.53 0.70
9 A' 415 412 22.33 1.24 0.32 0.48
10 A' 168 167 4.79 0.26 0.68 0.81
11 A' 129 128 6.48 8.81 0.73 0.84
12 A" 2250 2237 18.58 173.85 0.75 0.86
13 A" 1200 1193 1.26 5.18 0.75 0.86
14 A" 701 697 74.20 2.53 0.75 0.86
15 A" 602 598 2.49 0.28 0.75 0.86
16 A" 402 400 7.61 3.89 0.75 0.86
17 A" 373 371 0.17 0.33 0.75 0.86
18 A" 125 124 0.03 10.31 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 9045.6 cm-1
Scaled (by 0.9942) Zero Point Vibrational Energy (zpe) 8993.1 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 PBEPBEultrafine/cc-pVDZ
ABC
0.09237 0.09204 0.04628

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.011 -0.061 0.000
C2 -0.011 1.294 0.000
N3 0.153 2.500 0.000
C4 -0.011 -0.765 1.247
C5 -0.011 -0.765 -1.247
N6 -0.011 -1.347 2.271
N7 -0.011 -1.347 -2.271
H8 -0.657 3.142 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 C4 C5 N6 N7 H8
C11.35482.56681.43241.43242.60992.60993.2680
C21.35481.21782.40742.40743.48293.48291.9584
N32.56681.21783.49973.49974.47064.47061.0339
C41.43242.40743.49972.49471.17743.56634.1525
C51.43242.40743.49972.49473.56631.17744.1525
N62.60993.48294.47061.17743.56634.54245.0723
N72.60993.48294.47063.56631.17744.54245.0723
H83.26801.95841.03394.15254.15255.07235.0723

picture of Dicyanoketenimine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N3 172.255 C1 C4 N6 179.856
C1 C5 N7 179.856 C2 C1 C4 119.448
C2 C1 C5 119.448 C2 N3 H8 120.633
C4 C1 C5 121.103
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBEultrafine/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.036      
2 C 0.171      
3 N -0.094      
4 C -0.014      
5 C -0.014      
6 N -0.087      
7 N -0.087      
8 H 0.161      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.271 5.060 0.000 5.218
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -37.646 -4.306 0.000
y -4.306 -33.710 0.000
z 0.000 0.000 -50.561
Traceless
 xyz
x 4.490 -4.306 0.000
y -4.306 10.393 0.000
z 0.000 0.000 -14.883
Polar
3z2-r2-29.766
x2-y2-3.936
xy-4.306
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.861 -0.071 0.000
y -0.071 12.280 0.000
z 0.000 0.000 9.513


<r2> (average value of r2) Å2
<r2> 212.998
(<r2>)1/2 14.594