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

using model chemistry: PBEPBEultrafine/TZVP

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/TZVP
 hartrees
Energy at 0K-316.927488
Energy at 298.15K 
HF Energy-316.927488
Nuclear repulsion energy211.612382
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/TZVP
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' 3436 3397 91.20 533.50 0.31 0.48
2 A' 2266 2240 3.93 264.36 0.11 0.20
3 A' 2118 2094 486.37 9.32 0.29 0.45
4 A' 1300 1285 3.88 43.07 0.18 0.31
5 A' 805 796 440.25 7.37 0.74 0.85
6 A' 646 639 2.91 18.10 0.08 0.15
7 A' 596 589 4.79 4.03 0.62 0.77
8 A' 576 569 0.78 0.19 0.58 0.73
9 A' 420 415 23.00 1.07 0.22 0.36
10 A' 169 167 6.24 0.15 0.65 0.79
11 A' 131 130 7.41 10.50 0.73 0.84
12 A" 2252 2226 24.06 203.78 0.75 0.86
13 A" 1191 1177 0.55 8.56 0.75 0.86
14 A" 709 701 88.38 1.12 0.75 0.86
15 A" 612 605 3.31 0.60 0.75 0.86
16 A" 402 398 8.52 4.85 0.75 0.86
17 A" 379 375 0.23 0.44 0.75 0.86
18 A" 127 126 0.04 11.42 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 9067.3 cm-1
Scaled (by 0.9886) Zero Point Vibrational Energy (zpe) 8964.0 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/TZVP
ABC
0.09367 0.09309 0.04685

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.011 -0.060 0.000
C2 -0.011 1.287 0.000
N3 0.150 2.482 0.000
C4 -0.011 -0.762 1.241
C5 -0.011 -0.762 -1.241
N6 -0.011 -1.340 2.255
N7 -0.011 -1.340 -2.255
H8 -0.614 3.165 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 C4 C5 N6 N7 H8
C11.34682.54701.42571.42572.59292.59293.2806
C21.34681.20592.39572.39573.46183.46181.9723
N32.54701.20593.47743.47744.44034.44031.0248
C41.42572.39573.47742.48101.16723.54294.1625
C51.42572.39573.47742.48103.54291.16724.1625
N62.59293.46184.44031.16723.54294.51015.0733
N72.59293.46184.44033.54291.16724.51015.0733
H83.28061.97231.02484.16254.16255.07335.0733

picture of Dicyanoketenimine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N3 172.318 C1 C4 N6 179.901
C1 C5 N7 179.901 C2 C1 C4 119.530
C2 C1 C5 119.530 C2 N3 H8 124.095
C4 C1 C5 120.940
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBEultrafine/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.252      
2 C 0.199      
3 N -0.123      
4 C -0.026      
5 C -0.026      
6 N -0.018      
7 N -0.018      
8 H 0.262      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.334 5.390 0.000 5.553
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -38.359 -4.604 0.000
y -4.604 -34.483 0.000
z 0.000 0.000 -52.732
Traceless
 xyz
x 5.248 -4.604 0.000
y -4.604 11.063 0.000
z 0.000 0.000 -16.311
Polar
3z2-r2-32.622
x2-y2-3.876
xy-4.604
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.684 0.079 0.000
y 0.079 13.179 0.000
z 0.000 0.000 10.442


<r2> (average value of r2) Å2
<r2> 211.542
(<r2>)1/2 14.544