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

using model chemistry: B2PLYP=FULLultrafine/6-311G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B2PLYP=FULLultrafine/6-311G**
 hartrees
Energy at 0K-317.020915
Energy at 298.15K 
HF Energy-316.636523
Nuclear repulsion energy212.106534
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 B2PLYP=FULLultrafine/6-311G**
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' 3551 3551 122.98 423.67 0.31 0.48
2 A' 2281 2281 6.14 198.77 0.11 0.20
3 A' 2148 2148 504.34 8.02 0.25 0.40
4 A' 1331 1331 3.24 46.82 0.22 0.36
5 A' 845 845 476.57 9.58 0.72 0.84
6 A' 654 654 2.19 14.23 0.10 0.18
7 A' 609 609 13.42 6.42 0.67 0.80
8 A' 588 588 0.60 0.14 0.45 0.62
9 A' 444 444 32.86 1.52 0.37 0.54
10 A' 173 173 5.99 0.33 0.72 0.84
11 A' 136 136 8.16 8.65 0.73 0.84
12 A" 2277 2277 12.10 162.01 0.75 0.86
13 A" 1224 1224 1.23 7.77 0.75 0.86
14 A" 740 740 88.72 1.12 0.75 0.86
15 A" 632 632 3.24 0.82 0.75 0.86
16 A" 418 418 7.67 5.55 0.75 0.86
17 A" 391 391 0.37 0.25 0.75 0.86
18 A" 134 134 0.00 10.28 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 9287.1 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 9287.1 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 B2PLYP=FULLultrafine/6-311G**
ABC
0.09383 0.09368 0.04704

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULLultrafine/6-311G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.008 -0.058 0.000
C2 -0.008 1.281 0.000
N3 0.134 2.476 0.000
C4 -0.008 -0.761 1.241
C5 -0.008 -0.761 -1.241
N6 -0.008 -1.333 2.254
N7 -0.008 -1.333 -2.254
H8 -0.651 3.122 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 C4 C5 N6 N7 H8
C11.33972.53881.42671.42672.58952.58953.2448
C21.33971.20352.39032.39033.45173.45171.9499
N32.53881.20353.47053.47054.42844.42841.0169
C41.42672.39033.47052.48291.16293.54224.1274
C51.42672.39033.47052.48293.54221.16294.1274
N62.58953.45174.42841.16293.54224.50885.0338
N72.58953.45174.42843.54221.16294.50885.0338
H83.24481.94991.01694.12744.12745.03385.0338

picture of Dicyanoketenimine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N3 173.219 C1 C4 N6 179.899
C1 C5 N7 179.899 C2 C1 C4 119.520
C2 C1 C5 119.520 C2 N3 H8 122.623
C4 C1 C5 120.959
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP=FULLultrafine/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.006      
2 C 0.311      
3 N -0.342      
4 C 0.092      
5 C 0.092      
6 N -0.207      
7 N -0.207      
8 H 0.255      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.379 5.314 0.000 5.490
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -38.105 -4.656 0.000
y -4.656 -34.633 0.047
z 0.000 0.047 -52.498
Traceless
 xyz
x 5.461 -4.656 0.000
y -4.656 10.668 0.047
z 0.000 0.047 -16.130
Polar
3z2-r2-32.259
x2-y2-3.472
xy-4.656
xz0.000
yz0.047


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.953 0.001 -0.000
y 0.001 12.004 -0.004
z -0.000 -0.004 9.033


<r2> (average value of r2) Å2
<r2> 210.633
(<r2>)1/2 14.513