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

using model chemistry: B2PLYP/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 B2PLYP/STO-3G
 hartrees
Energy at 0K-312.660541
Energy at 298.15K 
HF Energy-312.469863
Nuclear repulsion energy205.803547
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/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' 3537 3537 24.76 327.08 0.33 0.49
2 A' 2260 2260 2.63 99.24 0.11 0.20
3 A' 2153 2153 150.14 9.56 0.20 0.33
4 A' 1322 1322 1.44 34.21 0.25 0.40
5 A' 1000 1000 375.04 28.09 0.63 0.77
6 A' 649 649 0.66 7.35 0.08 0.15
7 A' 594 594 7.07 7.37 0.70 0.82
8 A' 583 583 0.20 0.04 0.69 0.82
9 A' 400 400 15.60 2.08 0.39 0.57
10 A' 172 172 5.57 0.48 0.70 0.83
11 A' 132 132 4.64 5.37 0.72 0.84
12 A" 2256 2256 20.28 82.84 0.75 0.86
13 A" 1199 1199 0.23 4.65 0.75 0.86
14 A" 784 784 67.51 6.29 0.75 0.86
15 A" 613 613 0.07 0.27 0.75 0.86
16 A" 384 384 4.89 2.30 0.75 0.86
17 A" 371 371 1.10 1.43 0.75 0.86
18 A" 129 129 0.03 7.70 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 9268.3 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 9268.3 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/STO-3G
ABC
0.08913 0.08802 0.04449

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/STO-3G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.024 -0.039 0.000
C2 -0.024 1.316 0.000
N3 0.222 2.552 0.000
C4 -0.024 -0.776 1.267
C5 -0.024 -0.776 -1.267
N6 -0.024 -1.386 2.312
N7 -0.024 -1.386 -2.312
H8 -0.640 3.187 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 C4 C5 N6 N7 H8
C11.35412.60251.46621.46622.67592.67593.2836
C21.35411.26092.44562.44563.55563.55561.9699
N32.60251.26093.57003.57004.57324.57321.0699
C41.46622.44563.57002.53431.20973.63074.2060
C51.46622.44563.57002.53433.63071.20974.2060
N62.67593.55564.57321.20973.63074.62415.1607
N72.67593.55564.57323.63071.20974.62415.1607
H83.28361.96991.06994.20604.20605.16075.1607

picture of Dicyanoketenimine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N3 168.759 C1 C4 N6 179.947
C1 C5 N7 179.947 C2 C1 C4 120.205
C2 C1 C5 120.205 C2 N3 H8 115.135
C4 C1 C5 119.590
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.040      
2 C 0.178      
3 N -0.221      
4 C 0.075      
5 C 0.075      
6 N -0.150      
7 N -0.150      
8 H 0.234      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.403 4.156 0.000 4.386
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -34.679 -4.545 0.001
y -4.545 -33.284 0.035
z 0.001 0.035 -46.843
Traceless
 xyz
x 5.385 -4.545 0.001
y -4.545 7.477 0.035
z 0.001 0.035 -12.862
Polar
3z2-r2-25.724
x2-y2-1.395
xy-4.545
xz0.001
yz0.035


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.497 -0.099 -0.000
y -0.099 8.837 -0.001
z -0.000 -0.001 5.439


<r2> (average value of r2) Å2
<r2> 219.045
(<r2>)1/2 14.800