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

using model chemistry: B2PLYP/6-311+G(3df,2p)

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/6-311+G(3df,2p)
 hartrees
Energy at 0K-317.060028
Energy at 298.15K 
HF Energy-316.667174
Nuclear repulsion energy212.536458
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/6-311+G(3df,2p)
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' 3555 3555 146.47 384.07 0.29 0.45
2 A' 2275 2275 6.19 271.40 0.09 0.16
3 A' 2140 2140 558.59 9.21 0.24 0.39
4 A' 1328 1328 2.02 49.87 0.19 0.32
5 A' 834 834 476.51 10.09 0.40 0.58
6 A' 653 653 2.10 19.34 0.06 0.11
7 A' 597 597 11.89 3.81 0.58 0.74
8 A' 584 584 0.56 0.65 0.56 0.72
9 A' 446 446 30.27 1.56 0.26 0.41
10 A' 173 173 7.15 0.29 0.68 0.81
11 A' 135 135 9.54 7.61 0.72 0.84
12 A" 2269 2269 18.66 185.60 0.75 0.86
13 A" 1218 1218 0.98 10.93 0.75 0.86
14 A" 739 739 79.03 0.71 0.75 0.86
15 A" 629 629 3.94 0.59 0.75 0.86
16 A" 409 409 6.59 2.62 0.75 0.86
17 A" 385 385 0.50 0.15 0.75 0.86
18 A" 133 133 0.01 8.91 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 9250.3 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 9250.3 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/6-311+G(3df,2p)
ABC
0.09423 0.09401 0.04722

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/6-311+G(3df,2p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.008 -0.059 0.000
C2 -0.008 1.279 0.000
N3 0.135 2.470 0.000
C4 -0.008 -0.760 1.240
C5 -0.008 -0.760 -1.240
N6 -0.008 -1.330 2.250
N7 -0.008 -1.330 -2.250
H8 -0.633 3.132 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 C4 C5 N6 N7 H8
C11.33732.53251.42461.42462.58432.58433.2518
C21.33731.19972.38632.38633.44473.44471.9565
N32.53251.19973.46283.46284.41804.41801.0150
C41.42462.38633.46282.47971.15973.53624.1330
C51.42462.38633.46282.47973.53621.15974.1330
N62.58433.44474.41801.15973.53624.50055.0363
N72.58433.44474.41803.53621.15974.50055.0363
H83.25181.95651.01504.13304.13305.03635.0363

picture of Dicyanoketenimine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N3 173.125 C1 C4 N6 179.891
C1 C5 N7 179.891 C2 C1 C4 119.506
C2 C1 C5 119.506 C2 N3 H8 123.894
C4 C1 C5 120.989
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/6-311+G(3df,2p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.951      
2 C 0.605      
3 N -0.957      
4 C 0.579      
5 C 0.579      
6 N -1.002      
7 N -1.002      
8 H 0.248      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.257 5.393 0.000 5.537
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -38.472 -4.421 0.000
y -4.421 -35.041 0.045
z 0.000 0.045 -53.637
Traceless
 xyz
x 5.867 -4.421 0.000
y -4.421 11.014 0.045
z 0.000 0.045 -16.881
Polar
3z2-r2-33.762
x2-y2-3.431
xy-4.421
xz0.000
yz0.045


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.717 0.071 -0.000
y 0.071 13.402 -0.005
z -0.000 -0.005 10.511


<r2> (average value of r2) Å2
<r2> 210.366
(<r2>)1/2 14.504