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

using model chemistry: B3LYP/6-31G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B3LYP/6-31G**
 hartrees
Energy at 0K-317.186081
Energy at 298.15K 
HF Energy-317.186081
Nuclear repulsion energy211.703583
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 B3LYP/6-31G**
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' 3532 3393 94.06 467.97 0.31 0.48
2 A' 2359 2266 7.72 198.74 0.13 0.22
3 A' 2165 2080 529.79 9.53 0.30 0.46
4 A' 1341 1289 4.34 43.88 0.21 0.35
5 A' 860 826 457.11 10.89 0.74 0.85
6 A' 658 632 2.39 13.22 0.11 0.19
7 A' 625 601 13.16 6.45 0.71 0.83
8 A' 587 564 0.25 0.12 0.33 0.50
9 A' 434 417 28.88 1.30 0.43 0.60
10 A' 176 169 7.78 0.23 0.69 0.82
11 A' 135 129 8.51 9.51 0.73 0.84
12 A" 2347 2255 24.00 175.22 0.75 0.86
13 A" 1226 1178 1.70 7.72 0.75 0.86
14 A" 736 707 91.08 1.78 0.75 0.86
15 A" 626 601 2.52 1.19 0.75 0.86
16 A" 421 405 8.52 6.64 0.75 0.86
17 A" 386 370 0.42 0.22 0.75 0.86
18 A" 131 126 0.02 10.90 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 9371.0 cm-1
Scaled (by 0.9608) Zero Point Vibrational Energy (zpe) 9003.6 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 B3LYP/6-31G**
ABC
0.09341 0.09334 0.04685

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/6-31G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.006 -0.059 0.000
C2 -0.006 1.285 0.000
N3 0.130 2.483 0.000
C4 -0.006 -0.764 1.245
C5 -0.006 -0.764 -1.245
N6 -0.006 -1.335 2.258
N7 -0.006 -1.335 -2.258
H8 -0.664 3.123 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 C4 C5 N6 N7 H8
C11.34402.54581.43011.43012.59332.59333.2498
C21.34401.20592.39682.39683.45843.45841.9527
N32.54581.20593.47963.47964.43754.43751.0197
C41.43012.39683.47962.48931.16323.54894.1340
C51.43012.39683.47962.48933.54891.16324.1340
N62.59333.45844.43751.16323.54894.51595.0405
N72.59333.45844.43753.54891.16324.51595.0405
H83.24981.95271.01974.13404.13405.04055.0405

picture of Dicyanoketenimine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N3 173.515 C1 C4 N6 179.903
C1 C5 N7 179.903 C2 C1 C4 119.506
C2 C1 C5 119.506 C2 N3 H8 122.430
C4 C1 C5 120.988
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.023      
2 C 0.475      
3 N -0.573      
4 C 0.334      
5 C 0.334      
6 N -0.454      
7 N -0.454      
8 H 0.315      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.420 5.185 0.000 5.376
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -37.249 -4.722 0.000
y -4.722 -34.345 0.000
z 0.000 0.000 -51.701
Traceless
 xyz
x 5.774 -4.722 0.000
y -4.722 10.130 0.000
z 0.000 0.000 -15.903
Polar
3z2-r2-31.807
x2-y2-2.904
xy-4.722
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.560 -0.071 0.000
y -0.071 11.834 0.000
z 0.000 0.000 8.970


<r2> (average value of r2) Å2
<r2> 210.971
(<r2>)1/2 14.525