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All results from a given calculation for C6N4 (Tetracyanoethylene)

using model chemistry: B97D3/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D2H 1AG
Energy calculated at B97D3/6-31G*
 hartrees
Energy at 0K-447.227532
Energy at 298.15K-447.225655
HF Energy-447.227532
Nuclear repulsion energy 
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 B97D3/6-31G*
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 Ag 2257 2213 0.00      
2 Ag 1520 1490 0.00      
3 Ag 597 585 0.00      
4 Ag 525 514 0.00      
5 Ag 114 111 0.00      
6 Au 456 447 0.00      
7 Au 69 68 0.00      
8 B1g 374 367 0.00      
9 B1u 2285 2240 8.91      
10 B1u 964 945 7.50      
11 B1u 581 569 1.29      
12 B1u 139 137 10.31      
13 B2g 702 688 0.00      
14 B2g 255 250 0.00      
15 B2u 2261 2217 36.36      
16 B2u 1149 1126 24.83      
17 B2u 423 415 0.05      
18 B2u 102 100 3.10      
19 B3g 2255 2211 0.00      
20 B3g 1276 1251 0.00      
21 B3g 508 498 0.00      
22 B3g 243 238 0.00      
23 B3u 581 569 3.96      
24 B3u 144 142 24.29      

Unscaled Zero Point Vibrational Energy (zpe) 9888.2 cm-1
Scaled (by 0.9804) Zero Point Vibrational Energy (zpe) 9694.4 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 B97D3/6-31G*
ABC
0.04868 0.04854 0.02430

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/6-31G*

Point Group is D2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.693
C2 0.000 0.000 -0.693
C3 0.000 1.221 1.434
C4 0.000 -1.221 1.434
C5 0.000 1.221 -1.434
C6 0.000 -1.221 -1.434
N7 0.000 2.215 2.057
N8 0.000 -2.215 2.057
N9 0.000 2.215 -2.057
N10 0.000 -2.215 -2.057

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 N7 N8 N9 N10
C11.38571.42821.42822.45242.45242.60142.60143.53113.5311
C21.38572.45242.45241.42821.42823.53113.53112.60142.6014
C31.42822.45242.44172.86813.76671.17323.49183.63014.8983
C41.42822.45242.44173.76672.86813.49181.17324.89833.6301
C52.45241.42822.86813.76672.44173.63014.89831.17323.4918
C62.45241.42823.76672.86812.44174.89833.63013.49181.1732
N72.60143.53111.17323.49183.63014.89834.42974.11466.0458
N82.60143.53113.49181.17324.89833.63014.42976.04584.1146
N93.53112.60143.63014.89831.17323.49184.11466.04584.4297
N103.53112.60144.89833.63013.49181.17326.04584.11464.4297

picture of Tetracyanoethylene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C5 121.799 C1 C2 C6 121.799
C1 C3 N7 179.049 C1 C4 N8 179.049
C2 C1 C3 121.799 C2 C1 C4 121.799
C2 C5 N9 179.049 C2 C6 N10 179.049
C3 C1 C4 116.401 C5 C2 C6 116.401
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.175      
2 C 0.175      
3 C 0.336      
4 C 0.336      
5 C 0.336      
6 C 0.336      
7 N -0.423      
8 N -0.423      
9 N -0.423      
10 N -0.423      


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


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -51.605 0.000 0.000
y 0.000 -71.794 0.000
z 0.000 0.000 -63.721
Traceless
 xyz
x 16.152 0.000 0.000
y 0.000 -14.131 0.000
z 0.000 0.000 -2.021
Polar
3z2-r2-4.042
x2-y220.189
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.701 0.000 0.000
y 0.000 16.443 0.000
z 0.000 0.000 16.914


<r2> (average value of r2) Å2
<r2> 385.710
(<r2>)1/2 19.639