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All results from a given calculation for C6N4 (Tetracyanoethylene)

using model chemistry: wB97X-D/TZVP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D2H 1AG
Energy calculated at wB97X-D/TZVP
 hartrees
Energy at 0K-447.486234
Energy at 298.15K-447.484734
HF Energy-447.486234
Nuclear repulsion energy377.497885
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 wB97X-D/TZVP
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 2399 2292 0.00      
2 Ag 1651 1577 0.00      
3 Ag 618 590 0.00      
4 Ag 549 525 0.00      
5 Ag 124 119 0.00      
6 Au 478 457 0.00      
7 Au 80 77 0.00      
8 B1g 388 370 0.00      
9 B1u 2419 2310 3.32      
10 B1u 987 943 10.93      
11 B1u 609 582 2.27      
12 B1u 154 147 11.89      
13 B2g 759 725 0.00      
14 B2g 268 256 0.00      
15 B2u 2404 2296 28.23      
16 B2u 1173 1120 38.74      
17 B2u 456 436 0.00      
18 B2u 111 106 3.60      
19 B3g 2403 2295 0.00      
20 B3g 1316 1257 0.00      
21 B3g 531 507 0.00      
22 B3g 262 250 0.00      
23 B3u 605 577 1.21      
24 B3u 156 149 27.62      

Unscaled Zero Point Vibrational Energy (zpe) 10449.8 cm-1
Scaled (by 0.955) Zero Point Vibrational Energy (zpe) 9979.6 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 wB97X-D/TZVP
ABC
0.04969 0.04954 0.02481

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/TZVP

Point Group is D2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.674
C2 0.000 0.000 -0.674
C3 0.000 1.216 1.427
C4 0.000 -1.216 1.427
C5 0.000 1.216 -1.427
C6 0.000 -1.216 -1.427
N7 0.000 2.186 2.040
N8 0.000 -2.186 2.040
N9 0.000 2.186 -2.040
N10 0.000 -2.186 -2.040

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 N7 N8 N9 N10
C11.34891.43051.43052.42842.42842.57762.57763.48543.4854
C21.34892.42842.42841.43051.43053.48543.48542.57762.5776
C31.43052.42842.43262.85493.75071.14713.45713.60074.8580
C41.43052.42842.43263.75072.85493.45711.14714.85803.6007
C52.42841.43052.85493.75072.43263.60074.85801.14713.4571
C62.42841.43053.75072.85492.43264.85803.60073.45711.1471
N72.57763.48541.14713.45713.60074.85804.37214.08045.9804
N82.57763.48543.45711.14714.85803.60074.37215.98044.0804
N93.48542.57763.60074.85801.14713.45714.08045.98044.3721
N103.48542.57764.85803.60073.45711.14715.98044.08044.3721

picture of Tetracyanoethylene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C5 121.761 C1 C2 C6 121.761
C1 C3 N7 179.472 C1 C4 N8 179.472
C2 C1 C3 121.761 C2 C1 C4 121.761
C2 C5 N9 179.472 C2 C6 N10 179.472
C3 C1 C4 116.479 C5 C2 C6 116.479
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.051      
2 C 0.051      
3 C -0.004      
4 C -0.004      
5 C -0.004      
6 C -0.004      
7 N -0.022      
8 N -0.022      
9 N -0.022      
10 N -0.022      


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 -52.494 0.000 0.000
y 0.000 -74.192 0.000
z 0.000 0.000 -65.656
Traceless
 xyz
x 17.430 0.000 0.000
y 0.000 -15.117 0.000
z 0.000 0.000 -2.313
Polar
3z2-r2-4.625
x2-y221.698
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.883 0.000 0.000
y 0.000 15.610 0.000
z 0.000 0.000 16.470


<r2> (average value of r2) Å2
<r2> 379.740
(<r2>)1/2 19.487