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All results from a given calculation for C6N4 (Tetracyanoethylene)

using model chemistry: CCD/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 CCD/6-31G**
 hartrees
Energy at 0K-446.283959
Energy at 298.15K-446.282124
HF Energy-444.907533
Nuclear repulsion energy373.664664
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 CCD/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 2367 2220 0.00      
2 Ag 1681 1576 0.00      
3 Ag 606 568 0.00      
4 Ag 537 504 0.00      
5 Ag 117 109 0.00      
6 Au 442 415 0.00      
7 Au 78 73 0.00      
8 B1g 363 340 0.00      
9 B1u 2380 2231 14.14      
10 B1u 976 916 12.84      
11 B1u 585 548 0.76      
12 B1u 145 136 14.74      
13 B2g 622 583 0.00      
14 B2g 249 233 0.00      
15 B2u 2375 2227 41.83      
16 B2u 1183 1109 33.97      
17 B2u 433 406 0.00      
18 B2u 105 98 3.80      
19 B3g 2372 2224 0.00      
20 B3g 1328 1245 0.00      
21 B3g 516 483 0.00      
22 B3g 247 232 0.00      
23 B3u 569 533 2.10      
24 B3u 150 141 27.60      

Unscaled Zero Point Vibrational Energy (zpe) 10212.2 cm-1
Scaled (by 0.9376) Zero Point Vibrational Energy (zpe) 9575.0 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 CCD/6-31G**
ABC
0.04906 0.04830 0.02434

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

Point Group is D2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.679
C2 0.000 0.000 -0.679
C3 0.000 1.229 1.437
C4 0.000 -1.229 1.437
C5 0.000 1.229 -1.437
C6 0.000 -1.229 -1.437
N7 0.000 2.213 2.057
N8 0.000 -2.213 2.057
N9 0.000 2.213 -2.057
N10 0.000 -2.213 -2.057

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 N7 N8 N9 N10
C11.35721.44401.44402.44652.44652.60742.60743.51903.5190
C21.35722.44652.44651.44401.44403.51903.51902.60742.6074
C31.44402.44652.45772.87393.78151.16343.49723.63044.9048
C41.44402.44652.45773.78152.87393.49721.16344.90483.6304
C52.44651.44402.87393.78152.45773.63044.90481.16343.4972
C62.44651.44403.78152.87392.45774.90483.63043.49721.1634
N72.60743.51901.16343.49723.63044.90484.42584.11506.0433
N82.60743.51903.49721.16344.90483.63044.42586.04334.1150
N93.51902.60743.63044.90481.16343.49724.11506.04334.4258
N103.51902.60744.90483.63043.49721.16346.04334.11504.4258

picture of Tetracyanoethylene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C5 121.680 C1 C2 C6 121.680
C1 C3 N7 179.445 C1 C4 N8 179.445
C2 C1 C3 121.680 C2 C1 C4 121.680
C2 C5 N9 179.445 C2 C6 N10 179.445
C3 C1 C4 116.640 C5 C2 C6 116.640
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability