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All results from a given calculation for C6N4 (Tetracyanoethylene)

using model chemistry: CID/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 CID/6-31G
 hartrees
Energy at 0K-445.452685
Energy at 298.15K-445.451239
HF Energy-444.703352
Nuclear repulsion energy374.790297
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 CID/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 2447 2288 0.00      
2 Ag 1739 1627 0.00      
3 Ag 641 600 0.00      
4 Ag 571 534 0.00      
5 Ag 129 121 0.00      
6 Au 456 426 0.00      
7 Au 80 75 0.00      
8 B1g 369 345 0.00      
9 B1u 2454 2295 0.02      
10 B1u 1020 954 20.04      
11 B1u 631 590 0.48      
12 B1u 161 151 13.70      
13 B2g 772 722 0.00      
14 B2g 257 241 0.00      
15 B2u 2452 2293 15.44      
16 B2u 1209 1131 50.82      
17 B2u 473 443 0.27      
18 B2u 114 107 3.60      
19 B3g 2447 2288 0.00      
20 B3g 1368 1279 0.00      
21 B3g 553 517 0.00      
22 B3g 272 254 0.00      
23 B3u 621 581 0.21      
24 B3u 159 149 27.15      

Unscaled Zero Point Vibrational Energy (zpe) 10697.1 cm-1
Scaled (by 0.9352) Zero Point Vibrational Energy (zpe) 10003.9 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 CID/6-31G
ABC
0.04968 0.04833 0.02450

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

Point Group is D2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.677
C2 0.000 0.000 -0.677
C3 0.000 1.225 1.435
C4 0.000 -1.225 1.435
C5 0.000 1.225 -1.435
C6 0.000 -1.225 -1.435
N7 0.000 2.217 2.037
N8 0.000 -2.217 2.037
N9 0.000 2.217 -2.037
N10 0.000 -2.217 -2.037

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 N7 N8 N9 N10
C11.35461.43991.43992.44132.44132.60072.60073.50463.5046
C21.35462.44132.44131.43991.43993.50463.50462.60072.6007
C31.43992.44132.44932.86923.77241.16093.49393.61074.8884
C41.43992.44132.44933.77242.86923.49391.16094.88843.6107
C52.44131.43992.86923.77242.44933.61074.88841.16093.4939
C62.44131.43993.77242.86922.44934.88843.61073.49391.1609
N72.60073.50461.16093.49393.61074.88844.43394.07416.0214
N82.60073.50463.49391.16094.88843.61074.43396.02144.0741
N93.50462.60073.61074.88841.16093.49394.07416.02144.4339
N103.50462.60074.88843.61073.49391.16096.02144.07414.4339

picture of Tetracyanoethylene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C5 121.733 C1 C2 C6 121.733
C1 C3 N7 179.531 C1 C4 N8 179.531
C2 C1 C3 121.733 C2 C1 C4 121.733
C2 C5 N9 179.531 C2 C6 N10 179.531
C3 C1 C4 116.535 C5 C2 C6 116.535
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability