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All results from a given calculation for C6N4 (Tetracyanoethylene)

using model chemistry: MP2=FULL/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 MP2=FULL/6-31G
 hartrees
Energy at 0K-445.742407
Energy at 298.15K-445.740284
HF Energy-444.669638
Nuclear repulsion energy368.339253
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 MP2=FULL/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 2057 1954 0.00      
2 Ag 1568 1490 0.00      
3 Ag 589 559 0.00      
4 Ag 528 502 0.00      
5 Ag 114 108 0.00      
6 Au 376 357 0.00      
7 Au 72 69 0.00      
8 B1g 307 291 0.00      
9 B1u 2072 1969 40.49      
10 B1u 946 899 15.47      
11 B1u 581 552 0.76      
12 B1u 145 138 13.04      
13 B2g 607 577 0.00      
14 B2g 217 207 0.00      
15 B2u 2076 1972 82.51      
16 B2u 1127 1071 17.36      
17 B2u 420 399 0.61      
18 B2u 102 97 2.77      
19 B3g 2068 1965 0.00      
20 B3g 1273 1210 0.00      
21 B3g 513 487 0.00      
22 B3g 243 231 0.00      
23 B3u 549 521 0.01      
24 B3u 139 132 23.05      

Unscaled Zero Point Vibrational Energy (zpe) 9343.4 cm-1
Scaled (by 0.9501) Zero Point Vibrational Energy (zpe) 8877.2 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 MP2=FULL/6-31G
ABC
0.04903 0.04619 0.02378

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/6-31G

Point Group is D2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.687
C2 0.000 0.000 -0.687
C3 0.000 1.231 1.445
C4 0.000 -1.231 1.445
C5 0.000 1.231 -1.445
C6 0.000 -1.231 -1.445
N7 0.000 2.241 2.072
N8 0.000 -2.241 2.072
N9 0.000 2.241 -2.072
N10 0.000 -2.241 -2.072

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 N7 N8 N9 N10
C11.37331.44641.44642.46212.46212.63482.63483.55443.5544
C21.37332.46212.46211.44641.44643.55443.55442.63482.6348
C31.44642.46212.46292.89073.79761.18853.52873.65954.9428
C41.44642.46212.46293.79762.89073.52871.18854.94283.6595
C52.46211.44642.89073.79762.46293.65954.94281.18853.5287
C62.46211.44643.79762.89072.46294.94283.65953.52871.1885
N72.63483.55441.18853.52873.65954.94284.48234.14426.1046
N82.63483.55443.52871.18854.94283.65954.48236.10464.1442
N93.55442.63483.65954.94281.18853.52874.14426.10464.4823
N103.55442.63484.94283.65953.52871.18856.10464.14424.4823

picture of Tetracyanoethylene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C5 121.637 C1 C2 C6 121.637
C1 C3 N7 179.807 C1 C4 N8 179.807
C2 C1 C3 121.637 C2 C1 C4 121.637
C2 C5 N9 179.807 C2 C6 N10 179.807
C3 C1 C4 116.725 C5 C2 C6 116.725
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability