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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-446.344408
Energy at 298.15K-446.342553
HF Energy-444.891147
Nuclear repulsion energy372.977236
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 2162 2020 0.00      
2 Ag 1597 1492 0.00      
3 Ag 600 561 0.00      
4 Ag 527 493 0.00      
5 Ag 112 105 0.00      
6 Au 452 423 0.00      
7 Au 78 73 0.00      
8 B1g 373 349 0.00      
9 B1u 2185 2041 46.52      
10 B1u 968 904 9.15      
11 B1u 577 539 0.14      
12 B1u 144 134 14.02      
13 B2g 622 582 0.00      
14 B2g 250 234 0.00      
15 B2u 2178 2036 89.27      
16 B2u 1179 1102 22.87      
17 B2u 423 395 0.04      
18 B2u 101 94 3.30      
19 B3g 2174 2031 0.00      
20 B3g 1314 1228 0.00      
21 B3g 514 480 0.00      
22 B3g 247 231 0.00      
23 B3u 578 540 3.40      
24 B3u 150 140 25.63      

Unscaled Zero Point Vibrational Energy (zpe) 9752.6 cm-1
Scaled (by 0.9344) Zero Point Vibrational Energy (zpe) 9112.8 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
0.04955 0.04784 0.02434

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 0.681
C2 0.000 0.000 -0.681
C3 0.000 1.221 1.431
C4 0.000 -1.221 1.431
C5 0.000 1.221 -1.431
C6 0.000 -1.221 -1.431
N7 0.000 2.215 2.058
N8 0.000 -2.215 2.058
N9 0.000 2.215 -2.058
N10 0.000 -2.215 -2.058

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 N7 N8 N9 N10
C11.36151.43321.43322.43952.43952.60852.60853.52253.5225
C21.36152.43952.43951.43321.43323.52253.52252.60852.6085
C31.43322.43952.44232.86223.76261.17533.49313.62804.8972
C41.43322.43952.44233.76262.86223.49311.17534.89723.6280
C52.43951.43322.86223.76262.44233.62804.89721.17533.4931
C62.43951.43323.76262.86222.44234.89723.62803.49311.1753
N72.60853.52251.17533.49313.62804.89724.43054.11606.0474
N82.60853.52253.49311.17534.89723.62804.43056.04744.1160
N93.52252.60853.62804.89721.17533.49314.11606.04744.4305
N103.52252.60854.89723.62803.49311.17536.04744.11604.4305

picture of Tetracyanoethylene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C5 121.569 C1 C2 C6 121.569
C1 C3 N7 179.333 C1 C4 N8 179.333
C2 C1 C3 121.569 C2 C1 C4 121.569
C2 C5 N9 179.333 C2 C6 N10 179.333
C3 C1 C4 116.862 C5 C2 C6 116.862
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability