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All results from a given calculation for C6N4 (Tetracyanoethylene)

using model chemistry: MP3/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D2H 1AG
Energy calculated at MP3/6-31G*
 hartrees
Energy at 0K-446.269809
Energy at 298.15K-446.267950
HF Energy-444.911149
Nuclear repulsion energy374.471377
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 MP3/6-31G*
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 2452 2301 0.00      
2 Ag 1681 1578 0.00      
3 Ag 612 574 0.00      
4 Ag 542 509 0.00      
5 Ag 118 110 0.00      
6 Au 440 413 0.00      
7 Au 77 73 0.00      
8 B1g 361 339 0.00      
9 B1u 2461 2310 7.31      
10 B1u 985 925 13.81      
11 B1u 588 552 1.20      
12 B1u 145 136 14.64      
13 B2g 605 568 0.00      
14 B2g 248 233 0.00      
15 B2u 2454 2303 28.65      
16 B2u 1194 1121 38.22      
17 B2u 435 409 0.00      
18 B2u 105 99 3.94      
19 B3g 2449 2299 0.00      
20 B3g 1338 1256 0.00      
21 B3g 518 486 0.00      
22 B3g 245 230 0.00      
23 B3u 566 531 2.06      
24 B3u 151 142 28.32      

Unscaled Zero Point Vibrational Energy (zpe) 10385.3 cm-1
Scaled (by 0.9386) Zero Point Vibrational Energy (zpe) 9747.6 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 MP3/6-31G*
ABC
0.04914 0.04857 0.02443

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3/6-31G*

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 1.228 1.437
C4 0.000 -1.228 1.437
C5 0.000 1.228 -1.437
C6 0.000 -1.228 -1.437
N7 0.000 2.208 2.055
N8 0.000 -2.208 2.055
N9 0.000 2.208 -2.055
N10 0.000 -2.208 -2.055

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 N7 N8 N9 N10
C11.35771.44291.44292.44612.44612.60182.60183.51433.5143
C21.35772.44612.44611.44291.44293.51433.51432.60182.6018
C31.44292.44612.45582.87343.77991.15893.49103.62704.8989
C41.44292.44612.45583.77992.87343.49101.15894.89893.6270
C52.44611.44292.87343.77992.45583.62704.89891.15893.4910
C62.44611.44293.77992.87342.45584.89893.62703.49101.1589
N72.60183.51431.15893.49103.62704.89894.41564.11086.0330
N82.60183.51433.49101.15894.89893.62704.41566.03304.1108
N93.51432.60183.62704.89891.15893.49104.11086.03304.4156
N103.51432.60184.89893.62703.49101.15896.03304.11084.4156

picture of Tetracyanoethylene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C5 121.682 C1 C2 C6 121.682
C1 C3 N7 179.413 C1 C4 N8 179.413
C2 C1 C3 121.682 C2 C1 C4 121.682
C2 C5 N9 179.413 C2 C6 N10 179.413
C3 C1 C4 116.636 C5 C2 C6 116.636
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability