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All results from a given calculation for C6N4 (Tetracyanoethylene)

using model chemistry: MP2/6-31G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D2H 1AG
Energy calculated at MP2/6-31G**
 hartrees
Energy at 0K-446.299775
Energy at 298.15K-446.297799
HF Energy-444.889812
Nuclear repulsion energy372.499622
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 MP2/6-31G**
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 2154 2017 0.00      
2 Ag 1593 1492 0.00      
3 Ag 598 560 0.00      
4 Ag 525 492 0.00      
5 Ag 111 104 0.00      
6 Au 434 407 0.00      
7 Au 76 72 0.00      
8 B1g 359 336 0.00      
9 B1u 2176 2038 47.01      
10 B1u 964 903 9.28      
11 B1u 572 536 0.11      
12 B1u 142 133 14.05      
13 B2g 572 535 0.00      
14 B2g 242 226 0.00      
15 B2u 2170 2032 90.55      
16 B2u 1176 1101 22.93      
17 B2u 419 392 0.05      
18 B2u 100 93 3.27      
19 B3g 2166 2028 0.00      
20 B3g 1310 1227 0.00      
21 B3g 510 478 0.00      
22 B3g 243 227 0.00      
23 B3u 558 523 3.20      
24 B3u 147 137 25.67      

Unscaled Zero Point Vibrational Energy (zpe) 9658.0 cm-1
Scaled (by 0.9365) Zero Point Vibrational Energy (zpe) 9044.7 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 MP2/6-31G**
ABC
0.04945 0.04769 0.02428

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

Point Group is D2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.682
C2 0.000 0.000 -0.682
C3 0.000 1.223 1.433
C4 0.000 -1.223 1.433
C5 0.000 1.223 -1.433
C6 0.000 -1.223 -1.433
N7 0.000 2.218 2.061
N8 0.000 -2.218 2.061
N9 0.000 2.218 -2.061
N10 0.000 -2.218 -2.061

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 N7 N8 N9 N10
C11.36341.43531.43532.44312.44312.61152.61153.52683.5268
C21.36342.44312.44311.43531.43533.52683.52682.61152.6115
C31.43532.44312.44542.86693.76811.17623.49713.63294.9035
C41.43532.44312.44543.76812.86693.49711.17624.90353.6329
C52.44311.43532.86693.76812.44543.63294.90351.17623.4971
C62.44311.43533.76812.86692.44544.90353.63293.49711.1762
N72.61153.52681.17623.49713.63294.90354.43554.12126.0545
N82.61153.52683.49711.17624.90353.63294.43556.05454.1212
N93.52682.61153.63294.90351.17623.49714.12126.05454.4355
N103.52682.61154.90353.63293.49711.17626.05454.12124.4355

picture of Tetracyanoethylene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C5 121.584 C1 C2 C6 121.584
C1 C3 N7 179.362 C1 C4 N8 179.362
C2 C1 C3 121.584 C2 C1 C4 121.584
C2 C5 N9 179.362 C2 C6 N10 179.362
C3 C1 C4 116.832 C5 C2 C6 116.832
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability