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All results from a given calculation for C6N4 (Tetracyanoethylene)

using model chemistry: BLYP/STO-3G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D2H 1AG
Energy calculated at BLYP/STO-3G
 hartrees
Energy at 0K-441.634334
Energy at 298.15K-441.631734
HF Energy-441.634334
Nuclear repulsion energy361.978233
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 BLYP/STO-3G
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 2170 2007 0.00      
2 Ag 1516 1403 0.00      
3 Ag 577 534 0.00      
4 Ag 507 469 0.00      
5 Ag 109 101 0.00      
6 Au 438 405 0.00      
7 Au 69 64 0.00      
8 B1g 347 321 0.00      
9 B1u 2197 2033 137.48      
10 B1u 934 864 0.06      
11 B1u 568 525 0.02      
12 B1u 140 129 5.77      
13 B2g 668 618 0.00      
14 B2g 240 222 0.00      
15 B2u 2166 2004 229.43      
16 B2u 1102 1020 10.04      
17 B2u 412 381 0.17      
18 B2u 92 85 2.04      
19 B3g 2158 1996 0.00      
20 B3g 1236 1144 0.00      
21 B3g 499 461 0.00      
22 B3g 245 227 0.00      
23 B3u 554 513 1.02      
24 B3u 139 129 13.59      

Unscaled Zero Point Vibrational Energy (zpe) 9541.1 cm-1
Scaled (by 0.9252) Zero Point Vibrational Energy (zpe) 8827.4 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 BLYP/STO-3G
ABC
0.04591 0.04568 0.02290

See section I.F.4 to change rotational constant units
Geometric Data calculated at BLYP/STO-3G

Point Group is D2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.696
C2 0.000 0.000 -0.696
C3 0.000 1.244 1.469
C4 0.000 -1.244 1.469
C5 0.000 1.244 -1.469
C6 0.000 -1.244 -1.469
N7 0.000 2.258 2.119
N8 0.000 -2.258 2.119
N9 0.000 2.258 -2.119
N10 0.000 -2.258 -2.119

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 N7 N8 N9 N10
C11.39211.46481.46482.49682.49682.66902.66903.60883.6088
C21.39212.49682.49681.46481.46483.60883.60882.66902.6690
C31.46482.49682.48902.93713.84981.20443.56253.72795.0138
C41.46482.49682.48903.84982.93713.56251.20445.01383.7279
C52.49681.46482.93713.84982.48903.72795.01381.20443.5625
C62.49681.46483.84982.93712.48905.01383.72793.56251.2044
N72.66903.60881.20443.56253.72795.01384.51634.23796.1932
N82.66903.60883.56251.20445.01383.72794.51636.19324.2379
N93.60882.66903.72795.01381.20443.56254.23796.19324.5163
N103.60882.66905.01383.72793.56251.20446.19324.23794.5163

picture of Tetracyanoethylene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C5 121.829 C1 C2 C6 121.829
C1 C3 N7 179.143 C1 C4 N8 179.143
C2 C1 C3 121.829 C2 C1 C4 121.829
C2 C5 N9 179.143 C2 C6 N10 179.143
C3 C1 C4 116.341 C5 C2 C6 116.341
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.035      
2 C 0.035      
3 C 0.090      
4 C 0.090      
5 C 0.090      
6 C 0.090      
7 N -0.107      
8 N -0.107      
9 N -0.107      
10 N -0.107      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.000 0.000 0.000 0.000
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -48.287 0.000 0.000
y 0.000 -66.255 0.000
z 0.000 0.000 -59.047
Traceless
 xyz
x 14.364 0.000 0.000
y 0.000 -12.588 0.000
z 0.000 0.000 -1.776
Polar
3z2-r2-3.552
x2-y217.968
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.929 0.000 0.000
y 0.000 11.721 0.000
z 0.000 0.000 12.217


<r2> (average value of r2) Å2
<r2> 404.179
(<r2>)1/2 20.104