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All results from a given calculation for C6N4 (Tetracyanoethylene)

using model chemistry: BLYP/TZVP

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/TZVP
 hartrees
Energy at 0K-447.588693
Energy at 298.15K-447.586933
HF Energy-447.588693
Nuclear repulsion energy373.677314
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/TZVP
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 2232 2226 0.00      
2 Ag 1486 1482 0.00      
3 Ag 597 596 0.00      
4 Ag 520 519 0.00      
5 Ag 119 119 0.00      
6 Au 452 451 0.00      
7 Au 71 71 0.00      
8 B1g 369 368 0.00      
9 B1u 2259 2253 10.65      
10 B1u 956 953 10.41      
11 B1u 588 586 1.09      
12 B1u 148 147 9.85      
13 B2g 721 719 0.00      
14 B2g 259 258 0.00      
15 B2u 2233 2227 37.29      
16 B2u 1117 1114 27.13      
17 B2u 430 429 0.01      
18 B2u 106 106 3.29      
19 B3g 2227 2221 0.00      
20 B3g 1250 1247 0.00      
21 B3g 509 508 0.00      
22 B3g 253 252 0.00      
23 B3u 576 575 1.56      
24 B3u 149 148 25.01      

Unscaled Zero Point Vibrational Energy (zpe) 9811.9 cm-1
Scaled (by 0.9975) Zero Point Vibrational Energy (zpe) 9787.4 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/TZVP
ABC
0.04938 0.04784 0.02430

See section I.F.4 to change rotational constant units
Geometric Data calculated at BLYP/TZVP

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 1.218 1.448
C4 0.000 -1.218 1.448
C5 0.000 1.218 -1.448
C6 0.000 -1.218 -1.448
N7 0.000 2.187 2.086
N8 0.000 -2.187 2.086
N9 0.000 2.187 -2.086
N10 0.000 -2.187 -2.086

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 N7 N8 N9 N10
C11.37351.43601.43602.45742.45742.59662.59663.53163.5316
C21.37352.45742.45741.43601.43603.53163.53162.59662.5966
C31.43602.45742.43542.89553.78361.16083.46443.66434.9073
C41.43602.45742.43543.78362.89553.46441.16084.90733.6643
C52.45741.43602.89553.78362.43543.66434.90731.16083.4644
C62.45741.43603.78362.89552.43544.90733.66433.46441.1608
N72.59663.53161.16083.46443.66434.90734.37484.17176.0450
N82.59663.53163.46441.16084.90733.66434.37486.04504.1717
N93.53162.59663.66434.90731.16083.46444.17176.04504.3748
N103.53162.59664.90733.66433.46441.16086.04504.17174.3748

picture of Tetracyanoethylene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C5 122.004 C1 C2 C6 122.004
C1 C3 N7 178.658 C1 C4 N8 178.658
C2 C1 C3 122.004 C2 C1 C4 122.004
C2 C5 N9 178.658 C2 C6 N10 178.658
C3 C1 C4 115.992 C5 C2 C6 115.992
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.093      
2 C -0.093      
3 C 0.052      
4 C 0.052      
5 C 0.052      
6 C 0.052      
7 N -0.005      
8 N -0.005      
9 N -0.005      
10 N -0.005      


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 -53.063 0.000 0.000
y 0.000 -74.389 0.000
z 0.000 0.000 -66.552
Traceless
 xyz
x 17.407 0.000 0.000
y 0.000 -14.581 0.000
z 0.000 0.000 -2.826
Polar
3z2-r2-5.652
x2-y221.326
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.096 0.000 0.000
y 0.000 17.437 0.000
z 0.000 0.000 18.355


<r2> (average value of r2) Å2
<r2> 387.211
(<r2>)1/2 19.678