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All results from a given calculation for C6F6 (hexafluorobenzene)

using model chemistry: MP2/CEP-121G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D6H 1A1G
Energy calculated at MP2/CEP-121G*
 hartrees
Energy at 0K-177.845713
Energy at 298.15K 
HF Energy-176.047683
Nuclear repulsion energy380.163015
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/CEP-121G*
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A1g 1517 1445 0.00      
2 A1g 552 526 0.00      
3 A2g 775 739 0.00      
4 A2u 210 200 5.38      
5 B1u 1322 1260 0.00      
6 B1u 594 566 0.00      
7 B2g 261 249 0.00      
8 B2g 145i 138i 0.00      
9 B2u 1407 1341 0.00      
10 B2u 273 261 0.00      
11 E1g 363 346 0.00      
11 E1g 363 346 0.00      
12 E1u 1549 1475 377.11      
12 E1u 1549 1475 377.11      
13 E1u 1006 959 233.38      
13 E1u 1006 959 233.38      
14 E1u 311 296 1.79      
14 E1u 311 296 1.79      
15 E2g 1674 1595 0.00      
15 E2g 1674 1595 0.00      
16 E2g 1169 1114 0.00      
16 E2g 1169 1114 0.00      
17 E2g 439 418 0.00      
17 E2g 439 418 0.00      
18 E2g 262 250 0.00      
18 E2g 262 250 0.00      
19 E2u 597 569 0.00      
19 E2u 597 569 0.00      
20 E2u 132 126 0.00      
20 E2u 132 126 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 10884.3 cm-1
Scaled (by 0.9528) Zero Point Vibrational Energy (zpe) 10370.5 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/CEP-121G*
ABC
0.03358 0.03358 0.01679

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/CEP-121G*

Point Group is D6h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 1.404 0.000
C2 1.216 0.702 0.000
C3 1.216 -0.702 0.000
C4 0.000 -1.404 0.000
C5 -1.216 -0.702 0.000
C6 -1.216 0.702 0.000
F7 0.000 2.750 0.000
F8 2.382 1.375 0.000
F9 2.382 -1.375 0.000
F10 0.000 -2.750 0.000
F11 -2.382 -1.375 0.000
F12 -2.382 1.375 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 F7 F8 F9 F10 F11 F12
C11.40412.43202.80832.43201.40411.34602.38193.66014.15433.66012.3819
C21.40411.40412.43202.80832.43202.38191.34602.38193.66014.15433.6601
C32.43201.40411.40412.43202.80833.66012.38191.34602.38193.66014.1543
C42.80832.43201.40411.40412.43204.15433.66012.38191.34602.38193.6601
C52.43202.80832.43201.40411.40413.66014.15433.66012.38191.34602.3819
C61.40412.43202.80832.43201.40412.38193.66014.15433.66012.38191.3460
F71.34602.38193.66014.15433.66012.38192.75014.76345.50034.76342.7501
F82.38191.34602.38193.66014.15433.66012.75012.75014.76345.50034.7634
F93.66012.38191.34602.38193.66014.15434.76342.75012.75014.76345.5003
F104.15433.66012.38191.34602.38193.66015.50034.76342.75012.75014.7634
F113.66014.15433.66012.38191.34602.38194.76345.50034.76342.75012.7501
F122.38193.66014.15433.66012.38191.34602.75014.76345.50034.76342.7501

picture of hexafluorobenzene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 120.000 C1 C2 F8 120.000
C1 C6 C5 120.000 C1 C6 F12 120.000
C2 C1 C6 120.000 C2 C1 F7 120.000
C2 C3 C4 120.000 C2 C3 F9 120.000
C3 C2 F8 120.000 C3 C4 C5 120.000
C3 C4 F10 120.000 C4 C3 F9 120.000
C4 C5 C6 120.000 C4 C5 F11 120.000
C5 C4 F10 120.000 C5 C6 F12 120.000
C6 C1 F7 120.000 C6 C5 F11 120.000
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability