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All results from a given calculation for C6H4F2 (1,4-difluorobenzene)

using model chemistry: TPSSh/aug-cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D2H 1Ag
Energy calculated at TPSSh/aug-cc-pVTZ
 hartrees
Energy at 0K-430.893605
Energy at 298.15K 
HF Energy-430.893605
Nuclear repulsion energy341.467801
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 TPSSh/aug-cc-pVTZ
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 3206 3094 0.00 308.31 0.13 0.23
2 Ag 1640 1583 0.00 5.35 0.75 0.86
3 Ag 1262 1218 0.00 30.67 0.06 0.12
4 Ag 1158 1118 0.00 8.40 0.56 0.71
5 Ag 860 830 0.00 41.09 0.05 0.09
6 Ag 449 434 0.00 5.65 0.30 0.46
7 Au 962 928 0.00 0.00 0.00 0.00
8 Au 432 417 0.00 0.00 0.00 0.00
9 B1g 814 785 0.00 0.34 0.75 0.86
10 B1u 3191 3080 5.71 0.00 0.00 0.00
11 B1u 1535 1482 233.64 0.00 0.00 0.00
12 B1u 1218 1176 216.88 0.00 0.00 0.00
13 B1u 1025 990 1.67 0.00 0.00 0.00
14 B1u 743 717 67.16 0.00 0.00 0.00
15 B2g 946 914 0.00 0.00 0.75 0.86
16 B2g 705 680 0.00 0.92 0.75 0.86
17 B2g 372 359 0.00 3.05 0.75 0.86
18 B2u 3205 3093 0.95 0.00 0.00 0.00
19 B2u 1441 1390 0.45 0.00 0.00 0.00
20 B2u 1346 1299 0.00 0.00 0.00 0.00
21 B2u 1102 1064 10.44 0.00 0.00 0.00
22 B2u 343 331 4.23 0.00 0.00 0.00
23 B3g 3193 3082 0.00 123.27 0.75 0.86
24 B3g 1649 1592 0.00 8.40 0.75 0.86
25 B3g 1305 1259 0.00 1.39 0.75 0.86
26 B3g 639 616 0.00 5.20 0.75 0.86
27 B3g 437 422 0.00 0.05 0.75 0.86
28 B3u 854 825 72.77 0.00 0.00 0.00
29 B3u 515 497 18.61 0.00 0.00 0.00
30 B3u 157 152 1.60 0.00 0.00 0.00

Unscaled Zero Point Vibrational Energy (zpe) 18351.3 cm-1
Scaled (by 0.9652) Zero Point Vibrational Energy (zpe) 17712.7 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 TPSSh/aug-cc-pVTZ
ABC
0.18906 0.04752 0.03797

See section I.F.4 to change rotational constant units
Geometric Data calculated at TPSSh/aug-cc-pVTZ

Point Group is D2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 1.363
C2 0.000 0.000 -1.363
C3 0.000 1.214 0.696
C4 0.000 -1.214 0.696
C5 0.000 -1.214 -0.696
C6 0.000 1.214 -0.696
F7 0.000 0.000 2.717
F8 0.000 0.000 -2.717
H9 0.000 2.139 1.257
H10 0.000 -2.139 1.257
H11 0.000 -2.139 -1.257
H12 0.000 2.139 -1.257

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 F7 F8 H9 H10 H11 H12
C12.72671.38531.38532.39042.39041.35394.08052.14132.14133.38253.3825
C22.72672.39042.39041.38531.38534.08051.35393.38253.38252.14132.1413
C31.38532.39042.42782.79841.39172.35783.62251.08183.39923.88002.1610
C41.38532.39042.42781.39172.79842.35783.62253.39921.08182.16103.8800
C52.39041.38532.79841.39172.42783.62252.35783.88002.16101.08183.3992
C62.39041.38531.39172.79842.42783.62252.35782.16103.88003.39921.0818
F71.35394.08052.35782.35783.62253.62255.43442.58952.58954.51334.5133
F84.08051.35393.62253.62252.35782.35785.43444.51334.51332.58952.5895
H92.14133.38251.08183.39923.88002.16102.58954.51334.27744.96172.5144
H102.14133.38253.39921.08182.16103.88002.58954.51334.27742.51444.9617
H113.38252.14133.88002.16101.08183.39924.51332.58954.96172.51444.2774
H123.38252.14132.16103.88003.39921.08184.51332.58952.51444.96174.2774

picture of 1,4-difluorobenzene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C3 C6 118.805 C1 C3 H9 119.939
C1 C4 C5 118.805 C1 C4 H10 119.939
C2 C5 C4 118.805 C2 C5 H11 119.939
C2 C6 C3 118.805 C2 C6 H12 119.939
C3 C1 C4 122.390 C3 C1 F7 118.805
C3 C6 H12 121.256 C4 C1 F7 118.805
C4 C5 H11 121.256 C5 C2 C6 122.390
C5 C2 F8 118.805 C5 C4 H10 121.256
C6 C2 F8 118.805 C6 C3 H9 121.256
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at TPSSh/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.582      
2 C 0.582      
3 C -0.364      
4 C -0.364      
5 C -0.364      
6 C -0.364      
7 F -0.473      
8 F -0.473      
9 H 0.309      
10 H 0.309      
11 H 0.309      
12 H 0.309      


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


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.335 0.000 0.000
y 0.000 11.961 0.000
z 0.000 0.000 12.642


<r2> (average value of r2) Å2
<r2> 254.956
(<r2>)1/2 15.967