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

using model chemistry: wB97X-D/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 wB97X-D/aug-cc-pVTZ
 hartrees
Energy at 0K-430.744277
Energy at 298.15K 
HF Energy-430.744277
Nuclear repulsion energy343.054555
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 wB97X-D/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 3235 3095 0.00 290.72 0.13 0.22
2 Ag 1685 1612 0.00 5.35 0.75 0.86
3 Ag 1298 1242 0.00 32.15 0.06 0.11
4 Ag 1171 1120 0.00 7.83 0.59 0.74
5 Ag 881 842 0.00 40.58 0.04 0.09
6 Ag 462 441 0.00 5.43 0.29 0.45
7 Au 982 939 0.00 0.00 0.00 0.00
8 Au 440 421 0.00 0.00 0.00 0.00
9 B1g 832 796 0.00 0.55 0.75 0.86
10 B1u 3220 3080 4.63 0.00 0.00 0.00
11 B1u 1562 1494 270.18 0.00 0.00 0.00
12 B1u 1248 1194 199.64 0.00 0.00 0.00
13 B1u 1038 993 1.92 0.00 0.00 0.00
14 B1u 760 727 64.96 0.00 0.00 0.00
15 B2g 970 928 0.00 0.00 0.75 0.86
16 B2g 723 692 0.00 1.06 0.75 0.86
17 B2g 382 366 0.00 3.02 0.75 0.86
18 B2u 3234 3094 0.30 0.00 0.00 0.00
19 B2u 1464 1401 0.57 0.00 0.00 0.00
20 B2u 1322 1265 0.03 0.00 0.00 0.00
21 B2u 1116 1068 11.72 0.00 0.00 0.00
22 B2u 356 340 4.21 0.00 0.00 0.00
23 B3g 3222 3082 0.00 113.57 0.75 0.86
24 B3g 1683 1610 0.00 8.92 0.75 0.86
25 B3g 1314 1257 0.00 1.37 0.75 0.86
26 B3g 654 625 0.00 4.92 0.75 0.86
27 B3g 457 437 0.00 0.04 0.75 0.86
28 B3u 876 838 76.58 0.00 0.00 0.00
29 B3u 529 506 20.59 0.00 0.00 0.00
30 B3u 161 154 1.55 0.00 0.00 0.00

Unscaled Zero Point Vibrational Energy (zpe) 18638.1 cm-1
Scaled (by 0.9566) Zero Point Vibrational Energy (zpe) 17829.2 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 wB97X-D/aug-cc-pVTZ
ABC
0.19071 0.04797 0.03833

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/aug-cc-pVTZ

Point Group is D2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 1.361
C2 0.000 0.000 -1.361
C3 0.000 1.208 0.693
C4 0.000 -1.208 0.693
C5 0.000 -1.208 -0.693
C6 0.000 1.208 -0.693
F7 0.000 0.000 2.703
F8 0.000 0.000 -2.703
H9 0.000 2.132 1.253
H10 0.000 -2.132 1.253
H11 0.000 -2.132 -1.253
H12 0.000 2.132 -1.253

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 F7 F8 H9 H10 H11 H12
C12.72221.38071.38072.38322.38321.34174.06402.13442.13443.37333.3733
C22.72222.38322.38321.38071.38074.06401.34173.37333.37332.13442.1344
C31.38072.38322.41662.78581.38612.34513.60441.08013.38663.86572.1542
C41.38072.38322.41661.38612.78582.34513.60443.38661.08012.15423.8657
C52.38321.38072.78581.38612.41663.60442.34513.86572.15421.08013.3866
C62.38321.38071.38612.78582.41663.60442.34512.15423.86573.38661.0801
F71.34174.06402.34512.34513.60443.60445.40572.57792.57794.49394.4939
F84.06401.34173.60443.60442.34512.34515.40574.49394.49392.57792.5779
H92.13443.37331.08013.38663.86572.15422.57794.49394.26344.94562.5065
H102.13443.37333.38661.08012.15423.86572.57794.49394.26342.50654.9456
H113.37332.13443.86572.15421.08013.38664.49392.57794.94562.50654.2634
H123.37332.13442.15423.86573.38661.08014.49392.57792.50654.94564.2634

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 118.940 C1 C3 H9 119.817
C1 C4 C5 118.940 C1 C4 H10 119.817
C2 C5 C4 118.940 C2 C5 H11 119.817
C2 C6 C3 118.940 C2 C6 H12 119.817
C3 C1 C4 122.121 C3 C1 F7 118.940
C3 C6 H12 121.244 C4 C1 F7 118.940
C4 C5 H11 121.244 C5 C2 C6 122.121
C5 C2 F8 118.940 C5 C4 H10 121.244
C6 C2 F8 118.940 C6 C3 H9 121.244
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.645      
2 C 0.645      
3 C -0.653      
4 C -0.653      
5 C -0.653      
6 C -0.653      
7 F -0.515      
8 F -0.515      
9 H 0.588      
10 H 0.588      
11 H 0.588      
12 H 0.588      


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 -46.294 0.000 0.000
y 0.000 -36.803 0.000
z 0.000 0.000 -51.444
Traceless
 xyz
x -2.170 0.000 0.000
y 0.000 12.066 0.000
z 0.000 0.000 -9.895
Polar
3z2-r2-19.791
x2-y2-9.491
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.373 0.000 0.000
y 0.000 11.756 0.000
z 0.000 0.000 12.270


<r2> (average value of r2) Å2
<r2> 252.765
(<r2>)1/2 15.899