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All results from a given calculation for C6H4F2 (orthodifluorobenzene)

using model chemistry: PBEPBE/cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at PBEPBE/cc-pVDZ
 hartrees
Energy at 0K-430.261512
Energy at 298.15K-430.266126
Nuclear repulsion energy344.653944
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 PBEPBE/cc-pVDZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A1 3152 3134 1.75      
2 A1 3137 3119 8.35      
3 A1 1615 1606 21.59      
4 A1 1502 1493 187.33      
5 A1 1376 1368 2.41      
6 A1 1266 1259 103.49      
7 A1 1126 1119 1.46      
8 A1 1019 1013 5.31      
9 A1 757 753 30.20      
10 A1 560 557 3.52      
11 A1 271 269 0.16      
12 A2 944 939 0.00      
13 A2 828 823 0.00      
14 A2 693 689 0.00      
15 A2 553 550 0.00      
16 A2 182 181 0.00      
17 B1 909 904 5.06      
18 B1 739 735 60.62      
19 B1 453 450 2.83      
20 B1 290 288 0.02      
21 B2 3146 3128 3.45      
22 B2 3126 3107 0.80      
23 B2 1617 1608 7.43      
24 B2 1444 1435 9.34      
25 B2 1237 1230 10.29      
26 B2 1188 1181 29.22      
27 B2 1084 1077 19.86      
28 B2 830 825 16.10      
29 B2 532 529 2.59      
30 B2 426 424 0.07      

Unscaled Zero Point Vibrational Energy (zpe) 18000.2 cm-1
Scaled (by 0.9942) Zero Point Vibrational Energy (zpe) 17895.8 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 PBEPBE/cc-pVDZ
ABC
0.10721 0.07298 0.04342

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/cc-pVDZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.702 -0.543
C2 0.000 -0.702 -0.543
C3 0.000 -1.405 0.666
C4 0.000 -0.702 1.880
C5 0.000 0.702 1.880
C6 0.000 1.405 0.666
F7 0.000 1.363 -1.720
F8 0.000 -1.363 -1.720
H9 0.000 -2.504 0.633
H10 0.000 -1.257 2.829
H11 0.000 1.257 2.829
H12 0.000 2.504 0.633

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 F7 F8 H9 H10 H11 H12
C11.40382.42902.79982.42231.39801.35002.37663.41433.89903.41652.1512
C21.40381.39802.42232.79982.42902.37661.35002.15123.41653.89903.4143
C32.42901.39801.40302.43222.81063.65402.38591.09892.16803.43033.9092
C42.79982.42231.40301.40452.43224.14983.65972.19101.09922.17703.4399
C52.42232.79982.43221.40451.40303.65974.14983.43992.17701.09922.1910
C61.39802.42902.81062.43221.40302.38593.65403.90923.43032.16801.0989
F71.35002.37663.65404.14983.65972.38592.72504.52585.24894.54972.6148
F82.37661.35002.38593.65974.14983.65402.72502.61484.54975.24894.5258
H93.41432.15121.09892.19103.43993.90924.52582.61482.52504.35495.0075
H103.89903.41652.16801.09922.17703.43035.24894.54972.52502.51424.3549
H113.41653.89903.43032.17701.09922.16804.54975.24894.35492.51422.5250
H122.15123.41433.90923.43992.19101.09892.61484.52585.00754.35492.5250

picture of orthodifluorobenzene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 120.207 C1 C2 F8 119.296
C1 C6 C5 119.718 C1 C6 H12 118.492
C2 C1 C6 120.207 C2 C1 F7 119.296
C2 C3 C4 119.718 C2 C3 H9 118.492
C3 C2 F8 120.496 C3 C4 C5 120.074
C3 C4 H10 119.609 C4 C3 H9 121.789
C4 C5 C6 120.074 C4 C5 H11 120.317
C5 C4 H10 120.317 C5 C6 H12 121.789
C6 C1 F7 120.496 C6 C5 H11 119.609
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.098      
2 C 0.098      
3 C 0.004      
4 C 0.030      
5 C 0.030      
6 C 0.004      
7 F -0.124      
8 F -0.124      
9 H 0.003      
10 H -0.010      
11 H -0.010      
12 H 0.003      


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 1.939 1.939
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -46.039 0.000 0.000
y 0.000 -40.303 0.000
z 0.000 0.000 -43.246
Traceless
 xyz
x -4.264 0.000 0.000
y 0.000 4.339 0.000
z 0.000 0.000 -0.075
Polar
3z2-r2-0.150
x2-y2-5.736
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.787 0.000 0.000
y 0.000 11.303 0.000
z 0.000 0.000 11.603


<r2> (average value of r2) Å2
<r2> 232.875
(<r2>)1/2 15.260