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All results from a given calculation for C6H4F2 (orthodifluorobenzene)

using model chemistry: HF/cc-pVQZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at HF/cc-pVQZ
 hartrees
Energy at 0K-428.584274
Energy at 298.15K-428.589546
Nuclear repulsion energy351.699906
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 HF/cc-pVQZ
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 3360 3052 3.14      
2 A1 3344 3037 10.22      
3 A1 1792 1628 40.39      
4 A1 1681 1527 217.84      
5 A1 1412 1282 149.24      
6 A1 1309 1189 3.02      
7 A1 1181 1073 0.45      
8 A1 1116 1014 8.36      
9 A1 835 759 35.12      
10 A1 627 569 5.16      
11 A1 314 285 0.36      
12 A2 1102 1001 0.00      
13 A2 971 882 0.00      
14 A2 801 727 0.00      
15 A2 620 563 0.00      
16 A2 210 191 0.00      
17 B1 1068 971 6.76      
18 B1 852 774 93.54      
19 B1 514 467 3.86      
20 B1 327 297 0.00      
21 B2 3354 3046 6.67      
22 B2 3330 3025 1.07      
23 B2 1793 1629 10.93      
24 B2 1613 1465 17.49      
25 B2 1403 1274 9.64      
26 B2 1331 1209 46.94      
27 B2 1206 1095 16.28      
28 B2 925 840 19.19      
29 B2 598 543 4.95      
30 B2 480 436 0.15      

Unscaled Zero Point Vibrational Energy (zpe) 19732.8 cm-1
Scaled (by 0.9084) Zero Point Vibrational Energy (zpe) 17925.3 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 HF/cc-pVQZ
ABC
0.11135 0.07612 0.04521

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.683 -0.530
C2 0.000 -0.683 -0.530
C3 0.000 -1.380 0.647
C4 0.000 -0.690 1.838
C5 0.000 0.690 1.838
C6 0.000 1.380 0.647
F7 0.000 1.329 -1.679
F8 0.000 -1.329 -1.679
H9 0.000 -2.450 0.615
H10 0.000 -1.230 2.763
H11 0.000 1.230 2.763
H12 0.000 2.450 0.615

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 F7 F8 H9 H10 H11 H12
C11.36542.37522.73702.36821.36831.31842.31653.33563.80763.33772.1060
C21.36541.36832.36822.73702.37522.31651.31842.10603.33773.80763.3356
C32.37521.36831.37692.38812.76073.57082.32701.07052.12083.35973.8308
C42.73702.36821.37691.37902.38814.05533.57512.14401.07062.13023.3697
C52.36822.73702.38811.37901.37693.57514.05533.36972.13021.07062.1440
C61.36832.37522.76072.38811.37692.32703.57083.83083.35972.12081.0705
F71.31842.31653.57084.05533.57512.32702.65714.42085.12594.44302.5538
F82.31651.31842.32703.57514.05533.57082.65712.55384.44305.12594.4208
H93.33562.10601.07052.14403.36973.83084.42082.55382.47034.26094.9006
H103.80763.33772.12081.07062.13023.35975.12594.44302.47032.45954.2609
H113.33773.80763.35972.13021.07062.12084.44305.12594.26092.45952.4703
H122.10603.33563.83083.36972.14401.07052.55384.42084.90064.26092.4703

picture of orthodifluorobenzene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 120.655 C1 C2 F8 119.334
C1 C6 C5 119.232 C1 C6 H12 118.930
C2 C1 C6 120.655 C2 C1 F7 119.334
C2 C3 C4 119.232 C2 C3 H9 118.930
C3 C2 F8 120.012 C3 C4 C5 120.113
C3 C4 H10 119.583 C4 C3 H9 121.837
C4 C5 C6 120.113 C4 C5 H11 120.304
C5 C4 H10 120.304 C5 C6 H12 121.837
C6 C1 F7 120.012 C6 C5 H11 119.583
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/cc-pVQZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.335      
2 C 0.335      
3 C -0.258      
4 C -0.137      
5 C -0.137      
6 C -0.258      
7 F -0.287      
8 F -0.287      
9 H 0.186      
10 H 0.160      
11 H 0.160      
12 H 0.186      


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 2.724 2.724
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -46.864 0.000 0.000
y 0.000 -40.652 0.000
z 0.000 0.000 -44.808
Traceless
 xyz
x -4.134 0.000 0.000
y 0.000 5.184 0.000
z 0.000 0.000 -1.050
Polar
3z2-r2-2.099
x2-y2-6.212
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.724 0.000 0.000
y 0.000 11.028 0.000
z 0.000 0.000 11.132


<r2> (average value of r2) Å2
<r2> 225.313
(<r2>)1/2 15.010