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All results from a given calculation for C6H4F2 (orthodifluorobenzene)

using model chemistry: HF/LANL2DZ

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/LANL2DZ
 hartrees
Energy at 0K-428.334029
Energy at 298.15K-428.339219
Nuclear repulsion energy346.191649
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/LANL2DZ
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 3441 3097 5.40      
2 A1 3421 3078 13.71      
3 A1 1805 1624 18.40      
4 A1 1673 1506 150.32      
5 A1 1386 1248 94.02      
6 A1 1358 1222 0.19      
7 A1 1271 1144 0.31      
8 A1 1123 1011 11.44      
9 A1 811 729 40.99      
10 A1 626 563 8.21      
11 A1 297 268 1.08      
12 A2 1140 1026 0.00      
13 A2 998 898 0.00      
14 A2 815 733 0.00      
15 A2 615 553 0.00      
16 A2 208 187 0.00      
17 B1 1094 985 7.70      
18 B1 885 796 144.88      
19 B1 513 461 5.51      
20 B1 318 286 0.13      
21 B2 3434 3090 7.12      
22 B2 3406 3065 2.78      
23 B2 1801 1621 3.99      
24 B2 1613 1451 15.21      
25 B2 1412 1271 0.16      
26 B2 1306 1175 28.35      
27 B2 1208 1087 31.80      
28 B2 920 828 21.48      
29 B2 581 522 5.97      
30 B2 463 417 0.96      

Unscaled Zero Point Vibrational Energy (zpe) 19969.8 cm-1
Scaled (by 0.8999) Zero Point Vibrational Energy (zpe) 17970.8 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 HF/LANL2DZ
ABC
0.10769 0.07373 0.04377

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/LANL2DZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.689 -0.527
C2 0.000 -0.689 -0.527
C3 0.000 -1.394 0.661
C4 0.000 -0.698 1.867
C5 0.000 0.698 1.867
C6 0.000 1.394 0.661
F7 0.000 1.360 -1.714
F8 0.000 -1.360 -1.714
H9 0.000 -2.462 0.627
H10 0.000 -1.237 2.789
H11 0.000 1.237 2.789
H12 0.000 2.462 0.627

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 F7 F8 H9 H10 H11 H12
C11.37802.39822.76662.39391.38151.36342.36773.35553.83473.36092.1153
C21.37801.38152.39392.76662.39822.36771.36342.11533.36093.83473.3555
C32.39821.38151.39272.41472.78853.63652.37521.06822.13373.38423.8563
C42.76662.39391.39271.39542.41474.12993.64162.15651.06822.14333.3943
C52.39392.76662.41471.39541.39273.64164.12993.39432.14331.06822.1565
C61.38152.39822.78852.41471.39272.37523.63653.85633.38422.13371.0682
F71.36342.36773.63654.12993.64162.37522.71934.48155.19804.50462.5873
F82.36771.36342.37523.64164.12993.63652.71932.58734.50465.19804.4815
H93.35552.11531.06822.15653.39433.85634.48152.58732.48494.28474.9239
H103.83473.36092.13371.06822.14333.38425.19804.50462.48492.47444.2847
H113.36093.83473.38422.14331.06822.13374.50465.19804.28472.47442.4849
H122.11533.35553.85633.39432.15651.06822.58734.48154.92394.28472.4849

picture of orthodifluorobenzene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 120.697 C1 C2 F8 119.465
C1 C6 C5 119.293 C1 C6 H12 118.862
C2 C1 C6 120.697 C2 C1 F7 119.465
C2 C3 C4 119.293 C2 C3 H9 118.862
C3 C2 F8 119.838 C3 C4 C5 120.010
C3 C4 H10 119.656 C4 C3 H9 121.845
C4 C5 C6 120.010 C4 C5 H11 120.334
C5 C4 H10 120.334 C5 C6 H12 121.845
C6 C1 F7 119.838 C6 C5 H11 119.656
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/LANL2DZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.315      
2 C 0.315      
3 C -0.286      
4 C -0.182      
5 C -0.182      
6 C -0.286      
7 F -0.333      
8 F -0.333      
9 H 0.257      
10 H 0.228      
11 H 0.228      
12 H 0.257      


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 4.381 4.381
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -47.883 0.000 0.000
y 0.000 -41.959 0.000
z 0.000 0.000 -47.568
Traceless
 xyz
x -3.120 0.000 0.000
y 0.000 5.766 0.000
z 0.000 0.000 -2.646
Polar
3z2-r2-5.293
x2-y2-5.924
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.716 0.000 0.000
y 0.000 9.884 0.000
z 0.000 0.000 10.139


<r2> (average value of r2) Å2
<r2> 232.554
(<r2>)1/2 15.250