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All results from a given calculation for C6H4F2 (orthodifluorobenzene)

using model chemistry: HF/TZVP

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/TZVP
 hartrees
Energy at 0K-428.548223
Energy at 298.15K-428.553368
HF Energy-428.548223
Nuclear repulsion energy351.293997
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/TZVP
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 3369 3061 2.53      
2 A1 3353 3047 9.10      
3 A1 1792 1628 41.09      
4 A1 1681 1528 216.08      
5 A1 1412 1283 146.00      
6 A1 1310 1190 2.56      
7 A1 1187 1078 0.43      
8 A1 1118 1016 9.31      
9 A1 836 760 38.59      
10 A1 629 571 5.21      
11 A1 316 287 0.46      
12 A2 1050 954 0.00      
13 A2 931 846 0.00      
14 A2 702 637 0.00      
15 A2 534 485 0.00      
16 A2 204 185 0.00      
17 B1 1044 948 5.05      
18 B1 847 769 100.66      
19 B1 505 459 3.56      
20 B1 322 293 0.01      
21 B2 3363 3056 4.50      
22 B2 3340 3035 1.19      
23 B2 1793 1629 10.90      
24 B2 1613 1466 17.24      
25 B2 1405 1276 8.73      
26 B2 1334 1212 50.27      
27 B2 1208 1097 18.69      
28 B2 927 842 20.27      
29 B2 600 545 4.95      
30 B2 481 437 0.23      

Unscaled Zero Point Vibrational Energy (zpe) 19600.5 cm-1
Scaled (by 0.9086) Zero Point Vibrational Energy (zpe) 17809.0 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/TZVP
ABC
0.11108 0.07595 0.04511

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

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 -1.381 0.648
C4 0.000 -0.690 1.840
C5 0.000 0.690 1.840
C6 0.000 1.381 0.648
F7 0.000 1.330 -1.681
F8 0.000 -1.330 -1.681
H9 0.000 -2.452 0.615
H10 0.000 -1.231 2.765
H11 0.000 1.231 2.765
H12 0.000 2.452 0.615

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 F7 F8 H9 H10 H11 H12
C11.36562.37622.73872.36971.36891.32102.31903.33753.81063.34032.1074
C21.36561.36892.36972.73872.37622.31901.32102.10743.34033.81063.3375
C32.37621.36891.37812.39012.76253.57422.32951.07172.12293.36293.8338
C42.73872.36971.37811.38032.39014.05963.57892.14641.07192.13263.3730
C52.36972.73872.39011.38031.37813.57894.05963.37302.13261.07192.1464
C61.36892.37622.76252.39011.37812.32953.57423.83383.36292.12291.0717
F71.32102.31903.57424.05963.57892.32952.66024.42485.13154.44762.5555
F82.31901.32102.32953.57894.05963.57422.66022.55554.44765.13154.4248
H93.33752.10741.07172.14643.37303.83384.42482.55552.47314.26554.9049
H103.81063.34032.12291.07192.13263.36295.13154.44762.47312.46264.2655
H113.34033.81063.36292.13261.07192.12294.44765.13154.26552.46262.4731
H122.10743.33753.83383.37302.14641.07172.55554.42484.90494.26552.4731

picture of orthodifluorobenzene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 120.677 C1 C2 F8 119.341
C1 C6 C5 119.227 C1 C6 H12 118.912
C2 C1 C6 120.677 C2 C1 F7 119.341
C2 C3 C4 119.227 C2 C3 H9 118.912
C3 C2 F8 119.982 C3 C4 C5 120.096
C3 C4 H10 119.584 C4 C3 H9 121.861
C4 C5 C6 120.096 C4 C5 H11 120.320
C5 C4 H10 120.320 C5 C6 H12 121.861
C6 C1 F7 119.982 C6 C5 H11 119.584
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.206      
2 C 0.206      
3 C -0.138      
4 C -0.114      
5 C -0.114      
6 C -0.138      
7 F -0.229      
8 F -0.229      
9 H 0.146      
10 H 0.129      
11 H 0.129      
12 H 0.146      


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 3.048 3.048
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -47.093 0.000 0.000
y 0.000 -40.895 0.000
z 0.000 0.000 -45.274
Traceless
 xyz
x -4.008 0.000 0.000
y 0.000 5.288 0.000
z 0.000 0.000 -1.280
Polar
3z2-r2-2.559
x2-y2-6.197
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.369 0.000 0.000
y 0.000 10.523 0.000
z 0.000 0.000 10.594


<r2> (average value of r2) Å2
<r2> 225.948
(<r2>)1/2 15.032