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All results from a given calculation for C6H4F2 (orthodifluorobenzene)

using model chemistry: B1B95/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at B1B95/6-31G*
 hartrees
Energy at 0K-430.566188
Energy at 298.15K-430.570913
Nuclear repulsion energy348.636131
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 B1B95/6-31G*
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 3260 3095 1.53      
2 A1 3246 3081 10.66      
3 A1 1694 1608 25.95      
4 A1 1587 1507 200.61      
5 A1 1384 1314 0.91      
6 A1 1340 1272 100.44      
7 A1 1185 1125 0.64      
8 A1 1064 1010 5.28      
9 A1 793 753 29.45      
10 A1 576 547 2.88      
11 A1 269 255 0.28      
12 A2 979 929 0.00      
13 A2 858 815 0.00      
14 A2 681 647 0.00      
15 A2 564 535 0.00      
16 A2 191 182 0.00      
17 B1 943 895 5.91      
18 B1 770 731 75.55      
19 B1 463 440 1.48      
20 B1 299 284 0.02      
21 B2 3256 3091 4.36      
22 B2 3233 3069 1.32      
23 B2 1699 1613 8.04      
24 B2 1516 1439 11.94      
25 B2 1308 1241 13.49      
26 B2 1255 1191 29.41      
27 B2 1136 1078 17.76      
28 B2 860 816 14.12      
29 B2 551 524 3.09      
30 B2 438 416 0.25      

Unscaled Zero Point Vibrational Energy (zpe) 18698.3 cm-1
Scaled (by 0.9493) Zero Point Vibrational Energy (zpe) 17750.3 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 B1B95/6-31G*
ABC
0.10996 0.07460 0.04445

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/6-31G*

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.692 -0.534
C2 0.000 -0.692 -0.534
C3 0.000 -1.391 0.657
C4 0.000 -0.695 1.857
C5 0.000 0.695 1.857
C6 0.000 1.391 0.657
F7 0.000 1.344 -1.699
F8 0.000 -1.344 -1.699
H9 0.000 -2.472 0.623
H10 0.000 -1.241 2.792
H11 0.000 1.241 2.792
H12 0.000 2.472 0.623

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 F7 F8 H9 H10 H11 H12
C11.38382.39882.76352.39051.38041.33562.34593.36933.84643.37042.1235
C21.38381.38042.39052.76352.39882.34591.33562.12353.37043.84643.3693
C32.39881.38041.38732.40592.78123.60952.35651.08232.14023.38883.8632
C42.76352.39051.38731.38922.40594.09903.61492.16371.08282.14963.3987
C52.39052.76352.40591.38921.38733.61494.09903.39872.14961.08282.1637
C61.38042.39882.78122.40591.38732.35653.60953.86323.38882.14021.0823
F71.33562.34593.60954.09903.61492.35652.68784.46775.18184.49222.5824
F82.34591.33562.35653.61494.09903.60952.68782.58244.49225.18184.4677
H93.36932.12351.08232.16373.39873.86324.46772.58242.49344.30014.9449
H103.84643.37042.14021.08282.14963.38885.18184.49222.49342.48224.3001
H113.37043.84643.38882.14961.08282.14024.49225.18184.30012.48222.4934
H122.12353.36933.86323.39872.16371.08232.58244.46774.94494.30012.4934

picture of orthodifluorobenzene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 120.410 C1 C2 F8 119.222
C1 C6 C5 119.477 C1 C6 H12 118.650
C2 C1 C6 120.410 C2 C1 F7 119.222
C2 C3 C4 119.477 C2 C3 H9 118.650
C3 C2 F8 120.368 C3 C4 C5 120.112
C3 C4 H10 119.578 C4 C3 H9 121.873
C4 C5 C6 120.112 C4 C5 H11 120.309
C5 C4 H10 120.309 C5 C6 H12 121.873
C6 C1 F7 120.368 C6 C5 H11 119.578
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.316      
2 C 0.316      
3 C -0.227      
4 C -0.158      
5 C -0.158      
6 C -0.227      
7 F -0.285      
8 F -0.285      
9 H 0.185      
10 H 0.170      
11 H 0.170      
12 H 0.185      


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 2.289 2.289
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -45.337 0.000 0.000
y 0.000 -39.397 0.000
z 0.000 0.000 -42.688
Traceless
 xyz
x -4.294 0.000 0.000
y 0.000 4.616 0.000
z 0.000 0.000 -0.321
Polar
3z2-r2-0.643
x2-y2-5.940
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.432 0.000 0.000
y 0.000 10.424 0.000
z 0.000 0.000 10.714


<r2> (average value of r2) Å2
<r2> 227.704
(<r2>)1/2 15.090