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All results from a given calculation for C6H4F2 (orthodifluorobenzene)

using model chemistry: B3LYP/CEP-121G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at B3LYP/CEP-121G*
 hartrees
Energy at 0K-84.680026
Energy at 298.15K-84.684637
Nuclear repulsion energy176.900065
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 B3LYP/CEP-121G*
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 3196 3098 3.59      
2 A1 3182 3084 16.77      
3 A1 1627 1577 26.32      
4 A1 1525 1479 187.03      
5 A1 1313 1272 0.19      
6 A1 1281 1242 137.12      
7 A1 1160 1125 0.89      
8 A1 1028 997 7.33      
9 A1 761 738 32.40      
10 A1 571 553 4.29      
11 A1 281 272 0.28      
12 A2 948 919 0.00      
13 A2 838 813 0.00      
14 A2 626 606 0.00      
15 A2 543 527 0.00      
16 A2 186 180 0.00      
17 B1 925 897 4.51      
18 B1 763 740 92.81      
19 B1 451 437 2.65      
20 B1 287 278 0.01      
21 B2 3192 3094 10.70      
22 B2 3169 3072 2.09      
23 B2 1622 1572 9.38      
24 B2 1471 1426 12.20      
25 B2 1271 1233 4.94      
26 B2 1205 1168 41.89      
27 B2 1106 1073 22.39      
28 B2 847 821 18.37      
29 B2 540 524 3.23      
30 B2 432 419 0.13      

Unscaled Zero Point Vibrational Energy (zpe) 18172.4 cm-1
Scaled (by 0.9694) Zero Point Vibrational Energy (zpe) 17616.3 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 B3LYP/CEP-121G*
ABC
0.10676 0.07295 0.04334

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/CEP-121G*

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.702 -0.540
C2 0.000 -0.702 -0.540
C3 0.000 -1.410 0.666
C4 0.000 -0.703 1.880
C5 0.000 0.703 1.880
C6 0.000 1.410 0.666
F7 0.000 1.365 -1.721
F8 0.000 -1.365 -1.721
H9 0.000 -2.498 0.635
H10 0.000 -1.252 2.820
H11 0.000 1.252 2.820
H12 0.000 2.498 0.635

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 F7 F8 H9 H10 H11 H12
C11.40312.43202.79872.42051.39931.35462.38013.40823.88693.40502.1464
C21.40311.39932.42052.79872.43202.38011.35462.14643.40503.88693.4082
C32.43201.39931.40452.43722.82013.66082.38821.08812.15933.42423.9078
C42.79872.42051.40451.40682.43724.15313.66182.18401.08832.16973.4347
C52.42052.79872.43721.40681.40453.66184.15313.43472.16971.08832.1840
C61.39932.43202.82012.43721.40452.38823.66083.90783.42422.15931.0881
F71.35462.38013.66084.15313.66182.38822.72974.52455.24144.54272.6145
F82.38011.35462.38823.66184.15313.66082.72972.61454.54275.24144.5245
H93.40822.14641.08812.18403.43473.90784.52452.61452.51504.34004.9953
H103.88693.40502.15931.08832.16973.42425.24144.54272.51502.50444.3400
H113.40503.88693.42422.16971.08832.15934.54275.24144.34002.50442.5150
H122.14643.40823.90783.43472.18401.08812.61454.52454.99534.34002.5150

picture of orthodifluorobenzene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 120.418 C1 C2 F8 119.319
C1 C6 C5 119.375 C1 C6 H12 118.764
C2 C1 C6 120.418 C2 C1 F7 119.319
C2 C3 C4 119.375 C2 C3 H9 118.764
C3 C2 F8 120.263 C3 C4 C5 120.207
C3 C4 H10 119.508 C4 C3 H9 121.862
C4 C5 C6 120.207 C4 C5 H11 120.285
C5 C4 H10 120.285 C5 C6 H12 121.862
C6 C1 F7 120.263 C6 C5 H11 119.508
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/CEP-121G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.285      
2 C 0.285      
3 C -0.311      
4 C -0.189      
5 C -0.189      
6 C -0.311      
7 F -0.223      
8 F -0.223      
9 H 0.223      
10 H 0.215      
11 H 0.215      
12 H 0.223      


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 2.771 2.771
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -46.583 0.000 0.000
y 0.000 -40.292 0.000
z 0.000 0.000 -44.087
Traceless
 xyz
x -4.393 0.000 0.000
y 0.000 5.042 0.000
z 0.000 0.000 -0.649
Polar
3z2-r2-1.299
x2-y2-6.290
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.811 0.000 0.000
y 0.000 11.441 0.000
z 0.000 0.000 11.709


<r2> (average value of r2) Å2
<r2> 185.160
(<r2>)1/2 13.607