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All results from a given calculation for C6H4F2 (orthodifluorobenzene)

using model chemistry: BLYP/cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at BLYP/cc-pVTZ
 hartrees
Energy at 0K-430.768588
Energy at 298.15K-430.773210
Nuclear repulsion energy345.029160
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 BLYP/cc-pVTZ
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 3129 3120 3.02      
2 A1 3115 3106 10.74      
3 A1 1581 1576 14.70      
4 A1 1487 1482 155.64      
5 A1 1309 1305 0.05      
6 A1 1243 1240 142.77      
7 A1 1152 1149 2.14      
8 A1 1017 1014 6.69      
9 A1 748 746 30.43      
10 A1 567 566 5.21      
11 A1 278 277 0.17      
12 A2 942 939 0.00      
13 A2 829 827 0.00      
14 A2 682 680 0.00      
15 A2 551 549 0.00      
16 A2 181 181 0.00      
17 B1 913 911 5.02      
18 B1 741 739 71.51      
19 B1 449 448 3.21      
20 B1 283 282 0.02      
21 B2 3124 3114 5.96      
22 B2 3104 3095 1.20      
23 B2 1575 1571 6.70      
24 B2 1447 1443 8.84      
25 B2 1252 1248 2.39      
26 B2 1176 1172 32.54      
27 B2 1093 1090 23.07      
28 B2 838 836 20.31      
29 B2 534 532 3.45      
30 B2 429 428 0.03      

Unscaled Zero Point Vibrational Energy (zpe) 17884.6 cm-1
Scaled (by 0.997) Zero Point Vibrational Energy (zpe) 17831.0 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 BLYP/cc-pVTZ
ABC
0.10723 0.07318 0.04350

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.700 -0.538
C2 0.000 -0.700 -0.538
C3 0.000 -1.403 0.666
C4 0.000 -0.700 1.875
C5 0.000 0.700 1.875
C6 0.000 1.403 0.666
F7 0.000 1.365 -1.719
F8 0.000 -1.365 -1.719
H9 0.000 -2.490 0.637
H10 0.000 -1.248 2.815
H11 0.000 1.248 2.815
H12 0.000 2.490 0.637

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 F7 F8 H9 H10 H11 H12
C11.40062.42342.78992.41301.39431.35522.37943.39973.87773.39722.1409
C21.40061.39432.41302.78992.42342.37941.35522.14093.39723.87773.3997
C32.42341.39431.39782.42512.80513.65402.38561.08762.15373.41173.8925
C42.78992.41301.39781.40002.42514.14503.65492.17611.08782.16273.4215
C52.41302.78992.42511.40001.39783.65494.14503.42152.16271.08782.1761
C61.39432.42342.80512.42511.39782.38563.65403.89253.41172.15371.0876
F71.35522.37943.65404.14503.65492.38562.73094.51815.23284.53502.6106
F82.37941.35522.38563.65494.14503.65402.73092.61064.53505.23284.5181
H93.39972.14091.08762.17613.42153.89254.51812.61062.50674.32574.9796
H103.87773.39722.15371.08782.16273.41175.23284.53502.50672.49594.3257
H113.39723.87773.41172.16271.08782.15374.53505.23284.32572.49592.5067
H122.14093.39973.89253.42152.17611.08762.61064.51814.97964.32572.5067

picture of orthodifluorobenzene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 120.241 C1 C2 F8 119.393
C1 C6 C5 119.585 C1 C6 H12 118.698
C2 C1 C6 120.241 C2 C1 F7 119.393
C2 C3 C4 119.585 C2 C3 H9 118.698
C3 C2 F8 120.366 C3 C4 C5 120.173
C3 C4 H10 119.578 C4 C3 H9 121.717
C4 C5 C6 120.173 C4 C5 H11 120.249
C5 C4 H10 120.249 C5 C6 H12 121.717
C6 C1 F7 120.366 C6 C5 H11 119.578
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.194      
2 C 0.194      
3 C -0.157      
4 C -0.090      
5 C -0.090      
6 C -0.157      
7 F -0.154      
8 F -0.154      
9 H 0.108      
10 H 0.098      
11 H 0.098      
12 H 0.108      


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 2.342 2.342
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -46.508 0.000 0.000
y 0.000 -41.232 0.000
z 0.000 0.000 -44.681
Traceless
 xyz
x -3.551 0.000 0.000
y 0.000 4.363 0.000
z 0.000 0.000 -0.811
Polar
3z2-r2-1.622
x2-y2-5.276
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.086 0.000 0.000
y 0.000 11.869 0.000
z 0.000 0.000 12.264


<r2> (average value of r2) Å2
<r2> 232.966
(<r2>)1/2 15.263