return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

All results from a given calculation for C6H4F2 (orthodifluorobenzene)

using model chemistry: BLYP/cc-pVDZ

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-pVDZ
 hartrees
Energy at 0K-430.623546
Energy at 298.15K-430.628156
Nuclear repulsion energy343.331125
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-pVDZ
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 3132 3137 2.83      
2 A1 3117 3122 12.07      
3 A1 1591 1593 17.53      
4 A1 1486 1489 160.77      
5 A1 1334 1336 0.60      
6 A1 1250 1252 118.82      
7 A1 1132 1134 1.49      
8 A1 1013 1015 5.32      
9 A1 748 749 30.14      
10 A1 562 563 4.53      
11 A1 273 273 0.17      
12 A2 950 952 0.00      
13 A2 834 836 0.00      
14 A2 691 692 0.00      
15 A2 552 553 0.00      
16 A2 183 183 0.00      
17 B1 915 917 4.45      
18 B1 744 745 52.52      
19 B1 454 455 2.20      
20 B1 289 289 0.00      
21 B2 3126 3131 7.48      
22 B2 3105 3110 1.17      
23 B2 1590 1593 6.61      
24 B2 1439 1441 7.63      
25 B2 1238 1240 5.74      
26 B2 1178 1179 31.00      
27 B2 1083 1084 20.09      
28 B2 829 830 17.71      
29 B2 529 530 3.02      
30 B2 426 427 0.06      

Unscaled Zero Point Vibrational Energy (zpe) 17895.0 cm-1
Scaled (by 1.0016) Zero Point Vibrational Energy (zpe) 17923.6 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-pVDZ
ABC
0.10632 0.07243 0.04308

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.704 -0.544
C2 0.000 -0.704 -0.544
C3 0.000 -1.410 0.669
C4 0.000 -0.705 1.887
C5 0.000 0.705 1.887
C6 0.000 1.410 0.669
F7 0.000 1.369 -1.727
F8 0.000 -1.369 -1.727
H9 0.000 -2.508 0.637
H10 0.000 -1.259 2.836
H11 0.000 1.259 2.836
H12 0.000 2.508 0.637

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 F7 F8 H9 H10 H11 H12
C11.40892.43762.80952.43061.40311.35742.38773.42263.90833.42462.1557
C21.40891.40312.43062.80952.43762.38771.35742.15573.42463.90833.4226
C32.43761.40311.40742.44022.82013.66972.39661.09852.17193.43763.9183
C42.80952.43061.40741.40902.44024.16683.67472.19441.09892.18063.4472
C52.43062.80952.44021.40901.40743.67474.16683.44722.18061.09892.1944
C61.40312.43762.82012.44021.40742.39663.66973.91833.43762.17191.0985
F71.35742.38773.66974.16683.67472.39662.73874.54135.26564.56412.6240
F82.38771.35742.39663.67474.16683.66972.73872.62404.56415.26564.5413
H93.42262.15571.09852.19443.44723.91834.54132.62402.52884.36175.0162
H103.90833.42462.17191.09892.18063.43765.26564.56412.52882.51784.3617
H113.42463.90833.43762.18061.09892.17194.56415.26564.36172.51782.5288
H122.15573.42263.91833.44722.19441.09852.62404.54135.01624.36172.5288

picture of orthodifluorobenzene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 120.190 C1 C2 F8 119.328
C1 C6 C5 119.725 C1 C6 H12 118.512
C2 C1 C6 120.190 C2 C1 F7 119.328
C2 C3 C4 119.725 C2 C3 H9 118.512
C3 C2 F8 120.483 C3 C4 C5 120.086
C3 C4 H10 119.615 C4 C3 H9 121.764
C4 C5 C6 120.086 C4 C5 H11 120.299
C5 C4 H10 120.299 C5 C6 H12 121.764
C6 C1 F7 120.483 C6 C5 H11 119.615
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.094      
2 C 0.094      
3 C 0.042      
4 C 0.066      
5 C 0.066      
6 C 0.042      
7 F -0.130      
8 F -0.130      
9 H -0.030      
10 H -0.043      
11 H -0.043      
12 H -0.030      


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 2.036 2.036
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -45.898 0.000 0.000
y 0.000 -40.863 0.000
z 0.000 0.000 -43.813
Traceless
 xyz
x -3.559 0.000 0.000
y 0.000 3.992 0.000
z 0.000 0.000 -0.433
Polar
3z2-r2-0.866
x2-y2-5.035
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.753 0.000 0.000
y 0.000 11.393 0.000
z 0.000 0.000 11.683


<r2> (average value of r2) Å2
<r2> 234.650
(<r2>)1/2 15.318