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All results from a given calculation for C6H4F2 (orthodifluorobenzene)

using model chemistry: PBEPBE/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 PBEPBE/cc-pVTZ
 hartrees
Energy at 0K-430.391473
Energy at 298.15K-430.396097
Nuclear repulsion energy346.158734
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 PBEPBE/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 3138 3116 2.38      
2 A1 3124 3102 8.33      
3 A1 1602 1591 19.60      
4 A1 1497 1487 185.05      
5 A1 1348 1339 0.94      
6 A1 1262 1253 123.66      
7 A1 1140 1132 1.65      
8 A1 1022 1015 5.97      
9 A1 756 751 28.97      
10 A1 563 559 3.78      
11 A1 277 275 0.16      
12 A2 938 932 0.00      
13 A2 824 819 0.00      
14 A2 686 681 0.00      
15 A2 552 548 0.00      
16 A2 181 180 0.00      
17 B1 908 902 5.05      
18 B1 737 732 73.87      
19 B1 448 445 3.68      
20 B1 285 283 0.07      
21 B2 3132 3110 3.70      
22 B2 3113 3091 0.87      
23 B2 1599 1588 7.75      
24 B2 1447 1437 10.51      
25 B2 1246 1237 4.77      
26 B2 1188 1180 34.02      
27 B2 1092 1084 21.04      
28 B2 838 832 17.46      
29 B2 535 532 2.85      
30 B2 429 426 0.05      

Unscaled Zero Point Vibrational Energy (zpe) 17951.7 cm-1
Scaled (by 0.9931) Zero Point Vibrational Energy (zpe) 17827.9 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 PBEPBE/cc-pVTZ
ABC
0.10797 0.07369 0.04380

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.698 -0.538
C2 0.000 -0.698 -0.538
C3 0.000 -1.399 0.663
C4 0.000 -0.698 1.869
C5 0.000 0.698 1.869
C6 0.000 1.399 0.663
F7 0.000 1.359 -1.712
F8 0.000 -1.359 -1.712
H9 0.000 -2.489 0.633
H10 0.000 -1.248 2.810
H11 0.000 1.248 2.810
H12 0.000 2.489 0.633

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 F7 F8 H9 H10 H11 H12
C11.39692.41712.78282.40691.39061.34742.36913.39543.87283.39312.1392
C21.39691.39062.40692.78282.41712.36911.34742.13923.39313.87283.3954
C32.41711.39061.39462.41922.79823.64022.37581.09002.15253.40823.8879
C42.78282.40691.39461.39662.41924.13013.64172.17551.09012.16183.4182
C52.40692.78282.41921.39661.39463.64174.13013.41822.16181.09012.1755
C61.39062.41712.79822.41921.39462.37583.64023.88793.40822.15251.0900
F71.34742.36913.64024.13013.64172.37582.71834.50625.22024.52412.6031
F82.36911.34742.37583.64174.13013.64022.71832.60314.52415.22024.5062
H93.39542.13921.09002.17553.41823.88794.50622.60312.50624.32454.9774
H103.87283.39312.15251.09012.16183.40825.22024.52412.50622.49544.3245
H113.39313.87283.40822.16181.09012.15254.52415.22024.32452.49542.5062
H122.13923.39543.88793.41822.17551.09002.60314.50624.97744.32452.5062

picture of orthodifluorobenzene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 120.255 C1 C2 F8 119.363
C1 C6 C5 119.579 C1 C6 H12 118.667
C2 C1 C6 120.255 C2 C1 F7 119.363
C2 C3 C4 119.579 C2 C3 H9 118.667
C3 C2 F8 120.382 C3 C4 C5 120.166
C3 C4 H10 119.570 C4 C3 H9 121.754
C4 C5 C6 120.166 C4 C5 H11 120.265
C5 C4 H10 120.265 C5 C6 H12 121.754
C6 C1 F7 120.382 C6 C5 H11 119.570
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.171      
2 C 0.171      
3 C -0.163      
4 C -0.104      
5 C -0.104      
6 C -0.163      
7 F -0.129      
8 F -0.129      
9 H 0.116      
10 H 0.108      
11 H 0.108      
12 H 0.116      


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 2.170 2.170
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -46.383 0.000 0.000
y 0.000 -40.588 0.000
z 0.000 0.000 -43.940
Traceless
 xyz
x -4.119 0.000 0.000
y 0.000 4.573 0.000
z 0.000 0.000 -0.454
Polar
3z2-r2-0.909
x2-y2-5.795
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.106 0.000 0.000
y 0.000 11.813 0.000
z 0.000 0.000 12.199


<r2> (average value of r2) Å2
<r2> 231.337
(<r2>)1/2 15.210