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All results from a given calculation for C6H4F2 (1,4-difluorobenzene)

using model chemistry: SVWN/6-311G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D2H 1Ag
Energy calculated at SVWN/6-311G**
 hartrees
Energy at 0K-428.609131
Energy at 298.15K 
HF Energy-428.609131
Nuclear repulsion energy343.167998
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 SVWN/6-311G**
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 Ag 3141 3108 0.00 300.86 0.17 0.29
2 Ag 1651 1634 0.00 6.64 0.56 0.72
3 Ag 1302 1288 0.00 18.63 0.12 0.21
4 Ag 1105 1093 0.00 6.81 0.69 0.81
5 Ag 870 861 0.00 32.63 0.09 0.16
6 Ag 449 444 0.00 4.49 0.46 0.63
7 Au 911 902 0.00 0.00 0.00 0.00
8 Au 423 419 0.00 0.00 0.00 0.00
9 B1g 771 763 0.00 0.95 0.75 0.86
10 B1u 3127 3095 1.96 0.00 0.00 0.00
11 B1u 1518 1502 304.71 0.00 0.00 0.00
12 B1u 1216 1204 127.69 0.00 0.00 0.00
13 B1u 993 983 2.59 0.00 0.00 0.00
14 B1u 745 737 51.92 0.00 0.00 0.00
15 B2g 889 879 0.00 0.94 0.75 0.86
16 B2g 691 684 0.00 0.28 0.75 0.86
17 B2g 373 369 0.00 3.68 0.75 0.86
18 B2u 3140 3107 1.79 0.00 0.00 0.00
19 B2u 1431 1416 0.94 0.00 0.00 0.00
20 B2u 1397 1382 0.05 0.00 0.00 0.00
21 B2u 1060 1049 17.07 0.00 0.00 0.00
22 B2u 343 339 3.71 0.00 0.00 0.00
23 B3g 3130 3097 0.00 134.75 0.75 0.86
24 B3g 1643 1626 0.00 5.23 0.75 0.86
25 B3g 1231 1218 0.00 2.46 0.75 0.86
26 B3g 631 624 0.00 7.81 0.75 0.86
27 B3g 433 429 0.00 0.11 0.75 0.86
28 B3u 823 814 87.82 0.00 0.00 0.00
29 B3u 502 497 23.81 0.00 0.00 0.00
30 B3u 156 154 1.07 0.00 0.00 0.00

Unscaled Zero Point Vibrational Energy (zpe) 18046.8 cm-1
Scaled (by 0.9896) Zero Point Vibrational Energy (zpe) 17859.1 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 SVWN/6-311G**
ABC
0.19084 0.04803 0.03837

See section I.F.4 to change rotational constant units
Geometric Data calculated at SVWN/6-311G**

Point Group is D2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 1.364
C2 0.000 0.000 -1.364
C3 0.000 1.207 0.692
C4 0.000 -1.207 0.692
C5 0.000 -1.207 -0.692
C6 0.000 1.207 -0.692
F7 0.000 0.000 2.699
F8 0.000 0.000 -2.699
H9 0.000 2.137 1.264
H10 0.000 -2.137 1.264
H11 0.000 -2.137 -1.264
H12 0.000 2.137 -1.264

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 F7 F8 H9 H10 H11 H12
C12.72771.38121.38122.38422.38421.33564.06332.13962.13963.38753.3875
C22.72772.38422.38421.38121.38124.06331.33563.38753.38752.13962.1396
C31.38122.38422.41382.78271.38452.34213.60001.09223.39283.87452.1665
C41.38122.38422.41381.38452.78272.34213.60003.39281.09222.16653.8745
C52.38421.38122.78271.38452.41383.60002.34213.87452.16651.09223.3928
C62.38421.38121.38452.78272.41383.60002.34212.16653.87453.39281.0922
F71.33564.06332.34212.34213.60003.60005.39892.57442.57444.50334.5033
F84.06331.33563.60003.60002.34212.34215.39894.50334.50332.57442.5744
H92.13963.38751.09223.39283.87452.16652.57444.50334.27464.96652.5286
H102.13963.38753.39281.09222.16653.87452.57444.50334.27462.52864.9665
H113.38752.13963.87452.16651.09223.39284.50332.57444.96652.52864.2746
H123.38752.13962.16653.87453.39281.09224.50332.57442.52864.96654.2746

picture of 1,4-difluorobenzene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C3 C6 119.095 C1 C3 H9 119.320
C1 C4 C5 119.095 C1 C4 H10 119.320
C2 C5 C4 119.095 C2 C5 H11 119.320
C2 C6 C3 119.095 C2 C6 H12 119.320
C3 C1 C4 121.810 C3 C1 F7 119.095
C3 C6 H12 121.585 C4 C1 F7 119.095
C4 C5 H11 121.585 C5 C2 C6 121.810
C5 C2 F8 119.095 C5 C4 H10 121.585
C6 C2 F8 119.095 C6 C3 H9 121.585
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at SVWN/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.188      
2 C 0.188      
3 C -0.152      
4 C -0.152      
5 C -0.152      
6 C -0.152      
7 F -0.181      
8 F -0.181      
9 H 0.148      
10 H 0.148      
11 H 0.148      
12 H 0.148      


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 0.000 0.000
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -46.631 0.000 0.000
y 0.000 -37.055 0.000
z 0.000 0.000 -49.703
Traceless
 xyz
x -3.252 0.000 0.000
y 0.000 11.112 0.000
z 0.000 0.000 -7.860
Polar
3z2-r2-15.720
x2-y2-9.576
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.253 0.000 0.000
y 0.000 11.012 0.000
z 0.000 0.000 11.428


<r2> (average value of r2) Å2
<r2> 252.384
(<r2>)1/2 15.887