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All results from a given calculation for C6H4F2 (orthodifluorobenzene)

using model chemistry: B1B95/6-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at B1B95/6-31G
 hartrees
Energy at 0K-430.474061
Energy at 298.15K-430.478861
Nuclear repulsion energy345.531538
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 B1B95/6-31G
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 3282 3130 1.11      
2 A1 3263 3112 9.79      
3 A1 1696 1617 12.61      
4 A1 1581 1507 131.76      
5 A1 1402 1337 0.01      
6 A1 1325 1263 69.84      
7 A1 1217 1160 0.72      
8 A1 1073 1023 6.16      
9 A1 780 744 29.83      
10 A1 586 559 4.68      
11 A1 263 251 0.57      
12 A2 1027 979 0.00      
13 A2 891 850 0.00      
14 A2 710 677 0.00      
15 A2 568 542 0.00      
16 A2 191 182 0.00      
17 B1 987 941 7.11      
18 B1 795 759 102.60      
19 B1 472 450 2.33      
20 B1 296 282 0.23      
21 B2 3276 3124 1.97      
22 B2 3249 3098 1.93      
23 B2 1695 1616 3.49      
24 B2 1522 1452 10.23      
25 B2 1320 1258 1.22      
26 B2 1249 1191 24.60      
27 B2 1148 1095 20.77      
28 B2 870 830 14.01      
29 B2 545 520 3.67      
30 B2 434 414 0.53      

Unscaled Zero Point Vibrational Energy (zpe) 18854.3 cm-1
Scaled (by 0.9537) Zero Point Vibrational Energy (zpe) 17981.3 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 B1B95/6-31G
ABC
0.10766 0.07331 0.04361

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/6-31G

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.693 -0.528
C2 0.000 -0.693 -0.528
C3 0.000 -1.393 0.666
C4 0.000 -0.697 1.869
C5 0.000 0.697 1.869
C6 0.000 1.393 0.666
F7 0.000 1.365 -1.720
F8 0.000 -1.365 -1.720
H9 0.000 -2.473 0.633
H10 0.000 -1.242 2.803
H11 0.000 1.242 2.803
H12 0.000 2.473 0.633

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 F7 F8 H9 H10 H11 H12
C11.38692.40382.77112.39721.38331.36862.37903.37263.85213.37542.1248
C21.38691.38332.39722.77112.40382.37901.36862.12483.37543.85213.3726
C32.40381.38331.39082.41182.78643.64702.38581.08042.14253.39313.8664
C42.77112.39721.39081.39342.41184.13963.65132.16421.08112.15193.4024
C52.39722.77112.41181.39341.39083.65134.13963.40242.15191.08112.1642
C61.38332.40382.78642.41181.39082.38583.64703.86643.39312.14251.0804
F71.36862.37903.64704.13963.65132.38582.73044.50235.22064.52462.6010
F82.37901.36862.38583.65134.13963.64702.73042.60104.52465.22064.5023
H93.37262.12481.08042.16423.40243.86644.50232.60102.49454.30244.9462
H103.85213.37542.14251.08112.15193.39315.22064.52462.49452.48444.3024
H113.37543.85213.39312.15191.08112.14254.52465.22064.30242.48442.4945
H122.12483.37263.86643.40242.16421.08042.60104.50234.94624.30242.4945

picture of orthodifluorobenzene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 120.387 C1 C2 F8 119.397
C1 C6 C5 119.561 C1 C6 H12 118.669
C2 C1 C6 120.387 C2 C1 F7 119.397
C2 C3 C4 119.561 C2 C3 H9 118.669
C3 C2 F8 120.216 C3 C4 C5 120.051
C3 C4 H10 119.645 C4 C3 H9 121.770
C4 C5 C6 120.051 C4 C5 H11 120.304
C5 C4 H10 120.304 C5 C6 H12 121.770
C6 C1 F7 120.216 C6 C5 H11 119.645
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.273      
2 C 0.273      
3 C -0.168      
4 C -0.152      
5 C -0.152      
6 C -0.168      
7 F -0.322      
8 F -0.322      
9 H 0.194      
10 H 0.175      
11 H 0.175      
12 H 0.194      


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 3.353 3.353
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -45.793 0.000 0.000
y 0.000 -40.259 0.000
z 0.000 0.000 -44.571
Traceless
 xyz
x -3.379 0.000 0.000
y 0.000 4.923 0.000
z 0.000 0.000 -1.544
Polar
3z2-r2-3.089
x2-y2-5.535
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.930 0.000 0.000
y 0.000 10.164 0.000
z 0.000 0.000 10.593


<r2> (average value of r2) Å2
<r2> 231.916
(<r2>)1/2 15.229