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All results from a given calculation for C6H4F2 (orthodifluorobenzene)

using model chemistry: HF/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at HF/6-31+G**
 hartrees
Energy at 0K-428.421815
Energy at 298.15K-428.427042
Nuclear repulsion energy350.156382
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 HF/6-31+G**
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 3388 3064 2.18      
2 A1 3373 3050 10.31      
3 A1 1806 1633 42.72      
4 A1 1687 1526 213.16      
5 A1 1411 1276 143.87      
6 A1 1322 1195 2.94      
7 A1 1207 1092 0.18      
8 A1 1120 1013 9.66      
9 A1 836 756 39.83      
10 A1 625 565 5.50      
11 A1 310 280 0.44      
12 A2 1111 1004 0.00      
13 A2 970 877 0.00      
14 A2 783 708 0.00      
15 A2 614 555 0.00      
16 A2 210 189 0.00      
17 B1 1071 968 7.42      
18 B1 854 772 115.20      
19 B1 510 461 3.73      
20 B1 324 293 0.01      
21 B2 3383 3059 4.81      
22 B2 3359 3037 1.40      
23 B2 1804 1632 11.78      
24 B2 1617 1462 16.62      
25 B2 1403 1269 7.47      
26 B2 1330 1203 49.47      
27 B2 1208 1092 19.70      
28 B2 923 834 19.67      
29 B2 594 537 5.19      
30 B2 476 430 0.22      

Unscaled Zero Point Vibrational Energy (zpe) 19814.0 cm-1
Scaled (by 0.9042) Zero Point Vibrational Energy (zpe) 17915.8 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 HF/6-31+G**
ABC
0.11045 0.07543 0.04482

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.684 -0.530
C2 0.000 -0.684 -0.530
C3 0.000 -1.386 0.650
C4 0.000 -0.693 1.847
C5 0.000 0.693 1.847
C6 0.000 1.386 0.650
F7 0.000 1.333 -1.687
F8 0.000 -1.333 -1.687
H9 0.000 -2.458 0.616
H10 0.000 -1.235 2.773
H11 0.000 1.235 2.773
H12 0.000 2.458 0.616

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 F7 F8 H9 H10 H11 H12
C11.36862.38322.74712.37701.37311.32662.32553.34473.81983.34832.1116
C21.36861.37312.37702.74712.38322.32551.32662.11163.34833.81983.3447
C32.38321.37311.38332.39892.77243.58562.33801.07232.12813.37263.8443
C42.74712.37701.38331.38562.39894.07363.59172.15211.07262.13823.3828
C52.37702.74712.39891.38561.38333.59174.07363.38282.13821.07262.1521
C61.37312.38322.77242.39891.38332.33803.58563.84433.37262.12811.0723
F71.32662.32553.58564.07363.59172.33802.66564.43565.14624.46112.5632
F82.32551.32662.33803.59174.07363.58562.66562.56324.46115.14624.4356
H93.34472.11161.07232.15213.38283.84434.43562.56322.47974.27644.9160
H103.81983.34832.12811.07262.13823.37265.14624.46112.47972.46924.2764
H113.34833.81983.37262.13821.07262.12814.46115.14624.27642.46922.4797
H122.11163.34473.84433.38282.15211.07232.56324.43564.91604.27642.4797

picture of orthodifluorobenzene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 120.743 C1 C2 F8 119.265
C1 C6 C5 119.173 C1 C6 H12 118.913
C2 C1 C6 120.743 C2 C1 F7 119.265
C2 C3 C4 119.173 C2 C3 H9 118.913
C3 C2 F8 119.992 C3 C4 C5 120.084
C3 C4 H10 119.580 C4 C3 H9 121.915
C4 C5 C6 120.084 C4 C5 H11 120.336
C5 C4 H10 120.336 C5 C6 H12 121.915
C6 C1 F7 119.992 C6 C5 H11 119.580
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.115      
2 C 0.115      
3 C 0.099      
4 C -0.174      
5 C -0.174      
6 C 0.099      
7 F -0.419      
8 F -0.419      
9 H 0.198      
10 H 0.181      
11 H 0.181      
12 H 0.198      


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 3.083 3.083
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -47.454 0.000 0.000
y 0.000 -40.944 0.000
z 0.000 0.000 -45.424
Traceless
 xyz
x -4.270 0.000 0.000
y 0.000 5.496 0.000
z 0.000 0.000 -1.225
Polar
3z2-r2-2.451
x2-y2-6.511
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.719 0.000 0.000
y 0.000 10.822 0.000
z 0.000 0.000 10.905


<r2> (average value of r2) Å2
<r2> 227.314
(<r2>)1/2 15.077