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

using model chemistry: B97D3/aug-cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D2H 1Ag
Energy calculated at B97D3/aug-cc-pVDZ
 hartrees
Energy at 0K-430.526525
Energy at 298.15K 
HF Energy-430.526525
Nuclear repulsion energy338.436984
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 B97D3/aug-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 Ag 3169 3169 0.00 327.61 0.13 0.23
2 Ag 1602 1602 0.00 5.32 0.75 0.86
3 Ag 1223 1223 0.00 34.21 0.06 0.12
4 Ag 1132 1132 0.00 9.05 0.53 0.69
5 Ag 840 840 0.00 40.95 0.05 0.10
6 Ag 443 443 0.00 6.31 0.30 0.46
7 Au 917 917 0.00 0.00 0.00 0.00
8 Au 420 420 0.00 0.00 0.00 0.00
9 B1g 774 774 0.00 0.41 0.75 0.86
10 B1u 3154 3154 8.25 0.00 0.00 0.00
11 B1u 1485 1485 228.12 0.00 0.00 0.00
12 B1u 1169 1169 208.91 0.00 0.00 0.00
13 B1u 996 996 5.13 0.00 0.00 0.00
14 B1u 718 718 71.94 0.00 0.00 0.00
15 B2g 899 899 0.00 0.00 0.75 0.86
16 B2g 686 686 0.00 0.89 0.75 0.86
17 B2g 359 359 0.00 2.98 0.75 0.86
18 B2u 3168 3168 3.17 0.00 0.00 0.00
19 B2u 1403 1403 0.82 0.00 0.00 0.00
20 B2u 1353 1353 0.10 0.00 0.00 0.00
21 B2u 1082 1082 10.46 0.00 0.00 0.00
22 B2u 338 338 4.00 0.00 0.00 0.00
23 B3g 3157 3157 0.00 131.69 0.75 0.86
24 B3g 1614 1614 0.00 7.98 0.75 0.86
25 B3g 1259 1259 0.00 1.45 0.75 0.86
26 B3g 628 628 0.00 5.45 0.75 0.86
27 B3g 435 435 0.00 0.08 0.75 0.86
28 B3u 815 815 73.00 0.00 0.00 0.00
29 B3u 492 492 19.44 0.00 0.00 0.00
30 B3u 152 152 1.54 0.00 0.00 0.00

Unscaled Zero Point Vibrational Energy (zpe) 17938.7 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 17938.7 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 B97D3/aug-cc-pVDZ
ABC
0.18569 0.04669 0.03731

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/aug-cc-pVDZ

Point Group is D2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 1.374
C2 0.000 0.000 -1.374
C3 0.000 1.225 0.702
C4 0.000 -1.225 0.702
C5 0.000 -1.225 -0.702
C6 0.000 1.225 -0.702
F7 0.000 0.000 2.742
F8 0.000 0.000 -2.742
H9 0.000 2.159 1.267
H10 0.000 -2.159 1.267
H11 0.000 -2.159 -1.267
H12 0.000 2.159 -1.267

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 F7 F8 H9 H10 H11 H12
C12.74781.39701.39702.41002.41001.36794.11572.16182.16183.41123.4112
C22.74782.41002.41001.39701.39704.11571.36793.41123.41122.16182.1618
C31.39702.41002.44932.82291.40352.37943.65481.09213.43073.91492.1792
C41.39702.41002.44931.40352.82292.37943.65483.43071.09212.17923.9149
C52.41001.39702.82291.40352.44933.65482.37943.91492.17921.09213.4307
C62.41001.39701.40352.82292.44933.65482.37942.17923.91493.43071.0921
F71.36794.11572.37942.37943.65483.65485.48362.61482.61484.55334.5533
F84.11571.36793.65483.65482.37942.37945.48364.55334.55332.61482.6148
H92.16183.41121.09213.43073.91492.17922.61484.55334.31845.00692.5339
H102.16183.41123.43071.09212.17923.91492.61484.55334.31842.53395.0069
H113.41122.16183.91492.17921.09213.43074.55332.61485.00692.53394.3184
H123.41122.16182.17923.91493.43071.09214.55332.61482.53395.00694.3184

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 118.760 C1 C3 H9 120.073
C1 C4 C5 118.760 C1 C4 H10 120.073
C2 C5 C4 118.760 C2 C5 H11 120.073
C2 C6 C3 118.760 C2 C6 H12 120.073
C3 C1 C4 122.480 C3 C1 F7 118.760
C3 C6 H12 121.167 C4 C1 F7 118.760
C4 C5 H11 121.167 C5 C2 C6 122.480
C5 C2 F8 118.760 C5 C4 H10 121.167
C6 C2 F8 118.760 C6 C3 H9 121.167
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.283      
2 C 0.283      
3 C 0.777      
4 C 0.777      
5 C 0.777      
6 C 0.777      
7 F -0.598      
8 F -0.598      
9 H -0.620      
10 H -0.620      
11 H -0.620      
12 H -0.620      


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 -46.623 0.000 0.000
y 0.000 -37.273 0.000
z 0.000 0.000 -52.300
Traceless
 xyz
x -1.836 0.000 0.000
y 0.000 12.188 0.000
z 0.000 0.000 -10.352
Polar
3z2-r2-20.703
x2-y2-9.350
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.549 0.000 0.000
y 0.000 12.344 0.000
z 0.000 0.000 13.142


<r2> (average value of r2) Å2
<r2> 259.204
(<r2>)1/2 16.100