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All results from a given calculation for C6H4F2 (orthodifluorobenzene)

using model chemistry: B2PLYP/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 B2PLYP/cc-pVTZ
 hartrees
Energy at 0K-430.566164
Energy at 298.15K-430.570994
HF Energy-430.101229
Nuclear repulsion energy348.079324
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 B2PLYP/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 3232 3100 2.13      
2 A1 3217 3087 7.26      
3 A1 1656 1589 25.26      
4 A1 1552 1489 183.68      
5 A1 1362 1307 0.74      
6 A1 1306 1253 125.60      
7 A1 1180 1132 0.96      
8 A1 1050 1008 6.53      
9 A1 778 746 30.29      
10 A1 583 559 4.15      
11 A1 287 275 0.24      
12 A2 979 939 0.00      
13 A2 864 829 0.00      
14 A2 706 678 0.00      
15 A2 570 547 0.00      
16 A2 190 183 0.00      
17 B1 952 914 5.64      
18 B1 772 741 79.62      
19 B1 467 448 3.23      
20 B1 297 285 0.01      
21 B2 3226 3095 2.71      
22 B2 3206 3075 0.94      
23 B2 1653 1586 8.45      
24 B2 1497 1436 11.89      
25 B2 1295 1243 5.42      
26 B2 1231 1181 36.46      
27 B2 1127 1082 19.36      
28 B2 866 831 18.10      
29 B2 553 531 3.41      
30 B2 443 425 0.11      

Unscaled Zero Point Vibrational Energy (zpe) 18547.7 cm-1
Scaled (by 0.9594) Zero Point Vibrational Energy (zpe) 17794.6 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 B2PLYP/cc-pVTZ
ABC
0.10918 0.07448 0.04428

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/cc-pVTZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.694 -0.533
C2 0.000 -0.694 -0.533
C3 0.000 -1.395 0.658
C4 0.000 -0.695 1.860
C5 0.000 0.695 1.860
C6 0.000 1.395 0.658
F7 0.000 1.348 -1.704
F8 0.000 -1.348 -1.704
H9 0.000 -2.474 0.627
H10 0.000 -1.239 2.793
H11 0.000 1.239 2.793
H12 0.000 2.474 0.627

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 F7 F8 H9 H10 H11 H12
C11.38802.40532.76792.39391.38291.34072.35383.37403.84723.37072.1249
C21.38801.38292.39392.76792.40532.35381.34072.12493.37073.84723.3740
C32.40531.38291.39092.41152.79043.62032.36251.07952.14013.39043.8696
C42.76792.39391.39091.39072.41154.10843.62342.16501.07932.14733.4013
C52.39392.76792.41151.39071.39093.62344.10843.40132.14731.07932.1650
C61.38292.40532.79042.41151.39092.36253.62033.86963.39042.14011.0795
F71.34072.35383.62034.10843.62342.36252.69674.47695.18774.49782.5879
F82.35381.34072.36253.62344.10843.62032.69672.58794.49785.18774.4769
H93.37402.12491.07952.16503.40133.86964.47692.58792.49384.29904.9486
H103.84723.37072.14011.07932.14733.39045.18774.49782.49382.47804.2990
H113.37073.84723.39042.14731.07932.14014.49785.18774.29902.47802.4938
H122.12493.37403.86963.40132.16501.07952.58794.47694.94864.29902.4938

picture of orthodifluorobenzene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 120.468 C1 C2 F8 119.215
C1 C6 C5 119.322 C1 C6 H12 118.774
C2 C1 C6 120.468 C2 C1 F7 119.215
C2 C3 C4 119.322 C2 C3 H9 118.774
C3 C2 F8 120.317 C3 C4 C5 120.210
C3 C4 H10 119.546 C4 C3 H9 121.904
C4 C5 C6 120.210 C4 C5 H11 120.244
C5 C4 H10 120.244 C5 C6 H12 121.904
C6 C1 F7 120.317 C6 C5 H11 119.546
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.234      
2 C 0.234      
3 C -0.204      
4 C -0.126      
5 C -0.126      
6 C -0.204      
7 F -0.194      
8 F -0.194      
9 H 0.151      
10 H 0.138      
11 H 0.138      
12 H 0.151      


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 2.699 2.699
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -46.596 0.000 0.000
y 0.000 -40.650 0.000
z 0.000 0.000 -44.543
Traceless
 xyz
x -4.000 0.000 0.000
y 0.000 4.919 0.000
z 0.000 0.000 -0.920
Polar
3z2-r2-1.840
x2-y2-5.946
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.009 0.000 0.000
y 0.000 11.344 0.000
z 0.000 0.000 11.651


<r2> (average value of r2) Å2
<r2> 229.276
(<r2>)1/2 15.142