return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

All results from a given calculation for CFClBrI (fluorochlorobromoiodomethane)

using model chemistry: BLYP/STO-3G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at BLYP/STO-3G
 hartrees
Energy at 0K-9989.708289
Energy at 298.15K 
HF Energy-9989.708289
Nuclear repulsion energy866.002539
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 BLYP/STO-3G
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A 1232 1139 126.27 1.27 0.75 0.86
2 A 722 668 225.44 3.06 0.34 0.50
3 A 678 627 242.60 5.05 0.63 0.77
4 A 416 385 8.26 8.44 0.02 0.04
5 A 317 293 1.59 4.07 0.75 0.86
6 A 272 252 2.31 4.39 0.74 0.85
7 A 221 204 0.82 8.58 0.25 0.40
8 A 159 147 0.50 5.01 0.66 0.79
9 A 131 121 0.10 4.88 0.66 0.79

Unscaled Zero Point Vibrational Energy (zpe) 2073.6 cm-1
Scaled (by 0.9252) Zero Point Vibrational Energy (zpe) 1918.5 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 BLYP/STO-3G
ABC
0.05426 0.02365 0.01919

See section I.F.4 to change rotational constant units
Geometric Data calculated at BLYP/STO-3G

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.459 0.430 0.413
F2 0.570 0.685 1.763
Cl3 0.771 2.130 -0.497
Br4 1.867 -0.865 -0.162
I5 -1.629 -0.277 -0.080

Atom - Atom Distances (Å)
  C1 F2 Cl3 Br4 I5
C11.37881.95311.99762.2585
F21.37882.69022.79123.0260
Cl31.95312.69023.20673.4242
Br41.99762.79123.20673.5458
I52.25853.02603.42423.5458

picture of fluorochlorobromoiodomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
F2 C1 Cl3 106.411 F2 C1 Br4 110.173
F2 C1 I5 110.242 Cl3 C1 Br4 108.517
Cl3 C1 I5 108.573 Br4 C1 I5 112.699
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.018      
2 F 0.017      
3 Cl -0.159      
4 Br 0.062      
5 I 0.062      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.071 -1.257 1.281 1.796
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -63.335 -1.166 0.774
y -1.166 -66.862 1.378
z 0.774 1.378 -63.121
Traceless
 xyz
x 1.657 -1.166 0.774
y -1.166 -3.634 1.378
z 0.774 1.378 1.978
Polar
3z2-r23.955
x2-y23.527
xy-1.166
xz0.774
yz1.378


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.508 0.355 0.035
y 0.355 5.038 -0.210
z 0.035 -0.210 2.225


<r2> (average value of r2) Å2
<r2> 464.301
(<r2>)1/2 21.548