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All results from a given calculation for CFClBrI (fluorochlorobromoiodomethane)

using model chemistry: mPW1PW91/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 mPW1PW91/STO-3G
 hartrees
Energy at 0K-9990.854764
Energy at 298.15K 
HF Energy-9990.854764
Nuclear repulsion energy885.300893
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 mPW1PW91/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 1287 1131 135.63 1.99 0.44 0.61
2 A 818 719 214.17 4.83 0.44 0.61
3 A 776 682 239.24 7.38 0.74 0.85
4 A 456 401 9.27 7.95 0.02 0.03
5 A 341 300 0.65 3.53 0.72 0.84
6 A 295 260 1.03 3.99 0.73 0.84
7 A 244 214 0.92 7.30 0.26 0.42
8 A 176 154 0.85 4.19 0.68 0.81
9 A 142 125 0.15 4.14 0.66 0.80

Unscaled Zero Point Vibrational Energy (zpe) 2267.3 cm-1
Scaled (by 0.8789) Zero Point Vibrational Energy (zpe) 1992.7 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 mPW1PW91/STO-3G
ABC
0.05677 0.02470 0.02009

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/STO-3G

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.445 0.431 0.397
F2 0.555 0.681 1.734
Cl3 0.746 2.075 -0.493
Br4 1.829 -0.843 -0.157
I5 -1.592 -0.273 -0.078

Atom - Atom Distances (Å)
  C1 F2 Cl3 Br4 I5
C11.36491.89421.96062.2064
F21.36492.63432.74202.9672
Cl31.89422.63433.13053.3399
Br41.96062.74203.13053.4687
I52.20642.96723.33993.4687

picture of fluorochlorobromoiodomethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
F2 C1 Cl3 106.733 F2 C1 Br4 109.784
F2 C1 I5 110.135 Cl3 C1 Br4 108.595
Cl3 C1 I5 108.839 Br4 C1 I5 112.566
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.036      
2 F -0.019      
3 Cl -0.149      
4 Br 0.057      
5 I 0.075      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.021 -1.113 1.041 1.524
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -63.910 -0.994 0.620
y -0.994 -66.923 1.163
z 0.620 1.163 -63.736
Traceless
 xyz
x 1.419 -0.994 0.620
y -0.994 -3.100 1.163
z 0.620 1.163 1.681
Polar
3z2-r23.363
x2-y23.013
xy-0.994
xz0.620
yz1.163


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.673 0.320 0.040
y 0.320 4.479 -0.180
z 0.040 -0.180 2.045


<r2> (average value of r2) Å2
<r2> 445.950
(<r2>)1/2 21.118