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 CF2ClCFCl2 (Ethane, 1,1,2-trichloro-1,2,2-trifluoro-)

using model chemistry: B1B95/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at B1B95/6-31G*
 hartrees
Energy at 0K-1756.342211
Energy at 298.15K-1756.343912
HF Energy-1756.342211
Nuclear repulsion energy703.321740
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 B1B95/6-31G*
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 1266 1202 138.44      
2 A 1262 1198 117.98      
3 A 1188 1128 190.94      
4 A 1073 1018 86.82      
5 A 909 863 190.04      
6 A 813 772 302.49      
7 A 660 627 13.49      
8 A 535 508 4.47      
9 A 462 438 2.14      
10 A 438 416 0.20      
11 A 392 373 0.23      
12 A 349 331 0.39      
13 A 309 294 0.59      
14 A 286 272 0.18      
15 A 238 226 0.14      
16 A 189 179 1.11      
17 A 160 152 0.89      
18 A 65 62 0.11      

Unscaled Zero Point Vibrational Energy (zpe) 5296.9 cm-1
Scaled (by 0.9493) Zero Point Vibrational Energy (zpe) 5028.4 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 B1B95/6-31G*
ABC
0.05290 0.03669 0.02996

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/6-31G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.572 0.154 0.310
C2 -0.714 -0.531 -0.233
F3 0.451 0.247 1.639
Cl4 1.964 -0.870 -0.071
Cl5 0.763 1.764 -0.381
Cl6 -2.160 0.371 0.230
F7 -0.644 -0.627 -1.559
F8 -0.781 -1.757 0.287

Atom - Atom Distances (Å)
  C1 C2 F3 Cl4 Cl5 Cl6 F7 F8
C11.55511.33821.76931.76182.74202.36232.3416
C21.55512.33842.70372.73311.76651.33061.3330
F31.33822.33842.54162.54542.96983.49132.7130
Cl41.76932.70372.54162.91124.31703.01242.9064
Cl51.76182.73312.54542.91123.29503.01383.9018
Cl62.74201.76652.96984.31703.29502.54792.5363
F72.36231.33063.49133.01243.01382.54792.1684
F82.34161.33302.71302.90643.90182.53632.1684

picture of Ethane, 1,1,2-trichloro-1,2,2-trifluoro- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 Cl6 111.122 C1 C2 F7 109.652
C1 C2 F8 108.099 C2 C1 F3 107.610
C2 C1 Cl4 108.666 C2 C1 Cl5 110.821
F3 C1 Cl4 108.963 F3 C1 Cl5 109.630
Cl4 C1 Cl5 111.064 Cl6 C2 F7 109.904
Cl6 C2 F8 109.024 F7 C2 F8 108.991
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.010      
2 C 0.443      
3 F -0.210      
4 Cl 0.069      
5 Cl 0.079      
6 Cl 0.044      
7 F -0.215      
8 F -0.221      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.066 0.178 -0.131 0.230
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -61.788 -0.855 -0.579
y -0.855 -62.017 -0.151
z -0.579 -0.151 -63.608
Traceless
 xyz
x 1.024 -0.855 -0.579
y -0.855 0.681 -0.151
z -0.579 -0.151 -1.705
Polar
3z2-r2-3.410
x2-y20.229
xy-0.855
xz-0.579
yz-0.151


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 9.024 -1.354 -0.720
y -1.354 8.236 -0.257
z -0.720 -0.257 5.789


<r2> (average value of r2) Å2
<r2> 0.000
(<r2>)1/2 0.000