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 CH3CF3 (Ethane, 1,1,1-trifluoro-)

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 C3V 1A1
Energy calculated at BLYP/STO-3G
 hartrees
Energy at 0K-372.117744
Energy at 298.15K-372.121493
Nuclear repulsion energy190.165100
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 A1 3209 2969 0.11      
2 A1 1471 1361 3.09      
3 A1 1133 1048 116.08      
4 A1 768 711 2.76      
5 A1 501 464 6.95      
6 A2 121 112 0.00      
7 E 3383 3130 0.49      
7 E 3383 3130 0.49      
8 E 1617 1496 0.81      
8 E 1617 1496 0.81      
9 E 1279 1183 127.03      
9 E 1279 1183 127.03      
10 E 965 893 8.85      
10 E 965 893 8.85      
11 E 454 420 1.00      
11 E 454 420 1.00      
12 E 303 281 0.23      
12 E 303 281 0.23      

Unscaled Zero Point Vibrational Energy (zpe) 11603.1 cm-1
Scaled (by 0.9252) Zero Point Vibrational Energy (zpe) 10735.1 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
0.16178 0.15335 0.15335

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

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 1.570
C2 0.000 0.000 -0.049
H3 0.000 -1.044 1.942
H4 0.904 0.522 1.942
H5 -0.904 0.522 1.942
F6 0.000 1.331 -0.554
F7 -1.152 -0.665 -0.554
F8 1.152 -0.665 -0.554

Atom - Atom Distances (Å)
  C1 C2 H3 H4 H5 F6 F7 F8
C11.61861.10821.10821.10822.50612.50612.5061
C21.61862.24802.24802.24801.42321.42321.4232
H31.10822.24801.80781.80783.44492.77522.7752
H41.10822.24801.80781.80782.77523.44492.7752
H51.10822.24801.80781.80782.77522.77523.4449
F62.50611.42323.44492.77522.77522.30462.3046
F72.50611.42322.77523.44492.77522.30462.3046
F82.50611.42322.77522.77523.44492.30462.3046

picture of Ethane, 1,1,1-trifluoro- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 F6 110.785 C1 C2 F7 110.785
C1 C2 F8 110.785 C2 C1 H3 109.638
C2 C1 H4 109.638 C2 C1 H5 109.638
H3 C1 H4 109.304 H3 C1 H5 109.304
H4 C1 H5 109.304 F6 C2 F7 108.126
F6 C2 F8 108.126 F7 C2 F8 108.126
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 -0.241      
2 C 0.236      
3 H 0.084      
4 H 0.084      
5 H 0.084      
6 F -0.082      
7 F -0.082      
8 F -0.082      


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 0.947 0.947
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -24.583 0.000 0.000
y 0.000 -24.583 0.000
z 0.000 0.000 -23.223
Traceless
 xyz
x -0.680 0.000 0.000
y 0.000 -0.680 0.000
z 0.000 0.000 1.360
Polar
3z2-r22.721
x2-y20.000
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.113 0.000 0.000
y 0.000 2.113 0.000
z 0.000 0.000 2.101


<r2> (average value of r2) Å2
<r2> 100.539
(<r2>)1/2 10.027