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All results from a given calculation for CH3CF3 (Ethane, 1,1,1-trifluoro-)

using model chemistry: PBEPBEultrafine/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C3V 1A1
Energy calculated at PBEPBEultrafine/6-31G*
 hartrees
Energy at 0K-377.170636
Energy at 298.15K-377.175142
HF Energy-377.170636
Nuclear repulsion energy199.335440
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 PBEPBEultrafine/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 A1 3026 2976 0.89      
2 A1 1405 1382 76.68      
3 A1 1258 1237 155.88      
4 A1 813 800 4.18      
5 A1 576 567 17.48      
6 A2 243 239 0.00      
7 E 3115 3063 5.38      
7 E 3115 3063 5.38      
8 E 1467 1443 0.16      
8 E 1467 1443 0.16      
9 E 1228 1208 221.93      
9 E 1228 1208 221.93      
10 E 954 938 48.06      
10 E 954 938 48.06      
11 E 514 506 0.42      
11 E 514 506 0.42      
12 E 346 340 0.62      
12 E 346 340 0.62      

Unscaled Zero Point Vibrational Energy (zpe) 11284.2 cm-1
Scaled (by 0.9835) Zero Point Vibrational Energy (zpe) 11098.0 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 PBEPBEultrafine/6-31G*
ABC
0.17795 0.16967 0.16967

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

Point Group is C3v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 1.481
C2 0.000 0.000 -0.029
H3 0.000 -1.036 1.851
H4 0.897 0.518 1.851
H5 -0.897 0.518 1.851
F6 0.000 1.267 -0.528
F7 -1.097 -0.633 -0.528
F8 1.097 -0.633 -0.528

Atom - Atom Distances (Å)
  C1 C2 H3 H4 H5 F6 F7 F8
C11.50971.10001.10001.10002.37532.37532.3753
C21.50972.14622.14622.14621.36181.36181.3618
H31.10002.14621.79421.79423.31112.65062.6506
H41.10002.14621.79421.79422.65063.31112.6506
H51.10002.14621.79421.79422.65062.65063.3111
F62.37531.36183.31112.65062.65062.19442.1944
F72.37531.36182.65063.31112.65062.19442.1944
F82.37531.36182.65062.65063.31112.19442.1944

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 111.513 C1 C2 F7 111.513
C1 C2 F8 111.513 C2 C1 H3 109.654
C2 C1 H4 109.654 C2 C1 H5 109.654
H3 C1 H4 109.288 H3 C1 H5 109.288
H4 C1 H5 109.288 F6 C2 F7 107.354
F6 C2 F8 107.354 F7 C2 F8 107.354
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBEultrafine/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.581      
2 C 0.709      
3 H 0.194      
4 H 0.194      
5 H 0.194      
6 F -0.237      
7 F -0.237      
8 F -0.237      


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 1.923 1.923
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -27.427 0.000 0.000
y 0.000 -27.424 -0.001
z 0.000 -0.001 -25.115
Traceless
 xyz
x -1.158 0.000 0.000
y 0.000 -1.153 -0.001
z 0.000 -0.001 2.311
Polar
3z2-r24.622
x2-y2-0.003
xy0.000
xz0.000
yz-0.001


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.551 0.000 0.000
y 0.000 3.549 -0.001
z 0.000 -0.001 3.627


<r2> (average value of r2) Å2
<r2> 94.182
(<r2>)1/2 9.705