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All results from a given calculation for CF3CH2F (1,1,1,2-tetrafluoroethane)

using model chemistry: QCISD/cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at QCISD/cc-pVDZ
 hartrees
Energy at 0K-475.716761
Energy at 298.15K-475.720826
Nuclear repulsion energy271.704869
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 QCISD/cc-pVDZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A' 3108 2981 15.80      
2 A' 1499 1438 10.99      
3 A' 1481 1421 28.56      
4 A' 1344 1289 164.67      
5 A' 1246 1196 268.95      
6 A' 1140 1094 89.64      
7 A' 858 823 17.73      
8 A' 672 644 34.10      
9 A' 556 533 10.50      
10 A' 415 398 0.73      
11 A' 216 207 3.46      
12 A" 3174 3045 17.48      
13 A" 1347 1293 181.63      
14 A" 1232 1182 56.61      
15 A" 998 957 53.06      
16 A" 539 517 3.54      
17 A" 352 338 0.82      
18 A" 108 103 5.57      

Unscaled Zero Point Vibrational Energy (zpe) 10141.1 cm-1
Scaled (by 0.9594) Zero Point Vibrational Energy (zpe) 9729.4 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 QCISD/cc-pVDZ
ABC
0.17723 0.09290 0.09162

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD/cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.361 0.193 0.000
C2 -1.156 0.239 0.000
F3 0.838 1.452 0.000
F4 0.838 -0.434 1.084
F5 0.838 -0.434 -1.084
F6 -1.651 -1.044 0.000
H7 -1.493 0.773 0.904
H8 -1.493 0.773 -0.904

Atom - Atom Distances (Å)
  C1 C2 F3 F4 F5 F6 H7 H8
C11.51851.34641.34001.34002.36222.14282.1428
C21.51852.33422.36752.36751.37501.10271.1027
F31.34642.33422.17602.17603.52492.59012.5901
F41.34002.36752.17602.16812.78212.63083.2927
F51.34002.36752.17602.16812.78213.29272.6308
F62.36221.37503.52492.78212.78212.03592.0359
H72.14281.10272.59012.63083.29272.03591.8083
H82.14281.10272.59013.29272.63082.03591.8083

picture of 1,1,1,2-tetrafluoroethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 F6 109.346 C1 C2 H7 108.628
C1 C2 H8 108.628 C2 C1 F3 108.977
C2 C1 F4 111.681 C2 C1 F5 111.681
F3 C1 F4 108.196 F3 C1 F5 108.196
F4 C1 F5 107.992 F6 C2 H7 110.024
F6 C2 H8 110.024 H7 C2 H8 110.156
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability