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

using model chemistry: MP2/TZVP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP2/TZVP
 hartrees
Energy at 0K-475.940006
Energy at 298.15K-475.944099
HF Energy-474.845781
Nuclear repulsion energy272.048017
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 MP2/TZVP
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' 3144 2980 11.93      
2 A' 1528 1448 4.51      
3 A' 1489 1411 15.91      
4 A' 1335 1265 151.50      
5 A' 1208 1145 288.94      
6 A' 1130 1071 99.36      
7 A' 857 812 18.51      
8 A' 677 642 34.29      
9 A' 559 530 9.07      
10 A' 416 395 0.71      
11 A' 222 211 3.75      
12 A" 3219 3051 7.03      
13 A" 1344 1274 116.48      
14 A" 1235 1170 118.64      
15 A" 1001 949 73.34      
16 A" 544 515 2.40      
17 A" 359 340 1.20      
18 A" 110 104 6.68      

Unscaled Zero Point Vibrational Energy (zpe) 10187.7 cm-1
Scaled (by 0.9479) Zero Point Vibrational Energy (zpe) 9657.0 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 MP2/TZVP
ABC
0.17790 0.09289 0.09159

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/TZVP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.361 0.190 0.000
C2 -1.154 0.242 0.000
F3 0.839 1.448 0.000
F4 0.839 -0.435 1.082
F5 0.839 -0.435 -1.082
F6 -1.660 -1.036 0.000
H7 -1.483 0.765 0.896
H8 -1.483 0.765 -0.896

Atom - Atom Distances (Å)
  C1 C2 F3 F4 F5 F6 H7 H8
C11.51571.34541.33801.33802.36452.12892.1289
C21.51572.32952.36682.36681.37521.08811.0881
F31.34542.32952.17152.17153.52422.58102.5810
F41.33802.36682.17152.16352.78932.62053.2777
F51.33802.36682.17152.16352.78933.27772.6205
F62.36451.37523.52422.78932.78932.01962.0196
H72.12891.08812.58102.62053.27772.01961.7918
H82.12891.08812.58103.27772.62052.01961.7918

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 109.651 C1 C2 H7 108.576
C1 C2 H8 108.576 C2 C1 F3 108.870
C2 C1 F4 111.920 C2 C1 F5 111.920
F3 C1 F4 108.043 F3 C1 F5 108.043
F4 C1 F5 107.900 F6 C2 H7 109.587
F6 C2 H8 109.587 H7 C2 H8 110.839
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability