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

using model chemistry: MP2/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 MP2/cc-pVDZ
 hartrees
Energy at 0K-475.688748
Energy at 298.15K-475.692807
Nuclear repulsion energy271.594178
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/cc-pVDZ
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' 3132 2984 14.76      
2 A' 1500 1428 9.88      
3 A' 1478 1408 32.77      
4 A' 1338 1274 156.99      
5 A' 1229 1170 281.80      
6 A' 1140 1086 84.38      
7 A' 856 815 19.11      
8 A' 670 638 32.45      
9 A' 555 528 9.57      
10 A' 414 394 0.71      
11 A' 215 205 3.36      
12 A" 3208 3056 14.55      
13 A" 1338 1275 160.59      
14 A" 1227 1169 75.94      
15 A" 994 946 58.34      
16 A" 537 511 3.01      
17 A" 352 336 0.89      
18 A" 109 104 5.39      

Unscaled Zero Point Vibrational Energy (zpe) 10145.3 cm-1
Scaled (by 0.9525) Zero Point Vibrational Energy (zpe) 9663.4 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 MP2/cc-pVDZ
ABC
0.17686 0.09287 0.09161

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.360 0.193 0.000
C2 -1.154 0.240 0.000
F3 0.837 1.454 0.000
F4 0.837 -0.436 1.085
F5 0.837 -0.436 -1.085
F6 -1.652 -1.043 0.000
H7 -1.487 0.774 0.902
H8 -1.487 0.774 -0.902

Atom - Atom Distances (Å)
  C1 C2 F3 F4 F5 F6 H7 H8
C11.51491.34861.34191.34192.36162.13702.1370
C21.51492.33232.36612.36611.37571.10051.1005
F31.34862.33232.17972.17973.52602.58462.5846
F41.34192.36612.17972.17072.78272.62733.2892
F51.34192.36612.17972.17072.78273.28922.6273
F62.36161.37573.52602.78272.78272.03532.0353
H72.13701.10052.58462.62733.28922.03531.8041
H82.13701.10052.58463.28922.62732.03531.8041

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 109.474 C1 C2 H7 108.547
C1 C2 H8 108.547 C2 C1 F3 108.935
C2 C1 F4 111.692 C2 C1 F5 111.692
F3 C1 F4 108.219 F3 C1 F5 108.219
F4 C1 F5 107.966 F6 C2 H7 110.065
F6 C2 H8 110.065 H7 C2 H8 110.106
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability