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

using model chemistry: MP2=FULL/6-31+G**

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=FULL/6-31+G**
 hartrees
Energy at 0K-475.668539
Energy at 298.15K-475.672575
Nuclear repulsion energy270.802726
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=FULL/6-31+G**
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' 3180 2987 10.78      
2 A' 1545 1451 7.24      
3 A' 1483 1393 17.20      
4 A' 1334 1253 128.37      
5 A' 1193 1120 297.16      
6 A' 1113 1045 88.91      
7 A' 850 798 22.97      
8 A' 659 619 33.31      
9 A' 542 509 9.22      
10 A' 409 384 0.77      
11 A' 219 206 3.60      
12 A" 3262 3064 4.37      
13 A" 1335 1254 122.64      
14 A" 1218 1144 108.04      
15 A" 1000 939 74.31      
16 A" 523 491 2.42      
17 A" 355 333 1.63      
18 A" 120 113 6.75      

Unscaled Zero Point Vibrational Energy (zpe) 10169.1 cm-1
Scaled (by 0.9392) Zero Point Vibrational Energy (zpe) 9550.8 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=FULL/6-31+G**
ABC
0.17555 0.09249 0.09128

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/6-31+G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.355 0.194 0.000
C2 -1.155 0.245 0.000
F3 0.838 1.463 0.000
F4 0.838 -0.436 1.091
F5 0.838 -0.436 -1.091
F6 -1.648 -1.053 0.000
H7 -1.493 0.757 0.897
H8 -1.493 0.757 -0.897

Atom - Atom Distances (Å)
  C1 C2 F3 F4 F5 F6 H7 H8
C11.51041.35771.34891.34892.35912.12942.1294
C21.51042.33562.37112.37111.38831.08661.0866
F31.35772.33562.18992.18993.53672.59542.5954
F41.34892.37112.18992.18112.78332.62513.2869
F51.34892.37112.18992.18112.78333.28692.6251
F62.35911.38833.53672.78332.78332.02562.0256
H72.12941.08662.59542.62513.28692.02561.7937
H82.12941.08662.59543.28692.62512.02561.7937

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 108.877 C1 C2 H7 109.074
C1 C2 H8 109.074 C2 C1 F3 108.928
C2 C1 F4 111.925 C2 C1 F5 111.925
F3 C1 F4 108.013 F3 C1 F5 108.013
F4 C1 F5 107.888 F6 C2 H7 109.263
F6 C2 H8 109.263 H7 C2 H8 111.254
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability