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

using model chemistry: PBEPBE/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at PBEPBE/3-21G
 hartrees
Energy at 0K-473.708438
Energy at 298.15K-473.712215
Nuclear repulsion energy265.891601
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 PBEPBE/3-21G
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' 3007 2979 15.85      
2 A' 1517 1503 3.13      
3 A' 1430 1417 1.06      
4 A' 1259 1248 160.09      
5 A' 1171 1160 193.33      
6 A' 1075 1065 28.33      
7 A' 797 790 10.76      
8 A' 605 599 22.41      
9 A' 502 497 12.20      
10 A' 375 372 0.88      
11 A' 186 185 3.22      
12 A" 3051 3023 22.88      
13 A" 1337 1325 85.40      
14 A" 1178 1167 67.46      
15 A" 991 982 45.67      
16 A" 483 479 3.42      
17 A" 314 311 0.72      
18 A" 113 112 4.72      

Unscaled Zero Point Vibrational Energy (zpe) 9695.3 cm-1
Scaled (by 0.9909) Zero Point Vibrational Energy (zpe) 9607.1 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 PBEPBE/3-21G
ABC
0.16713 0.08953 0.08829

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/3-21G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.367 0.185 0.000
C2 -1.147 0.260 0.000
F3 0.849 1.487 0.000
F4 0.849 -0.462 1.118
F5 0.849 -0.462 -1.118
F6 -1.703 -1.041 0.000
H7 -1.453 0.823 0.897
H8 -1.453 0.823 -0.897

Atom - Atom Distances (Å)
  C1 C2 F3 F4 F5 F6 H7 H8
C11.51611.38751.37891.37892.40652.12692.1269
C21.51612.34272.39872.39871.41491.10261.1026
F31.38752.34272.24712.24713.59202.55772.5577
F41.37892.39872.24712.23592.84522.64513.3180
F51.37892.39872.24712.23592.84523.31802.6451
F62.40651.41493.59202.84522.84522.08392.0839
H72.12691.10262.55772.64513.31802.08391.7946
H82.12691.10262.55773.31802.64512.08391.7946

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 110.330 C1 C2 H7 107.572
C1 C2 H8 107.572 C2 C1 F3 107.490
C2 C1 F4 111.815 C2 C1 F5 111.815
F3 C1 F4 108.643 F3 C1 F5 108.643
F4 C1 F5 108.344 F6 C2 H7 111.141
F6 C2 H8 111.141 H7 C2 H8 108.947
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.686      
2 C -0.192      
3 F -0.243      
4 F -0.235      
5 F -0.235      
6 F -0.245      
7 H 0.232      
8 H 0.232      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.053 1.424 0.000 1.771
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -31.936 -2.828 0.000
y -2.828 -32.494 0.000
z 0.000 0.000 -31.146
Traceless
 xyz
x -0.116 -2.828 0.000
y -2.828 -0.953 0.000
z 0.000 0.000 1.069
Polar
3z2-r22.138
x2-y20.558
xy-2.828
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.925 0.032 0.000
y 0.032 3.265 0.000
z 0.000 0.000 3.094


<r2> (average value of r2) Å2
<r2> 137.943
(<r2>)1/2 11.745