return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

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

using model chemistry: B97D3/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 B97D3/TZVP
 hartrees
Energy at 0K-476.738890
Energy at 298.15K-476.742798
HF Energy-476.738890
Nuclear repulsion energy269.188631
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 B97D3/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' 3014 2970 17.15      
2 A' 1462 1441 3.26      
3 A' 1408 1388 5.96      
4 A' 1241 1223 161.08      
5 A' 1102 1086 295.69      
6 A' 1059 1044 103.03      
7 A' 802 791 19.09      
8 A' 641 632 30.36      
9 A' 529 521 6.29      
10 A' 396 391 0.58      
11 A' 217 214 3.20      
12 A" 3075 3031 13.52      
13 A" 1275 1257 72.87      
14 A" 1155 1138 138.04      
15 A" 939 926 99.26      
16 A" 516 509 0.80      
17 A" 342 337 1.22      
18 A" 104 103 5.90      

Unscaled Zero Point Vibrational Energy (zpe) 9638.7 cm-1
Scaled (by 0.9856) Zero Point Vibrational Energy (zpe) 9499.9 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 B97D3/TZVP
ABC
0.17402 0.09081 0.08947

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/TZVP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.367 0.187 0.000
C2 -1.162 0.246 0.000
F3 0.851 1.459 0.000
F4 0.851 -0.444 1.093
F5 0.851 -0.444 -1.093
F6 -1.692 -1.032 0.000
H7 -1.490 0.777 0.901
H8 -1.490 0.777 -0.901

Atom - Atom Distances (Å)
  C1 C2 F3 F4 F5 F6 H7 H8
C11.53061.36111.35211.35212.39382.14692.1469
C21.53062.35052.39272.39271.38421.09561.0956
F31.36112.35052.19552.19553.56072.59962.5996
F41.35212.39272.19552.18652.83032.64773.3088
F51.35212.39272.19552.18652.83033.30882.6477
F62.39381.38423.56072.83032.83032.03122.0312
H72.14691.09562.59962.64773.30882.03121.8011
H82.14691.09562.59963.30882.64772.03121.8011

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 110.323 C1 C2 H7 108.532
C1 C2 H8 108.532 C2 C1 F3 108.607
C2 C1 F4 112.053 C2 C1 F5 112.053
F3 C1 F4 108.033 F3 C1 F5 108.033
F4 C1 F5 107.910 F6 C2 H7 109.438
F6 C2 H8 109.438 H7 C2 H8 110.564
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.359      
2 C -0.006      
3 F -0.144      
4 F -0.132      
5 F -0.132      
6 F -0.198      
7 H 0.127      
8 H 0.127      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.325 1.565 0.000 2.051
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -32.536 -3.251 0.000
y -3.251 -33.745 0.000
z 0.000 0.000 -31.914
Traceless
 xyz
x 0.293 -3.251 0.000
y -3.251 -1.520 0.000
z 0.000 0.000 1.227
Polar
3z2-r22.454
x2-y21.209
xy-3.251
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.037 0.066 0.000
y 0.066 4.161 0.000
z 0.000 0.000 3.963


<r2> (average value of r2) Å2
<r2> 136.369
(<r2>)1/2 11.678