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All results from a given calculation for CF3COOH (trifluoroacetic acid)

using model chemistry: B3LYP/CEP-121G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B3LYP/CEP-121G
 hartrees
Energy at 0K-116.289295
Energy at 298.15K-116.292228
HF Energy-116.289295
Nuclear repulsion energy179.938685
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 B3LYP/CEP-121G
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A' 3627 3534 69.64      
2 A' 1713 1670 238.88      
3 A' 1369 1335 29.98      
4 A' 1177 1147 49.39      
5 A' 1114 1085 250.49      
6 A' 1050 1024 328.05      
7 A' 726 707 11.14      
8 A' 607 592 73.22      
9 A' 534 520 12.25      
10 A' 385 375 0.51      
11 A' 365 356 2.68      
12 A' 227 221 1.21      
13 A" 1085 1057 276.64      
14 A" 722 703 41.39      
15 A" 573 559 159.54      
16 A" 451 439 0.06      
17 A" 231 225 0.05      
18 A" 37 36 1.66      

Unscaled Zero Point Vibrational Energy (zpe) 7996.0 cm-1
Scaled (by 0.9745) Zero Point Vibrational Energy (zpe) 7792.1 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 B3LYP/CEP-121G
ABC
0.11887 0.07856 0.06512

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/CEP-121G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.084 0.586 0.000
C2 -0.304 -0.924 0.000
O3 0.841 -1.686 0.000
O4 -1.466 -1.342 0.000
F5 -1.053 1.388 0.000
F6 0.841 0.912 1.133
F7 0.841 0.912 -1.133
H8 0.644 -2.651 0.000

Atom - Atom Distances (Å)
  C1 C2 O3 O4 F5 F6 F7 H8
C11.55962.39482.47441.39121.40081.40083.2848
C21.55961.37511.23502.43052.44262.44261.9695
O32.39481.37512.33263.61042.83412.83410.9845
O42.47441.23502.33262.76143.41883.41882.4830
F51.39122.43053.61042.76142.25752.25754.3805
F61.40082.44262.83413.41882.25752.26583.7435
F71.40082.44262.83413.41882.25752.26583.7435
H83.28481.96950.98452.48304.38053.74353.7435

picture of trifluoroacetic acid state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 O3 109.218 C1 C2 O4 124.193
C2 C1 F5 110.780 C2 C1 F6 111.083
C2 C1 F7 111.083 C2 O3 H8 112.100
O3 C2 O4 126.590 F5 C1 F6 107.908
F5 C1 F7 107.908 F6 C1 F7 107.942
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/CEP-121G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.341      
2 C 0.002      
3 O -0.321      
4 O -0.069      
5 F -0.110      
6 F -0.126      
7 F -0.126      
8 H 0.408      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.880 -2.793 0.000 2.928
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -44.633 -3.131 0.000
y -3.131 -31.243 0.000
z 0.000 0.000 -38.450
Traceless
 xyz
x -9.786 -3.131 0.000
y -3.131 10.299 0.000
z 0.000 0.000 -0.512
Polar
3z2-r2-1.024
x2-y2-13.390
xy-3.131
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.217 -0.033 0.000
y -0.033 4.636 0.000
z 0.000 0.000 3.313


<r2> (average value of r2) Å2
<r2> 142.194
(<r2>)1/2 11.925