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

using model chemistry: HF/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 HF/TZVP
 hartrees
Energy at 0K-524.577375
Energy at 298.15K-524.580989
HF Energy-524.577375
Nuclear repulsion energy342.135248
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 HF/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' 4089 3715 156.81      
2 A' 2067 1878 399.64      
3 A' 1567 1423 79.07      
4 A' 1426 1295 223.95      
5 A' 1350 1227 228.72      
6 A' 1270 1154 395.84      
7 A' 883 802 2.87      
8 A' 742 674 97.76      
9 A' 653 593 11.88      
10 A' 473 430 0.09      
11 A' 425 386 2.45      
12 A' 263 239 1.36      
13 A" 1363 1238 347.50      
14 A" 880 799 52.43      
15 A" 620 563 125.88      
16 A" 556 505 19.84      
17 A" 272 247 0.36      
18 A" 43 39 2.00      

Unscaled Zero Point Vibrational Energy (zpe) 9468.9 cm-1
Scaled (by 0.9086) Zero Point Vibrational Energy (zpe) 8603.4 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 HF/TZVP
ABC
0.13377 0.08500 0.07072

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.086 0.594 0.000
C2 -0.287 -0.902 0.000
O3 0.795 -1.644 0.000
O4 -1.393 -1.287 0.000
F5 -0.986 1.330 0.000
F6 0.795 0.883 1.064
F7 0.795 0.883 -1.064
H8 0.557 -2.562 0.000

Atom - Atom Distances (Å)
  C1 C2 O3 O4 F5 F6 F7 H8
C11.54192.34772.39271.30051.31071.31073.1910
C21.54191.31201.17082.33912.34352.34351.8622
O32.34771.31202.21673.46672.74272.74270.9483
O42.39271.17082.21672.64843.26043.26042.3297
F51.30052.33913.46672.64842.12202.12204.1869
F61.31072.34352.74273.26042.12202.12753.6142
F71.31072.34352.74273.26042.12202.12753.6142
H83.19101.86220.94832.32974.18693.61423.6142

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 110.436 C1 C2 O4 123.194
C2 C1 F5 110.467 C2 C1 F6 110.210
C2 C1 F7 110.210 C2 O3 H8 109.907
O3 C2 O4 126.370 F5 C1 F6 108.704
F5 C1 F7 108.704 F6 C1 F7 108.495
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.623      
2 C 0.335      
3 O -0.324      
4 O -0.354      
5 F -0.193      
6 F -0.207      
7 F -0.207      
8 H 0.328      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.141 -2.048 0.000 2.344
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -43.047 -2.873 0.000
y -2.873 -31.124 0.000
z 0.000 0.000 -37.007
Traceless
 xyz
x -8.982 -2.873 0.000
y -2.873 8.903 0.000
z 0.000 0.000 0.079
Polar
3z2-r20.158
x2-y2-11.923
xy-2.873
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.586 0.093 0.000
y 0.093 4.140 0.000
z 0.000 0.000 3.155


<r2> (average value of r2) Å2
<r2> 163.487
(<r2>)1/2 12.786