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

using model chemistry: mPW1PW91/6-31+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 mPW1PW91/6-31+G**
 hartrees
Energy at 0K-526.694852
Energy at 298.15K-526.698059
HF Energy-526.694852
Nuclear repulsion energy336.823055
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 mPW1PW91/6-31+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' 3815 3632 108.76      
2 A' 1906 1814 315.02      
3 A' 1447 1378 48.79      
4 A' 1283 1222 151.68      
5 A' 1223 1164 233.22      
6 A' 1172 1115 299.00      
7 A' 807 768 5.12      
8 A' 669 636 79.38      
9 A' 588 559 9.06      
10 A' 423 403 0.04      
11 A' 390 371 2.03      
12 A' 236 225 1.49      
13 A" 1210 1152 314.48      
14 A" 794 756 42.23      
15 A" 605 575 108.87      
16 A" 504 480 1.76      
17 A" 242 230 0.04      
18 A" 27 25 1.72      

Unscaled Zero Point Vibrational Energy (zpe) 8670.2 cm-1
Scaled (by 0.9518) Zero Point Vibrational Energy (zpe) 8252.3 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 mPW1PW91/6-31+G**
ABC
0.12853 0.08314 0.06900

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/6-31+G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.086 0.592 0.000
C2 -0.290 -0.906 0.000
O3 0.812 -1.652 0.000
O4 -1.420 -1.304 0.000
F5 -1.008 1.344 0.000
F6 0.812 0.890 1.086
F7 0.812 0.890 -1.086
H8 0.545 -2.583 0.000

Atom - Atom Distances (Å)
  C1 C2 O3 O4 F5 F6 F7 H8
C11.54482.35862.42181.32741.33951.33953.2084
C21.54481.33011.19852.36202.37062.37061.8732
O32.35861.33012.25893.50522.76462.76460.9688
O42.42181.19852.25892.68003.31303.31302.3446
F51.32742.36203.50522.68002.16682.16684.2230
F61.33952.37062.76463.31302.16682.17163.6492
F71.33952.37062.76463.31302.16682.17163.6492
H83.20841.87320.96882.34464.22303.64923.6492

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 110.024 C1 C2 O4 123.471
C2 C1 F5 110.415 C2 C1 F6 110.347
C2 C1 F7 110.347 C2 O3 H8 108.108
O3 C2 O4 126.504 F5 C1 F6 108.681
F5 C1 F7 108.681 F6 C1 F7 108.312
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.895      
2 C 0.373      
3 O -0.429      
4 O -0.398      
5 F -0.289      
6 F -0.272      
7 F -0.272      
8 H 0.393      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.092 -2.044 0.000 2.318
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -42.522 -2.836 0.000
y -2.836 -31.079 0.000
z 0.000 0.000 -37.205
Traceless
 xyz
x -8.380 -2.836 0.000
y -2.836 8.784 0.000
z 0.000 0.000 -0.405
Polar
3z2-r2-0.810
x2-y2-11.443
xy-2.836
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.585 0.035 0.000
y 0.035 5.221 0.000
z 0.000 0.000 3.891


<r2> (average value of r2) Å2
<r2> 167.212
(<r2>)1/2 12.931