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

using model chemistry: mPW1PW91/6-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at mPW1PW91/6-31G
 hartrees
Energy at 0K-526.500584
Energy at 298.15K-526.503727
HF Energy-526.500584
Nuclear repulsion energy331.872404
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 mPW1PW91/6-31G
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' 3684 3487 84.83      
2 A' 1817 1720 221.28      
3 A' 1446 1369 35.95      
4 A' 1267 1199 105.28      
5 A' 1211 1146 213.72      
6 A' 1123 1063 294.14      
7 A' 777 736 8.91      
8 A' 645 611 75.93      
9 A' 570 539 14.82      
10 A' 412 390 0.51      
11 A' 390 369 2.47      
12 A' 238 225 1.31      
13 A" 1203 1139 262.00      
14 A" 770 729 39.60      
15 A" 613 581 173.38      
16 A" 477 451 0.00      
17 A" 239 226 0.02      
18 A" 37 35 1.68      

Unscaled Zero Point Vibrational Energy (zpe) 8458.5 cm-1
Scaled (by 0.9466) Zero Point Vibrational Energy (zpe) 8006.8 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 mPW1PW91/6-31G
ABC
0.12267 0.08204 0.06782

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.083 0.578 0.000
C2 -0.293 -0.896 0.000
O3 0.828 -1.649 0.000
O4 -1.439 -1.313 0.000
F5 -1.043 1.355 0.000
F6 0.828 0.890 1.114
F7 0.828 0.890 -1.114
H8 0.630 -2.607 0.000

Atom - Atom Distances (Å)
  C1 C2 O3 O4 F5 F6 F7 H8
C11.52152.34902.42741.36711.37641.37643.2316
C21.52151.35031.21952.37252.38522.38521.9436
O32.34901.35032.29173.53882.77322.77320.9776
O42.42741.21952.29172.69703.35193.35192.4401
F51.36712.37253.53882.69702.22642.22644.3000
F61.37642.38522.77323.35192.22642.22843.6754
F71.37642.38522.77323.35192.22642.22843.6754
H83.23161.94360.97762.44014.30003.67543.6754

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 109.612 C1 C2 O4 124.275
C2 C1 F5 110.320 C2 C1 F6 110.687
C2 C1 F7 110.687 C2 O3 H8 112.217
O3 C2 O4 126.113 F5 C1 F6 108.487
F5 C1 F7 108.487 F6 C1 F7 108.095
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.811      
2 C 0.455      
3 O -0.546      
4 O -0.356      
5 F -0.264      
6 F -0.265      
7 F -0.265      
8 H 0.430      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.920 -2.510 0.000 2.673
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -43.289 -3.031 0.000
y -3.031 -30.339 0.000
z 0.000 0.000 -37.236
Traceless
 xyz
x -9.501 -3.031 0.000
y -3.031 9.923 0.000
z 0.000 0.000 -0.422
Polar
3z2-r2-0.844
x2-y2-12.950
xy-3.031
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.583 -0.063 0.000
y -0.063 3.911 0.000
z 0.000 0.000 2.664


<r2> (average value of r2) Å2
<r2> 170.509
(<r2>)1/2 13.058