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

using model chemistry: B1B95/6-311G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B1B95/6-311G**
 hartrees
Energy at 0K-526.821927
Energy at 298.15K-526.825140
HF Energy-526.821927
Nuclear repulsion energy338.018424
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 B1B95/6-311G**
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' 3792 3640 92.40      
2 A' 1908 1832 293.37      
3 A' 1440 1382 43.82      
4 A' 1280 1229 134.45      
5 A' 1226 1177 250.56      
6 A' 1164 1118 323.48      
7 A' 807 775 4.71      
8 A' 672 645 81.29      
9 A' 590 567 9.43      
10 A' 427 410 0.11      
11 A' 389 374 2.03      
12 A' 231 221 1.28      
13 A" 1209 1161 313.84      
14 A" 797 765 44.24      
15 A" 604 580 103.30      
16 A" 507 487 2.43      
17 A" 235 226 0.04      
18 A" 25 24 1.46      

Unscaled Zero Point Vibrational Energy (zpe) 8650.6 cm-1
Scaled (by 0.9601) Zero Point Vibrational Energy (zpe) 8305.4 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 B1B95/6-311G**
ABC
0.12929 0.08385 0.06951

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/6-311G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.087 0.590 0.000
C2 -0.291 -0.902 0.000
O3 0.810 -1.646 0.000
O4 -1.415 -1.297 0.000
F5 -1.006 1.337 0.000
F6 0.810 0.887 1.082
F7 0.810 0.887 -1.082
H8 0.535 -2.573 0.000

Atom - Atom Distances (Å)
  C1 C2 O3 O4 F5 F6 F7 H8
C11.53882.35012.41141.32351.33491.33493.1943
C21.53881.32931.19142.35012.36312.36311.8640
O32.35011.32932.25273.49242.75462.75460.9667
O42.41141.19142.25272.66523.30043.30042.3306
F51.32352.35013.49242.66522.16122.16124.2023
F61.33492.36312.75463.30042.16122.16313.6356
F71.33492.36312.75463.30042.16122.16313.6356
H83.19431.86400.96672.33064.20233.63563.6356

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 109.835 C1 C2 O4 123.570
C2 C1 F5 110.148 C2 C1 F6 110.432
C2 C1 F7 110.432 C2 O3 H8 107.503
O3 C2 O4 126.595 F5 C1 F6 108.770
F5 C1 F7 108.770 F6 C1 F7 108.233
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.624      
2 C 0.247      
3 O -0.300      
4 O -0.293      
5 F -0.175      
6 F -0.190      
7 F -0.190      
8 H 0.277      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.999 -1.992 0.000 2.229
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -41.596 -2.649 0.000
y -2.649 -30.513 0.000
z 0.000 0.000 -36.386
Traceless
 xyz
x -8.146 -2.649 0.000
y -2.649 8.477 0.000
z 0.000 0.000 -0.331
Polar
3z2-r2-0.662
x2-y2-11.082
xy-2.649
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.600 -0.019 0.000
y -0.019 4.385 0.000
z 0.000 0.000 3.039


<r2> (average value of r2) Å2
<r2> 165.657
(<r2>)1/2 12.871