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

using model chemistry: B3LYP/STO-3G

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/STO-3G
 hartrees
Energy at 0K-519.356331
Energy at 298.15K-519.358570
HF Energy-519.356331
Nuclear repulsion energy319.622349
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/STO-3G
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' 3677 3282 15.75      
2 A' 1860 1660 58.74      
3 A' 1461 1304 5.28      
4 A' 1310 1169 70.89      
5 A' 1184 1056 87.80      
6 A' 1099 981 150.92      
7 A' 742 662 2.28      
8 A' 581 518 51.16      
9 A' 518 462 10.28      
10 A' 365 326 0.12      
11 A' 321 287 1.82      
12 A' 168 150 0.32      
13 A" 1276 1139 119.42      
14 A" 666 595 17.96      
15 A" 605 540 60.77      
16 A" 433 386 0.22      
17 A" 194 173 0.01      
18 A" 17 16 0.42      

Unscaled Zero Point Vibrational Energy (zpe) 8238.1 cm-1
Scaled (by 0.8924) Zero Point Vibrational Energy (zpe) 7351.7 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/STO-3G
ABC
0.11674 0.07424 0.06179

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/STO-3G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.098 0.636 0.000
C2 -0.328 -0.949 0.000
O3 0.858 -1.729 0.000
O4 -1.486 -1.418 0.000
F5 -1.057 1.426 0.000
F6 0.858 0.940 1.139
F7 0.858 0.940 -1.139
H8 0.491 -2.692 0.000

Atom - Atom Distances (Å)
  C1 C2 O3 O4 F5 F6 F7 H8
C11.64182.48432.59431.39951.40281.40283.3513
C21.64181.41951.24942.48512.50482.50481.9258
O32.48431.41952.36473.69122.90202.90201.0302
O42.59431.24942.36472.87703.51493.51492.3526
F51.39952.48513.69122.87702.28072.28074.4000
F61.40282.50482.90203.51492.28072.27853.8240
F71.40282.50482.90203.51492.28072.27853.8240
H83.35131.92581.03022.35264.40003.82403.8240

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 108.274 C1 C2 O4 127.090
C2 C1 F5 109.338 C2 C1 F6 110.473
C2 C1 F7 110.473 C2 O3 H8 102.495
O3 C2 O4 124.636 F5 C1 F6 108.953
F5 C1 F7 108.953 F6 C1 F7 108.616
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.276      
2 C 0.182      
3 O -0.208      
4 O -0.198      
5 F -0.086      
6 F -0.087      
7 F -0.087      
8 H 0.207      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.576 -1.147 0.000 1.283
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -36.269 -1.398 0.000
y -1.398 -27.642 0.000
z 0.000 0.000 -31.929
Traceless
 xyz
x -6.483 -1.398 0.000
y -1.398 6.457 0.000
z 0.000 0.000 0.027
Polar
3z2-r20.053
x2-y2-8.627
xy-1.398
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.150 -0.011 0.000
y -0.011 3.460 0.000
z 0.000 0.000 1.623


<r2> (average value of r2) Å2
<r2> 180.434
(<r2>)1/2 13.433