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

using model chemistry: BLYP/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 BLYP/STO-3G
 hartrees
Energy at 0K-519.233810
Energy at 298.15K-519.235794
HF Energy-519.233810
Nuclear repulsion energy315.024504
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 BLYP/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' 3450 3192 30.76      
2 A' 1769 1637 49.64      
3 A' 1385 1281 5.89      
4 A' 1238 1145 85.03      
5 A' 1084 1003 67.19      
6 A' 1024 947 149.44      
7 A' 693 641 4.18      
8 A' 548 507 40.97      
9 A' 488 451 8.42      
10 A' 341 316 0.08      
11 A' 297 275 1.68      
12 A' 159 148 0.33      
13 A" 1207 1117 125.40      
14 A" 638 591 39.41      
15 A" 584 541 24.89      
16 A" 411 380 0.01      
17 A" 178 164 0.08      
18 A" 18 17 0.41      

Unscaled Zero Point Vibrational Energy (zpe) 7756.2 cm-1
Scaled (by 0.9252) Zero Point Vibrational Energy (zpe) 7176.1 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 BLYP/STO-3G
ABC
0.11364 0.07198 0.05992

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.101 0.650 0.000
C2 -0.345 -0.964 0.000
O3 0.871 -1.748 0.000
O4 -1.512 -1.451 0.000
F5 -1.065 1.453 0.000
F6 0.871 0.951 1.154
F7 0.871 0.951 -1.154
H8 0.490 -2.725 0.000

Atom - Atom Distances (Å)
  C1 C2 O3 O4 F5 F6 F7 H8
C11.67402.51832.64821.41641.42001.42003.3969
C21.67401.44731.26442.52212.54542.54541.9491
O32.51831.44732.40193.74152.93572.93571.0487
O42.64821.26442.40192.93803.57513.57512.3732
F51.41642.52213.74152.93802.30972.30974.4583
F61.42002.54542.93573.57512.30972.30833.8720
F71.42002.54542.93573.57512.30972.30833.8720
H83.39691.94911.04872.37324.45833.87203.8720

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 107.350 C1 C2 O4 128.102
C2 C1 F5 109.108 C2 C1 F6 110.445
C2 C1 F7 110.445 C2 O3 H8 101.483
O3 C2 O4 124.549 F5 C1 F6 109.035
F5 C1 F7 109.035 F6 C1 F7 108.742
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.225      
2 C 0.143      
3 O -0.179      
4 O -0.183      
5 F -0.065      
6 F -0.066      
7 F -0.066      
8 H 0.192      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.636 -0.943 0.000 1.137
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -35.753 -1.446 0.000
y -1.446 -27.503 0.000
z 0.000 0.000 -31.746
Traceless
 xyz
x -6.128 -1.446 0.000
y -1.446 6.246 0.000
z 0.000 0.000 -0.118
Polar
3z2-r2-0.237
x2-y2-8.250
xy-1.446
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.333 -0.005 0.000
y -0.005 3.892 0.000
z 0.000 0.000 1.746


<r2> (average value of r2) Å2
<r2> 185.120
(<r2>)1/2 13.606