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

using model chemistry: B1B95/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B1B95/3-21G
 hartrees
Energy at 0K-523.774984
Energy at 298.15K-523.778028
HF Energy-523.774984
Nuclear repulsion energy333.854376
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 B1B95/3-21G
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' 3535 3382 52.44      
2 A' 1838 1758 181.21      
3 A' 1422 1360 25.98      
4 A' 1307 1251 140.90      
5 A' 1226 1172 167.87      
6 A' 1107 1059 272.68      
7 A' 772 739 3.90      
8 A' 639 612 70.68      
9 A' 569 544 19.66      
10 A' 411 393 0.18      
11 A' 376 360 2.36      
12 A' 210 201 1.32      
13 A" 1265 1211 238.03      
14 A" 774 740 28.93      
15 A" 615 589 158.42      
16 A" 480 459 0.23      
17 A" 219 210 0.02      
18 A" 19 18 1.25      

Unscaled Zero Point Vibrational Energy (zpe) 8391.9 cm-1
Scaled (by 0.9567) Zero Point Vibrational Energy (zpe) 8028.5 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 B1B95/3-21G
ABC
0.12395 0.08341 0.06853

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/3-21G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.087 0.582 0.000
C2 -0.307 -0.887 0.000
O3 0.829 -1.626 0.000
O4 -1.442 -1.313 0.000
F5 -1.035 1.342 0.000
F6 0.829 0.881 1.101
F7 0.829 0.881 -1.101
H8 0.607 -2.595 0.000

Atom - Atom Distances (Å)
  C1 C2 O3 O4 F5 F6 F7 H8
C11.52022.32962.43521.35531.36131.36133.2186
C21.52021.35581.21312.34452.37262.37261.9370
O32.32961.35582.29323.50532.73892.73890.9935
O42.43521.21312.29322.68643.34533.34532.4167
F51.35532.34453.50532.68642.21372.21374.2653
F61.36132.37262.73893.34532.21372.20193.6531
F71.36132.37262.73893.34532.21372.20193.6531
H83.21861.93700.99352.41674.26533.65313.6531

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 108.058 C1 C2 O4 125.613
C2 C1 F5 109.107 C2 C1 F6 110.729
C2 C1 F7 110.729 C2 O3 H8 110.121
O3 C2 O4 126.328 F5 C1 F6 109.148
F5 C1 F7 109.148 F6 C1 F7 107.946
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.822      
2 C 0.558      
3 O -0.550      
4 O -0.433      
5 F -0.266      
6 F -0.265      
7 F -0.265      
8 H 0.401      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.835 -2.226 0.000 2.377
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -41.745 -2.721 0.000
y -2.721 -29.685 0.000
z 0.000 0.000 -36.196
Traceless
 xyz
x -8.804 -2.721 0.000
y -2.721 9.286 0.000
z 0.000 0.000 -0.481
Polar
3z2-r2-0.963
x2-y2-12.060
xy-2.721
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.012 -0.087 0.000
y -0.087 3.662 0.000
z 0.000 0.000 2.254


<r2> (average value of r2) Å2
<r2> 168.010
(<r2>)1/2 12.962