return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

All results from a given calculation for CF3PH2 (phosphine, (trifluoromethyl)-)

using model chemistry: QCISD/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at QCISD/6-31+G**
 hartrees
Energy at 0K-678.874920
Energy at 298.15K-678.879022
HF Energy-678.070996
Nuclear repulsion energy250.284018
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 QCISD/6-31+G**
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' 2490 2354 42.88      
2 A' 1216 1149 204.10      
3 A' 1185 1121 271.90      
4 A' 1129 1067 21.32      
5 A' 858 811 57.63      
6 A' 741 701 1.84      
7 A' 513 485 2.31      
8 A' 423 400 19.31      
9 A' 282 267 0.53      
10 A" 2501 2364 53.23      
11 A" 1189 1124 208.73      
12 A" 869 822 51.89      
13 A" 514 486 3.47      
14 A" 272 257 1.36      
15 A" 180 171 2.88      

Unscaled Zero Point Vibrational Energy (zpe) 7181.3 cm-1
Scaled (by 0.9454) Zero Point Vibrational Energy (zpe) 6789.2 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 QCISD/6-31+G**
ABC
0.17884 0.10035 0.09974

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.370 -0.009 0.000
P2 -1.511 -0.099 0.000
F3 0.877 1.250 0.000
F4 0.877 -0.633 1.094
F5 0.877 -0.633 -1.094
H6 -1.625 0.844 -1.041
H7 -1.625 0.844 1.041

Atom - Atom Distances (Å)
  C1 P2 F3 F4 F5 H6 H7
C11.88261.35751.35811.35812.40582.4058
P21.88262.74292.68042.68041.40911.4091
F31.35752.74292.17832.17832.74032.7403
F41.35812.68042.17832.18753.60552.9060
F51.35812.68042.17832.18752.90603.6055
H62.40581.40912.74033.60552.90602.0823
H72.40581.40912.74032.90603.60552.0823

picture of phosphine, (trifluoromethyl)- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 P2 H6 92.789 C1 P2 H7 92.789
P2 C1 F3 114.708 P2 C1 F4 110.566
P2 C1 F5 110.566 F3 C1 F4 106.672
F3 C1 F5 106.672 F4 C1 F5 107.295
H6 P2 H7 95.267
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability