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 CH3CHFCH3 (2-Fluoropropane)

using model chemistry: QCISD(T)=FULL/aug-cc-pVDZ

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(T)=FULL/aug-cc-pVDZ
 hartrees
Energy at 0K-217.883411
Energy at 298.15K-217.891216
HF Energy-217.147418
Nuclear repulsion energy131.367477
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(T)=FULL/aug-cc-pVDZ
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' 3126 3033        
2 A' 3114 3021        
3 A' 3053 2962        
4 A' 3030 2939        
5 A' 1491 1447        
6 A' 1472 1428        
7 A' 1401 1359        
8 A' 1349 1308        
9 A' 1190 1155        
10 A' 1130 1096        
11 A' 947 919        
12 A' 815 791        
13 A' 469 455        
14 A' 349 338        
15 A' 254 247        
16 A" 3123 3030        
17 A" 3108 3015        
18 A" 3026 2936        
19 A" 1468 1424        
20 A" 1463 1419        
21 A" 1406 1364        
22 A" 1359 1318        
23 A" 1166 1131        
24 A" 932 904        
25 A" 919 891        
26 A" 403 391        
27 A" 209 203        

Unscaled Zero Point Vibrational Energy (zpe) 20885.6 cm-1
Scaled (by 0.9701) Zero Point Vibrational Energy (zpe) 20261.1 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 QCISD(T)=FULL/aug-cc-pVDZ
ABC
0.28433 0.26652 0.15727

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD(T)=FULL/aug-cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.287 0.244 0.000
F2 -0.893 1.044 0.000
H3 1.130 0.960 0.000
C4 0.287 -0.587 1.278
C5 0.287 -0.587 -1.278
H6 1.214 -1.186 1.337
H7 1.214 -1.186 -1.337
H8 0.234 0.068 2.164
H9 0.234 0.068 -2.164
H10 -0.579 -1.271 1.286
H11 -0.579 -1.271 -1.286

Atom - Atom Distances (Å)
  C1 F2 H3 C4 C5 H6 H7 H8 H9 H10 H11
C11.42621.10561.52431.52432.16612.16612.17172.17172.16792.1679
F21.42622.02502.38472.38473.34683.34682.62812.62812.66662.6666
H31.10562.02502.17612.17612.53002.53002.50622.50623.09053.0905
C41.52432.38472.17612.55601.10492.83841.10263.50391.10422.7917
C51.52432.38472.17612.55602.83841.10493.50391.10262.79171.1042
H62.16613.34682.53001.10492.83842.67441.79303.84561.79573.1786
H72.16613.34682.53002.83841.10492.67443.84561.79303.17861.7957
H82.17172.62812.50621.10263.50391.79303.84564.32771.79543.7888
H92.17172.62812.50623.50391.10263.84561.79304.32773.78881.7954
H102.16792.66663.09051.10422.79171.79573.17861.79543.78882.5721
H112.16792.66663.09052.79171.10423.17861.79573.78881.79542.5721

picture of 2-Fluoropropane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C4 H8 110.497 C1 C4 H10 110.105
C1 C5 H7 109.916 C1 C5 H9 110.497
C1 C5 H11 110.105 F2 C1 H3 105.533
F2 C1 C4 107.800 F2 C1 C5 107.800
H3 C1 C4 110.663 H3 C1 C5 110.663
C4 C1 C5 113.948 H7 C5 H9 108.631
H7 C5 H11 108.751 H8 C4 H10 108.899
H9 C5 H11 108.899
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability