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All results from a given calculation for CH2FCH2CH2F (1,3-difluoropropane)

using model chemistry: CCSD/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2 1A
Energy calculated at CCSD/6-31G*
 hartrees
Energy at 0K-316.728916
Energy at 298.15K 
HF Energy-315.959695
Nuclear repulsion energy188.426011
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 CCSD/6-31G*
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 3158 2982 31.55      
2 A 3101 2928 5.52      
3 A 3079 2908 6.87      
4 A 1574 1486 0.39      
5 A 1522 1438 7.70      
6 A 1479 1397 13.28      
7 A 1340 1265 0.01      
8 A 1271 1201 0.79      
9 A 1156 1092 21.54      
10 A 1044 985 36.85      
11 A 908 857 0.07      
12 A 560 529 3.98      
13 A 257 243 4.24      
14 A 89 84 3.50      
15 B 3159 2983 35.09      
16 B 3127 2953 17.66      
17 B 3097 2925 63.07      
18 B 1577 1489 2.28      
19 B 1462 1380 13.29      
20 B 1433 1353 6.88      
21 B 1283 1211 6.97      
22 B 1165 1101 15.29      
23 B 1132 1069 78.63      
24 B 997 942 23.36      
25 B 805 760 2.13      
26 B 423 399 7.80      
27 B 210 199 12.13      

Unscaled Zero Point Vibrational Energy (zpe) 20204.1 cm-1
Scaled (by 0.9443) Zero Point Vibrational Energy (zpe) 19078.7 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 CCSD/6-31G*
ABC
0.29528 0.10225 0.09478

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

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 1.000
C2 0.000 1.255 0.148
C3 0.000 -1.255 0.148
F4 1.157 1.261 -0.642
F5 -1.157 -1.261 -0.642
H6 0.887 -0.002 1.647
H7 -0.887 0.002 1.647
H8 -0.865 1.275 -0.522
H9 0.007 2.162 0.763
H10 0.865 -1.275 -0.522
H11 -0.007 -2.162 0.763

Atom - Atom Distances (Å)
  C1 C2 C3 F4 F5 H6 H7 H8 H9 H10 H11
C11.51621.51622.37122.37121.09831.09832.16552.17502.16552.1750
C21.51622.50951.40082.87972.14782.14541.09471.09632.75613.4719
C31.51622.50952.87971.40082.14542.14782.75613.47191.09471.0963
F42.37121.40082.87973.42272.62833.31692.02532.02692.55553.8793
F52.37122.87971.40083.42273.31692.62832.55553.87932.02532.0269
H61.09832.14782.14542.62833.31691.77433.06712.49792.51522.4992
H71.09832.14542.14783.31692.62831.77432.51522.49923.06712.4979
H82.16551.09472.75612.02532.55553.06712.51521.78923.08113.7686
H92.17501.09633.47192.02693.87932.49792.49921.78923.76864.3244
H102.16552.75611.09472.55552.02532.51523.06713.08113.76861.7892
H112.17503.47191.09633.87932.02692.49922.49793.76864.32441.7892

picture of 1,3-difluoropropane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 F4 108.696 C1 C2 H8 111.041
C1 C2 H9 111.710 C1 C3 F5 108.696
C1 C3 H10 111.041 C1 C3 H11 111.710
C2 C1 C3 111.691 C2 C1 H6 109.425
C2 C1 H7 109.234 C3 C1 H6 109.234
C3 C1 H7 109.425 F4 C2 H8 107.873
F4 C2 H9 107.903 F5 C3 H10 107.873
F5 C3 H11 107.903 H6 C1 H7 107.746
H8 C2 H9 109.486 H10 C3 H11 109.486
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability