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 CH2FCH2CH2F (1,3-difluoropropane)

using model chemistry: CID/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 CID/6-31G
 hartrees
Energy at 0K-316.336323
Energy at 298.15K 
HF Energy-315.864894
Nuclear repulsion energy185.794307
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 CID/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 3237 3027 24.71      
2 A 3173 2967 1.69      
3 A 3125 2922 9.27      
4 A 1614 1509 0.50      
5 A 1572 1470 7.40      
6 A 1499 1402 9.16      
7 A 1369 1281 0.22      
8 A 1274 1192 1.20      
9 A 1164 1089 8.41      
10 A 1017 951 40.52      
11 A 907 848 0.63      
12 A 557 521 4.26      
13 A 257 240 7.38      
14 A 89 83 6.47      
15 B 3236 3026 21.59      
16 B 3177 2971 45.14      
17 B 3163 2958 23.61      
18 B 1615 1510 3.29      
19 B 1492 1395 2.81      
20 B 1470 1374 13.68      
21 B 1277 1194 7.41      
22 B 1186 1110 11.51      
23 B 1128 1055 47.43      
24 B 995 930 44.09      
25 B 826 772 4.93      
26 B 417 390 10.99      
27 B 194 182 17.88      

Unscaled Zero Point Vibrational Energy (zpe) 20513.7 cm-1
Scaled (by 0.9352) Zero Point Vibrational Energy (zpe) 19184.5 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 CID/6-31G
ABC
0.29100 0.09789 0.09170

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

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.997
C2 0.000 1.263 0.149
C3 0.000 -1.263 0.149
F4 1.215 1.278 -0.637
F5 -1.215 -1.278 -0.637
H6 0.884 -0.003 1.643
H7 -0.884 0.003 1.643
H8 -0.833 1.278 -0.553
H9 0.002 2.169 0.756
H10 0.833 -1.278 -0.553
H11 -0.002 -2.169 0.756

Atom - Atom Distances (Å)
  C1 C2 C3 F4 F5 H6 H7 H8 H9 H10 H11
C11.52221.52222.40422.40421.09501.09502.17472.18212.17472.1821
C21.52222.52701.44692.92442.14962.14561.08891.09012.76463.4855
C31.52222.52702.92441.44692.14562.14962.76463.48551.08891.0901
F42.40421.44692.92443.52692.63603.35112.04992.05072.58543.9114
F52.40422.92441.44693.52693.35112.63602.58543.91142.04992.0507
H61.09502.14962.14562.63603.35111.76873.06782.50672.53932.5023
H71.09502.14562.14963.35112.63601.76872.53932.50233.06782.5067
H82.17471.08892.76462.04992.58543.06782.53931.78973.05043.7790
H92.18211.09013.48552.05073.91142.50672.50231.78973.77904.3374
H102.17472.76461.08892.58542.04992.53933.06783.05043.77901.7897
H112.18213.48551.09013.91142.05072.50232.50673.77904.33741.7897

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 108.112 C1 C2 H8 111.714
C1 C2 H9 112.247 C1 C3 F5 108.112
C1 C3 H10 111.714 C1 C3 H11 112.247
C2 C1 C3 112.210 C2 C1 H6 109.352
C2 C1 H7 109.045 C3 C1 H6 109.045
C3 C1 H7 109.352 F4 C2 H8 107.026
F4 C2 H9 107.020 F5 C3 H10 107.026
F5 C3 H11 107.020 H6 C1 H7 107.732
H8 C2 H9 110.442 H10 C3 H11 110.442
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability