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

using model chemistry: CCSD(T)/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(T)/6-31G**
 hartrees
Energy at 0K-316.798253
Energy at 298.15K 
HF Energy-315.969817
Nuclear repulsion energy188.580364
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(T)/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 3179 3015        
2 A 3118 2957        
3 A 3101 2941        
4 A 1568 1488        
5 A 1515 1437        
6 A 1475 1399        
7 A 1335 1266        
8 A 1266 1201        
9 A 1147 1088        
10 A 1034 981        
11 A 900 854        
12 A 555 526        
13 A 251 238        
14 A 87 82        
15 B 3180 3017        
16 B 3155 2993        
17 B 3114 2954        
18 B 1571 1490        
19 B 1453 1378        
20 B 1426 1353        
21 B 1278 1212        
22 B 1158 1098        
23 B 1120 1063        
24 B 988 937        
25 B 796 755        
26 B 417 396        
27 B 205 195        

Unscaled Zero Point Vibrational Energy (zpe) 20196.1 cm-1
Scaled (by 0.9485) Zero Point Vibrational Energy (zpe) 19156.0 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(T)/6-31G**
ABC
0.29349 0.10295 0.09516

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

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 1.005
C2 0.000 1.254 0.151
C3 0.000 -1.254 0.151
F4 1.153 1.254 -0.647
F5 -1.153 -1.254 -0.647
H6 0.884 -0.004 1.649
H7 -0.884 0.004 1.649
H8 -0.868 1.272 -0.510
H9 0.012 2.158 0.764
H10 0.868 -1.272 -0.510
H11 -0.012 -2.158 0.764

Atom - Atom Distances (Å)
  C1 C2 C3 F4 F5 H6 H7 H8 H9 H10 H11
C11.51721.51722.37282.37281.09381.09382.16022.17162.16022.1716
C21.51722.50821.40192.87342.14642.14221.09111.09232.75173.4669
C31.51722.50822.87341.40192.14222.14642.75173.46691.09111.0923
F42.37281.40192.87343.40692.63133.31402.02532.02722.54593.8717
F52.37282.87341.40193.40693.31402.63132.54593.87172.02532.0272
H61.09382.14642.14222.63133.31401.76863.05902.49352.50392.4955
H71.09382.14222.14643.31402.63131.76862.50392.49553.05902.4935
H82.16021.09112.75172.02532.54593.05902.50391.78373.07993.7580
H92.17161.09233.46692.02723.87172.49352.49551.78373.75804.3163
H102.16022.75171.09112.54592.02532.50393.05903.07993.75801.7837
H112.17163.46691.09233.87172.02722.49552.49353.75804.31631.7837

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 108.686 C1 C2 H8 110.769
C1 C2 H9 111.607 C1 C3 F5 108.686
C1 C3 H10 110.769 C1 C3 H11 111.607
C2 C1 C3 111.495 C2 C1 H6 109.510
C2 C1 H7 109.181 C3 C1 H6 109.181
C3 C1 H7 109.510 F4 C2 H8 108.016
F4 C2 H9 108.094 F5 C3 H10 108.016
F5 C3 H11 108.094 H6 C1 H7 107.891
H8 C2 H9 109.560 H10 C3 H11 109.560
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability