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

using model chemistry: QCISD(T)/cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2 1A
Energy calculated at QCISD(T)/cc-pVTZ
 hartrees
Energy at 0K-317.174201
Energy at 298.15K 
HF Energy-316.086606
Nuclear repulsion energy188.121526
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)/cc-pVTZ
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 3122 2961        
2 A 3068 2910        
3 A 3049 2893        
4 A 1524 1446        
5 A 1461 1386        
6 A 1445 1370        
7 A 1319 1252        
8 A 1250 1186        
9 A 1138 1079        
10 A 1021 969        
11 A 884 838        
12 A 534 507        
13 A 245 232        
14 A 83 79        
15 B 3123 2962        
16 B 3098 2939        
17 B 3064 2907        
18 B 1524 1446        
19 B 1423 1350        
20 B 1396 1324        
21 B 1268 1203        
22 B 1130 1072        
23 B 1105 1048        
24 B 969 919        
25 B 787 747        
26 B 416 395        
27 B 186 177        

Unscaled Zero Point Vibrational Energy (zpe) 19815.7 cm-1
Scaled (by 0.9486) Zero Point Vibrational Energy (zpe) 18797.2 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(T)/cc-pVTZ
ABC
0.30857 0.09809 0.09221

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

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.975
C2 0.000 1.258 0.129
C3 0.000 -1.258 0.129
F4 1.178 1.315 -0.611
F5 -1.178 -1.315 -0.611
H6 0.884 -0.004 1.619
H7 -0.884 0.004 1.619
H8 -0.835 1.257 -0.573
H9 -0.047 2.153 0.751
H10 0.835 -1.257 -0.573
H11 0.047 -2.153 0.751

Atom - Atom Distances (Å)
  C1 C2 C3 F4 F5 H6 H7 H8 H9 H10 H11
C11.51581.51582.37312.37311.09361.09362.16192.16562.16192.1656
C21.51582.51541.39232.92442.14292.13861.09111.09122.74103.4676
C31.51582.51542.92441.39232.13862.14292.74103.46761.09111.0912
F42.37311.39232.92443.53022.60703.30802.01402.01432.59443.8937
F52.37312.92441.39233.53023.30802.60702.59443.89372.01402.0143
H61.09362.14292.13862.60703.30801.76823.05762.50462.52542.4651
H71.09362.13862.14293.30802.60701.76822.52542.46513.05762.5046
H82.16191.09112.74102.01402.59443.05762.52541.78273.01773.7628
H92.16561.09123.46762.01433.89372.50462.46511.78273.76284.3079
H102.16192.74101.09112.59442.01402.52543.05763.01773.76281.7827
H112.16563.46761.09123.89372.01432.46512.50463.76284.30791.7827

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 109.306 C1 C2 H8 111.009
C1 C2 H9 111.298 C1 C3 F5 109.306
C1 C3 H10 111.009 C1 C3 H11 111.298
C2 C1 C3 112.148 C2 C1 H6 109.348
C2 C1 H7 109.011 C3 C1 H6 109.011
C3 C1 H7 109.348 F4 C2 H8 107.774
F4 C2 H9 107.784 F5 C3 H10 107.774
F5 C3 H11 107.784 H6 C1 H7 107.881
H8 C2 H9 109.550 H10 C3 H11 109.550
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability