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

using model chemistry: CISD/cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2 1A
Energy calculated at CISD/cc-pVDZ
 hartrees
Energy at 0K-316.690998
Energy at 298.15K 
HF Energy-315.983086
Nuclear repulsion energy188.827179
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 CISD/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 3250 2996 34.96      
2 A 3190 2941 3.90      
3 A 3164 2917 8.54      
4 A 1565 1443 0.48      
5 A 1511 1393 19.80      
6 A 1499 1382 3.92      
7 A 1364 1257 0.67      
8 A 1294 1193 1.04      
9 A 1185 1092 33.14      
10 A 1069 986 38.18      
11 A 922 850 0.28      
12 A 556 513 4.15      
13 A 254 234 3.90      
14 A 89 82 4.01      
15 B 3250 2996 34.91      
16 B 3220 2968 22.64      
17 B 3185 2936 66.14      
18 B 1568 1446 2.48      
19 B 1494 1377 17.78      
20 B 1446 1333 5.44      
21 B 1314 1211 8.68      
22 B 1175 1083 11.46      
23 B 1165 1074 114.28      
24 B 1010 931 23.37      
25 B 816 752 3.46      
26 B 432 398 8.01      
27 B 201 185 11.58      

Unscaled Zero Point Vibrational Energy (zpe) 20594.0 cm-1
Scaled (by 0.9218) Zero Point Vibrational Energy (zpe) 18983.6 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 CISD/cc-pVDZ
ABC
0.30657 0.10004 0.09353

See section I.F.4 to change rotational constant units
Geometric Data calculated at CISD/cc-pVDZ

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.980
C2 0.000 1.256 0.135
C3 0.000 -1.256 0.135
F4 1.158 1.299 -0.620
F5 -1.158 -1.299 -0.620
H6 0.887 -0.004 1.627
H7 -0.887 0.004 1.627
H8 -0.852 1.261 -0.553
H9 -0.032 2.156 0.758
H10 0.852 -1.261 -0.553
H11 0.032 -2.156 0.758

Atom - Atom Distances (Å)
  C1 C2 C3 F4 F5 H6 H7 H8 H9 H10 H11
C11.51401.51402.36332.36331.09751.09752.16002.16742.16002.1674
C21.51402.51221.38242.90462.14482.14001.09481.09542.74503.4686
C31.51402.51222.90461.38242.14002.14482.74503.46861.09481.0954
F42.36331.38242.90463.47972.61093.30172.01102.01232.57903.8860
F52.36332.90461.38243.47973.30172.61092.57903.88602.01102.0123
H61.09752.14482.14002.61093.30171.77333.06172.50252.51642.4726
H71.09752.14002.14483.30172.61091.77332.51642.47263.06172.5025
H82.16001.09482.74502.01102.57903.06172.51641.78683.04383.7652
H92.16741.09543.46862.01233.88602.50252.47261.78683.76524.3121
H102.16002.74501.09482.57902.01102.51643.06173.04383.76521.7868
H112.16743.46861.09543.88602.01232.47262.50253.76524.31211.7868

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 109.283 C1 C2 H8 110.762
C1 C2 H9 111.315 C1 C3 F5 109.283
C1 C3 H10 110.762 C1 C3 H11 111.315
C2 C1 C3 112.128 C2 C1 H6 109.397
C2 C1 H7 109.021 C3 C1 H6 109.021
C3 C1 H7 109.397 F4 C2 H8 107.988
F4 C2 H9 108.052 F5 C3 H10 107.988
F5 C3 H11 108.052 H6 C1 H7 107.779
H8 C2 H9 109.342 H10 C3 H11 109.342
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability