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

using model chemistry: QCISD/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 QCISD/cc-pVDZ
 hartrees
Energy at 0K-316.823476
Energy at 298.15K 
HF Energy-315.981672
Nuclear repulsion energy187.632854
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/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 3146 3018 36.24      
2 A 3089 2964 5.10      
3 A 3071 2946 7.24      
4 A 1514 1453 0.56      
5 A 1462 1403 13.71      
6 A 1448 1390 7.93      
7 A 1317 1263 0.32      
8 A 1250 1199 1.05      
9 A 1141 1094 26.45      
10 A 1028 986 35.10      
11 A 894 858 0.34      
12 A 538 516 3.90      
13 A 248 238 3.46      
14 A 86 82 3.50      
15 B 3148 3020 38.29      
16 B 3126 2999 17.38      
17 B 3084 2959 70.19      
18 B 1518 1457 2.33      
19 B 1437 1379 15.65      
20 B 1396 1340 4.82      
21 B 1268 1217 7.88      
22 B 1138 1092 8.66      
23 B 1119 1073 95.27      
24 B 975 935 22.89      
25 B 787 755 3.28      
26 B 417 400 7.35      
27 B 197 189 10.94      

Unscaled Zero Point Vibrational Energy (zpe) 19920.5 cm-1
Scaled (by 0.9594) Zero Point Vibrational Energy (zpe) 19111.7 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 QCISD/cc-pVDZ
ABC
0.30047 0.09941 0.09280

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

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.991
C2 0.000 1.261 0.137
C3 0.000 -1.261 0.137
F4 1.166 1.297 -0.627
F5 -1.166 -1.297 -0.627
H6 0.894 -0.003 1.642
H7 -0.894 0.003 1.642
H8 -0.862 1.261 -0.553
H9 -0.030 2.171 0.763
H10 0.862 -1.261 -0.553
H11 0.030 -2.171 0.763

Atom - Atom Distances (Å)
  C1 C2 C3 F4 F5 H6 H7 H8 H9 H10 H11
C11.52261.52262.37912.37911.10621.10622.17192.18292.17192.1829
C21.52262.52151.39492.91312.15932.15521.10401.10462.75313.4882
C31.52262.52152.91311.39492.15522.15932.75313.48821.10401.1046
F42.37911.39492.91313.48862.62933.32682.02962.03152.57743.9047
F52.37912.91311.39493.48863.32682.62932.57743.90472.02962.0315
H61.10622.15932.15522.62933.32681.78863.08242.52092.53032.4933
H71.10622.15522.15933.32682.62931.78862.53032.49333.08242.5209
H82.17191.10402.75312.02962.57743.08242.53031.80273.05493.7823
H92.18291.10463.48822.03153.90472.52092.49331.80273.78234.3418
H102.17192.75311.10402.57742.02962.53033.08243.05493.78231.8027
H112.18293.48821.10463.90472.03152.49332.52093.78234.34181.8027

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 109.185 C1 C2 H8 110.548
C1 C2 H9 111.381 C1 C3 F5 109.185
C1 C3 H10 110.548 C1 C3 H11 111.381
C2 C1 C3 111.796 C2 C1 H6 109.425
C2 C1 H7 109.114 C3 C1 H6 109.114
C3 C1 H7 109.425 F4 C2 H8 108.054
F4 C2 H9 108.169 F5 C3 H10 108.054
F5 C3 H11 108.169 H6 C1 H7 107.884
H8 C2 H9 109.412 H10 C3 H11 109.412
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability