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

using model chemistry: MP2/6-311G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2 1A
Energy calculated at MP2/6-311G**
 hartrees
Energy at 0K-316.903866
Energy at 298.15K 
HF Energy-316.051616
Nuclear repulsion energy188.506715
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 MP2/6-311G**
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 3181 3022 27.95 49.50 0.75 0.85
2 A 3114 2958 3.00 214.60 0.01 0.02
3 A 3092 2938 7.81 68.79 0.24 0.38
4 A 1541 1465 1.02 12.12 0.74 0.85
5 A 1479 1405 15.78 5.99 0.57 0.73
6 A 1469 1396 3.37 2.83 0.60 0.75
7 A 1339 1272 0.59 19.63 0.71 0.83
8 A 1270 1207 1.15 6.91 0.64 0.78
9 A 1150 1092 23.82 2.14 0.75 0.86
10 A 1035 984 37.93 4.28 0.73 0.85
11 A 901 857 0.05 9.19 0.11 0.19
12 A 547 520 4.23 0.62 0.69 0.82
13 A 252 239 3.71 0.27 0.23 0.37
14 A 88 83 3.68 0.02 0.71 0.83
15 B 3181 3023 28.07 35.90 0.75 0.86
16 B 3152 2995 16.69 74.31 0.75 0.86
17 B 3111 2956 63.61 39.42 0.75 0.86
18 B 1545 1468 3.40 0.00 0.75 0.86
19 B 1449 1377 14.45 0.66 0.75 0.86
20 B 1413 1343 2.86 0.70 0.75 0.86
21 B 1292 1228 8.95 0.80 0.75 0.86
22 B 1151 1093 12.19 0.79 0.75 0.86
23 B 1122 1066 93.40 3.98 0.75 0.86
24 B 985 936 22.05 3.08 0.75 0.86
25 B 797 757 2.77 0.70 0.75 0.86
26 B 427 406 7.53 0.40 0.75 0.86
27 B 205 195 11.04 0.10 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 20143.9 cm-1
Scaled (by 0.9502) Zero Point Vibrational Energy (zpe) 19140.7 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 MP2/6-311G**
ABC
0.30339 0.10016 0.09355

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/6-311G**

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.986
C2 0.000 1.255 0.137
C3 0.000 -1.255 0.137
F4 1.166 1.291 -0.624
F5 -1.166 -1.291 -0.624
H6 0.887 -0.003 1.629
H7 -0.887 0.003 1.629
H8 -0.849 1.256 -0.550
H9 -0.024 2.155 0.758
H10 0.849 -1.256 -0.550
H11 0.024 -2.155 0.758

Atom - Atom Distances (Å)
  C1 C2 C3 F4 F5 H6 H7 H8 H9 H10 H11
C11.51521.51522.36992.36991.09531.09532.15772.16692.15772.1669
C21.51522.51051.39272.90172.14322.13991.09191.09282.73853.4660
C31.51522.51052.90171.39272.13992.14322.73853.46601.09191.0928
F42.36991.39272.90173.47802.61253.30842.01612.01782.56743.8835
F52.36992.90171.39273.47803.30842.61252.56743.88352.01612.0178
H61.09532.14322.13992.61253.30841.77383.05652.49882.51322.4766
H71.09532.13992.14323.30842.61251.77382.51322.47663.05652.4988
H82.15771.09192.73852.01612.56743.05652.51321.78773.03213.7556
H92.16691.09283.46602.01783.88352.49882.47661.78773.75564.3097
H102.15772.73851.09192.56742.01612.51323.05653.03213.75561.7877
H112.16693.46601.09283.88352.01782.47662.49883.75564.30971.7877

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 109.100 C1 C2 H8 110.664
C1 C2 H9 111.344 C1 C3 F5 109.100
C1 C3 H10 110.664 C1 C3 H11 111.344
C2 C1 C3 111.880 C2 C1 H6 109.315
C2 C1 H7 109.057 C3 C1 H6 109.057
C3 C1 H7 109.315 F4 C2 H8 107.864
F4 C2 H9 107.941 F5 C3 H10 107.864
F5 C3 H11 107.941 H6 C1 H7 108.142
H8 C2 H9 109.821 H10 C3 H11 109.821
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability