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

using model chemistry: MP2=FULL/3-21G

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=FULL/3-21G
 hartrees
Energy at 0K-314.759104
Energy at 298.15K 
HF Energy-314.245674
Nuclear repulsion energy187.851528
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=FULL/3-21G
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 3188 3044 24.58 41.89 0.74 0.85
2 A 3128 2987 5.36 169.52 0.00 0.00
3 A 3118 2977 1.36 39.88 0.73 0.84
4 A 1614 1541 1.38 21.69 0.74 0.85
5 A 1567 1496 6.00 11.88 0.75 0.86
6 A 1501 1433 7.59 4.19 0.74 0.85
7 A 1369 1307 0.89 28.24 0.72 0.84
8 A 1290 1232 0.55 14.68 0.74 0.85
9 A 1150 1098 5.97 2.91 0.74 0.85
10 A 1027 981 27.77 5.98 0.58 0.74
11 A 884 844 0.91 11.57 0.13 0.24
12 A 560 535 2.93 1.04 0.68 0.81
13 A 262 251 5.23 0.31 0.46 0.63
14 A 87 83 3.41 0.04 0.63 0.78
15 B 3192 3048 29.38 10.99 0.75 0.86
16 B 3170 3027 6.66 81.51 0.75 0.86
17 B 3122 2981 62.25 36.72 0.75 0.86
18 B 1624 1551 3.70 0.13 0.75 0.86
19 B 1476 1409 8.12 1.60 0.75 0.86
20 B 1449 1383 4.32 2.63 0.75 0.86
21 B 1284 1226 8.16 2.65 0.75 0.86
22 B 1162 1110 16.58 0.03 0.75 0.86
23 B 1094 1044 30.04 5.71 0.75 0.86
24 B 1000 955 17.69 4.81 0.75 0.86
25 B 808 771 2.38 0.97 0.75 0.86
26 B 392 374 8.03 0.38 0.75 0.86
27 B 213 204 16.44 0.12 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 20366.2 cm-1
Scaled (by 0.9548) Zero Point Vibrational Energy (zpe) 19445.6 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 MP2=FULL/3-21G
ABC
0.27521 0.10686 0.09771

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/3-21G

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 1.051
C2 0.000 1.244 0.159
C3 0.000 -1.244 0.159
F4 1.172 1.179 -0.673
F5 -1.172 -1.179 -0.673
H6 0.891 -0.006 1.685
H7 -0.891 0.006 1.685
H8 -0.883 1.220 -0.480
H9 0.025 2.167 0.742
H10 0.883 -1.220 -0.480
H11 -0.025 -2.167 0.742

Atom - Atom Distances (Å)
  C1 C2 C3 F4 F5 H6 H7 H8 H9 H10 H11
C11.53051.53052.39462.39461.09381.09382.14792.18902.14792.1890
C21.53052.48731.43842.81662.16452.15761.09051.09252.69413.4603
C31.53052.48732.81661.43842.15762.16452.69413.46031.09051.0925
F42.39461.43842.81663.32452.65363.34532.06462.07212.42383.8249
F52.39462.81661.43843.32453.34532.65362.42383.82492.06462.0721
H61.09382.16452.15762.65363.34531.78263.05622.52202.48242.5295
H71.09382.15762.16453.34532.65361.78262.48242.52953.05622.5220
H82.14791.09052.69412.06462.42383.05622.48241.79363.01233.7017
H92.18901.09253.46032.07213.82492.52202.52951.79363.70174.3342
H102.14792.69411.09052.42382.06462.48243.05623.01233.70171.7936
H112.18903.46031.09253.82492.07212.52952.52203.70174.33421.7936

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 107.479 C1 C2 H8 108.904
C1 C2 H9 112.048 C1 C3 F5 107.479
C1 C3 H10 108.904 C1 C3 H11 112.048
C2 C1 C3 108.694 C2 C1 H6 110.018
C2 C1 H7 109.477 C3 C1 H6 109.477
C3 C1 H7 110.018 F4 C2 H8 108.668
F4 C2 H9 109.149 F5 C3 H10 108.668
F5 C3 H11 109.149 H6 C1 H7 109.145
H8 C2 H9 110.491 H10 C3 H11 110.491
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability