return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

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

using model chemistry: B2PLYP=FULL/aug-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 B2PLYP=FULL/aug-cc-pVTZ
 hartrees
Energy at 0K-317.548085
Energy at 298.15K 
HF Energy-317.188752
Nuclear repulsion energy187.566527
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 B2PLYP=FULL/aug-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 3135 3008 23.15 40.66 0.72 0.84
2 A 3084 2959 3.91 270.86 0.01 0.03
3 A 3059 2934 6.71 92.74 0.14 0.24
4 A 1532 1470 0.47 7.35 0.73 0.84
5 A 1471 1411 8.43 4.20 0.74 0.85
6 A 1440 1381 6.99 0.80 0.08 0.15
7 A 1324 1271 0.85 10.00 0.61 0.76
8 A 1251 1200 0.91 3.72 0.58 0.73
9 A 1130 1084 15.67 1.36 0.75 0.86
10 A 999 959 53.21 4.57 0.63 0.77
11 A 879 843 0.35 11.54 0.06 0.11
12 A 533 512 3.20 0.57 0.64 0.78
13 A 245 235 4.45 0.38 0.17 0.29
14 A 83 80 4.31 0.10 0.72 0.84
15 B 3135 3007 19.49 39.42 0.75 0.86
16 B 3103 2977 28.57 57.02 0.75 0.86
17 B 3080 2955 44.02 41.13 0.75 0.86
18 B 1530 1468 5.01 0.17 0.75 0.86
19 B 1422 1364 9.38 0.06 0.75 0.86
20 B 1402 1345 2.64 0.39 0.75 0.86
21 B 1264 1213 6.25 0.51 0.75 0.86
22 B 1129 1084 9.99 0.80 0.75 0.86
23 B 1078 1034 106.86 2.91 0.75 0.86
24 B 963 924 41.68 2.77 0.75 0.86
25 B 787 755 3.79 0.93 0.75 0.86
26 B 418 401 8.36 0.27 0.75 0.86
27 B 175 168 10.02 0.11 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 19825.1 cm-1
Scaled (by 0.9594) Zero Point Vibrational Energy (zpe) 19020.2 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 B2PLYP=FULL/aug-cc-pVTZ
ABC
0.31393 0.09575 0.09059

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULL/aug-cc-pVTZ

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.959
C2 0.000 1.261 0.127
C3 0.000 -1.261 0.127
F4 1.193 1.341 -0.600
F5 -1.193 -1.341 -0.600
H6 0.880 -0.006 1.603
H7 -0.880 0.006 1.603
H8 -0.817 1.266 -0.591
H9 -0.057 2.149 0.753
H10 0.817 -1.266 -0.591
H11 0.057 -2.149 0.753

Atom - Atom Distances (Å)
  C1 C2 C3 F4 F5 H6 H7 H8 H9 H10 H11
C11.51041.51042.37782.37781.09091.09092.16162.15942.16162.1594
C21.51042.52121.39972.95352.13502.12831.08761.08802.75083.4668
C31.51042.52122.95351.39972.12832.13502.75083.46681.08761.0880
F42.37781.39972.95353.59072.60183.30752.01152.01152.63453.9118
F52.37782.95351.39973.59073.30752.60182.63453.91182.01152.0115
H61.09092.13502.12832.60183.30751.76013.05172.49882.53172.4482
H71.09092.12832.13503.30752.60181.76012.53172.44823.05172.4988
H82.16161.08762.75082.01152.63453.05172.53171.77823.01333.7724
H92.15941.08803.46682.01153.91182.49882.44821.77823.77244.2991
H102.16162.75081.08762.63452.01152.53173.05173.01333.77241.7782
H112.15943.46681.08803.91182.01152.44822.49883.77244.29911.7782

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 109.534 C1 C2 H8 111.580
C1 C2 H9 111.379 C1 C3 F5 109.534
C1 C3 H10 111.580 C1 C3 H11 111.379
C2 C1 C3 113.156 C2 C1 H6 109.255
C2 C1 H7 108.736 C3 C1 H6 108.736
C3 C1 H7 109.255 F4 C2 H8 107.275
F4 C2 H9 107.256 F5 C3 H10 107.275
F5 C3 H11 107.256 H6 C1 H7 107.552
H8 C2 H9 109.638 H10 C3 H11 109.638
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability