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

using model chemistry: B2PLYP=FULL/6-31G(2df,p)

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/6-31G(2df,p)
 hartrees
Energy at 0K-317.384120
Energy at 298.15K 
HF Energy-317.074071
Nuclear repulsion energy189.227451
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/6-31G(2df,p)
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 3136 3136 32.59 43.54 0.73 0.84
2 A 3084 3084 7.69 215.69 0.00 0.01
3 A 3074 3074 1.55 37.98 0.66 0.79
4 A 1535 1535 1.15 13.54 0.72 0.84
5 A 1479 1479 6.02 8.33 0.75 0.86
6 A 1459 1459 10.73 1.77 0.62 0.77
7 A 1327 1327 0.40 21.39 0.70 0.83
8 A 1263 1263 0.75 6.65 0.65 0.79
9 A 1142 1142 24.46 1.27 0.75 0.86
10 A 1031 1031 35.46 4.62 0.68 0.81
11 A 890 890 0.00 10.13 0.12 0.22
12 A 544 544 3.00 0.55 0.67 0.80
13 A 248 248 3.19 0.18 0.24 0.39
14 A 86 86 2.76 0.02 0.64 0.78
15 B 3141 3141 36.65 12.88 0.75 0.86
16 B 3123 3123 11.95 92.60 0.75 0.86
17 B 3078 3078 65.81 37.22 0.75 0.86
18 B 1538 1538 4.08 0.01 0.75 0.86
19 B 1428 1428 12.96 2.07 0.75 0.86
20 B 1407 1407 0.78 0.29 0.75 0.86
21 B 1279 1279 7.36 0.79 0.75 0.86
22 B 1139 1139 25.35 0.50 0.75 0.86
23 B 1112 1112 75.13 3.63 0.75 0.86
24 B 980 980 18.26 3.53 0.75 0.86
25 B 787 787 1.48 0.72 0.75 0.86
26 B 416 416 6.21 0.22 0.75 0.86
27 B 193 193 9.42 0.06 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 19959.1 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 19959.1 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/6-31G(2df,p)
ABC
0.30124 0.10213 0.09482

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULL/6-31G(2df,p)

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.994
C2 0.000 1.253 0.141
C3 0.000 -1.253 0.141
F4 1.146 1.276 -0.633
F5 -1.146 -1.276 -0.633
H6 0.883 -0.005 1.638
H7 -0.883 0.005 1.638
H8 -0.864 1.259 -0.528
H9 -0.017 2.156 0.757
H10 0.864 -1.259 -0.528
H11 0.017 -2.156 0.757

Atom - Atom Distances (Å)
  C1 C2 C3 F4 F5 H6 H7 H8 H9 H10 H11
C11.51601.51602.36352.36351.09341.09342.15552.16862.15552.1686
C21.51602.50621.38272.88192.14602.14041.09221.09292.73913.4639
C31.51602.50622.88191.38272.14042.14602.73913.46391.09221.0929
F42.36351.38272.88193.42972.62013.30002.01262.01452.55223.8700
F52.36352.88191.38273.42973.30002.62012.55223.87002.01262.0145
H61.09342.14602.14042.62013.30001.76673.05632.50112.50292.4804
H71.09342.14042.14603.30002.62011.76672.50292.48043.05632.5011
H82.15551.09222.73912.01262.55223.05632.50291.78073.05323.7529
H92.16861.09293.46392.01453.87002.50112.48041.78073.75294.3113
H102.15552.73911.09222.55222.01262.50293.05633.05323.75291.7807
H112.16863.46391.09293.87002.01452.48042.50113.75294.31131.7807

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 109.158 C1 C2 H8 110.412
C1 C2 H9 111.423 C1 C3 F5 109.158
C1 C3 H10 110.412 C1 C3 H11 111.423
C2 C1 C3 111.497 C2 C1 H6 109.592
C2 C1 H7 109.149 C3 C1 H6 109.149
C3 C1 H7 109.592 F4 C2 H8 108.249
F4 C2 H9 108.361 F5 C3 H10 108.249
F5 C3 H11 108.361 H6 C1 H7 107.786
H8 C2 H9 109.159 H10 C3 H11 109.159
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability