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

using model chemistry: MP2/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2 1A
Energy calculated at MP2/6-31G*
 hartrees
Energy at 0K-316.689812
Energy at 298.15K 
HF Energy-315.959778
Nuclear repulsion energy188.742892
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 MP2/6-31G*
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 3201 3019 27.42 46.71 0.75 0.86
2 A 3134 2955 4.47 179.62 0.01 0.02
3 A 3116 2938 5.59 54.65 0.31 0.47
4 A 1585 1494 0.44 16.47 0.73 0.84
5 A 1529 1442 8.04 10.46 0.75 0.86
6 A 1485 1400 13.36 2.06 0.67 0.80
7 A 1347 1270 0.00 24.98 0.70 0.83
8 A 1275 1202 0.88 10.36 0.71 0.83
9 A 1155 1090 19.48 2.01 0.74 0.85
10 A 1043 983 38.32 5.23 0.67 0.80
11 A 914 862 0.07 9.66 0.13 0.23
12 A 563 531 3.76 0.68 0.72 0.84
13 A 259 244 4.25 0.19 0.25 0.40
14 A 91 86 3.30 0.01 0.64 0.78
15 B 3202 3020 30.71 31.34 0.75 0.86
16 B 3173 2992 12.22 72.84 0.75 0.86
17 B 3132 2953 62.55 39.30 0.75 0.86
18 B 1588 1497 2.48 0.06 0.75 0.86
19 B 1461 1378 13.86 2.06 0.75 0.86
20 B 1437 1355 5.93 1.17 0.75 0.86
21 B 1286 1212 7.59 0.89 0.75 0.86
22 B 1170 1103 13.18 1.13 0.75 0.86
23 B 1128 1064 75.62 4.41 0.75 0.86
24 B 1000 943 24.94 4.02 0.75 0.86
25 B 807 761 1.76 0.78 0.75 0.86
26 B 424 400 7.43 0.28 0.75 0.86
27 B 215 203 12.08 0.07 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 20358.9 cm-1
Scaled (by 0.943) Zero Point Vibrational Energy (zpe) 19198.4 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 MP2/6-31G*
ABC
0.29420 0.10316 0.09543

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/6-31G*

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 1.002
C2 0.000 1.250 0.151
C3 0.000 -1.250 0.151
F4 1.155 1.251 -0.645
F5 -1.155 -1.251 -0.645
H6 0.885 -0.002 1.648
H7 -0.885 0.002 1.648
H8 -0.866 1.270 -0.514
H9 0.012 2.157 0.762
H10 0.866 -1.270 -0.514
H11 -0.012 -2.157 0.762

Atom - Atom Distances (Å)
  C1 C2 C3 F4 F5 H6 H7 H8 H9 H10 H11
C11.51281.51282.36932.36931.09571.09572.15932.17032.15932.1703
C21.51282.50061.40262.86792.14332.14081.09221.09382.74653.4618
C31.51282.50062.86791.40262.14082.14332.74653.46181.09221.0938
F42.36931.40262.86793.40562.62693.31372.02562.02692.54083.8676
F52.36932.86791.40263.40563.31372.62692.54083.86762.02562.0269
H61.09572.14332.14082.62693.31371.77063.05942.49162.50642.4965
H71.09572.14082.14333.31372.62691.77062.50642.49653.05942.4916
H82.15931.09222.74652.02562.54083.05942.50641.78563.07423.7553
H92.17031.09383.46182.02693.86762.49162.49651.78563.75534.3140
H102.15932.74651.09222.54082.02562.50643.05943.07423.75531.7856
H112.17033.46181.09383.86762.02692.49652.49163.75534.31401.7856

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 108.657 C1 C2 H8 110.944
C1 C2 H9 111.729 C1 C3 F5 108.657
C1 C3 H10 110.944 C1 C3 H11 111.729
C2 C1 C3 111.482 C2 C1 H6 109.465
C2 C1 H7 109.275 C3 C1 H6 109.275
C3 C1 H7 109.465 F4 C2 H8 107.922
F4 C2 H9 107.927 F5 C3 H10 107.922
F5 C3 H11 107.927 H6 C1 H7 107.803
H8 C2 H9 109.536 H10 C3 H11 109.536
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability