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

using model chemistry: CID/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 CID/3-21G
 hartrees
Energy at 0K-314.715685
Energy at 298.15K 
HF Energy-314.246893
Nuclear repulsion energy188.603476
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 CID/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 3229 3009 23.94      
2 A 3176 2959 4.25      
3 A 3159 2943 2.91      
4 A 1634 1522 1.23      
5 A 1586 1477 6.60      
6 A 1524 1420 8.08      
7 A 1391 1296 0.53      
8 A 1312 1223 0.49      
9 A 1174 1094 9.86      
10 A 1060 987 30.26      
11 A 899 837 0.83      
12 A 573 534 3.37      
13 A 265 247 5.88      
14 A 87 81 4.00      
15 B 3232 3011 28.24      
16 B 3205 2986 8.18      
17 B 3168 2951 59.74      
18 B 1643 1531 3.69      
19 B 1499 1397 8.09      
20 B 1477 1376 5.75      
21 B 1308 1219 9.01      
22 B 1183 1102 23.04      
23 B 1126 1049 35.81      
24 B 1022 952 16.41      
25 B 824 768 1.81      
26 B 401 373 9.09      
27 B 213 198 16.97      

Unscaled Zero Point Vibrational Energy (zpe) 20684.5 cm-1
Scaled (by 0.9316) Zero Point Vibrational Energy (zpe) 19269.7 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 CID/3-21G
ABC
0.27906 0.10724 0.09813

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

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 1.044
C2 0.000 1.243 0.157
C3 0.000 -1.243 0.157
F4 1.162 1.183 -0.668
F5 -1.162 -1.183 -0.668
H6 0.888 -0.006 1.676
H7 -0.888 0.006 1.676
H8 -0.879 1.228 -0.483
H9 0.027 2.161 0.741
H10 0.879 -1.228 -0.483
H11 -0.027 -2.161 0.741

Atom - Atom Distances (Å)
  C1 C2 C3 F4 F5 H6 H7 H8 H9 H10 H11
C11.52691.52692.38322.38321.09031.09032.14682.18232.14682.1823
C21.52692.48581.42602.81372.15812.15131.08681.08872.69883.4538
C31.52692.48582.81371.42602.15132.15812.69883.45381.08681.0887
F42.38321.42602.81373.31722.64273.32922.04952.05622.43463.8190
F52.38322.81371.42603.31723.32922.64272.43463.81902.04952.0562
H61.09032.15812.15132.64273.32921.77603.05022.51222.48072.5213
H71.09032.15132.15813.32922.64271.77602.48072.52133.05022.5122
H82.14681.08682.69882.04952.43463.05022.48071.78593.01923.7020
H92.18231.08873.45382.05623.81902.51222.52131.78593.70204.3224
H102.14682.69881.08682.43462.04952.48073.05023.01923.70201.7859
H112.18233.45381.08873.81902.05622.52132.51223.70204.32241.7859

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 107.573 C1 C2 H8 109.284
C1 C2 H9 112.005 C1 C3 F5 107.573
C1 C3 H10 109.284 C1 C3 H11 112.005
C2 C1 C3 108.973 C2 C1 H6 109.966
C2 C1 H7 109.430 C3 C1 H6 109.430
C3 C1 H7 109.966 F4 C2 H8 108.551
F4 C2 H9 108.973 F5 C3 H10 108.551
F5 C3 H11 108.973 H6 C1 H7 109.065
H8 C2 H9 110.356 H10 C3 H11 110.356
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability