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

using model chemistry: QCISD(T)/Def2TZVPP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2 1A
Energy calculated at QCISD(T)/Def2TZVPP
 hartrees
Energy at 0K-317.185966
Energy at 298.15K 
HF Energy-316.102111
Nuclear repulsion energy187.923840
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 QCISD(T)/Def2TZVPP
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 3126 3126        
2 A 3072 3072        
3 A 3051 3051        
4 A 1523 1523        
5 A 1457 1457        
6 A 1443 1443        
7 A 1319 1319        
8 A 1249 1249        
9 A 1133 1133        
10 A 1016 1016        
11 A 881 881        
12 A 533 533        
13 A 243 243        
14 A 79 79        
15 B 3126 3126        
16 B 3101 3101        
17 B 3069 3069        
18 B 1522 1522        
19 B 1424 1424        
20 B 1395 1395        
21 B 1269 1269        
22 B 1129 1129        
23 B 1100 1100        
24 B 966 966        
25 B 784 784        
26 B 415 415        
27 B 183 183        

Unscaled Zero Point Vibrational Energy (zpe) 19803.8 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 19803.8 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 QCISD(T)/Def2TZVPP
ABC
0.30848 0.09771 0.09185

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD(T)/Def2TZVPP

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.975
C2 0.000 1.259 0.131
C3 0.000 -1.259 0.131
F4 1.179 1.319 -0.612
F5 -1.179 -1.319 -0.612
H6 0.884 -0.005 1.618
H7 -0.884 0.005 1.618
H8 -0.834 1.263 -0.573
H9 -0.042 2.154 0.754
H10 0.834 -1.263 -0.573
H11 0.042 -2.154 0.754

Atom - Atom Distances (Å)
  C1 C2 C3 F4 F5 H6 H7 H8 H9 H10 H11
C11.51601.51602.37622.37621.09351.09352.16432.16542.16432.1654
C21.51602.51881.39432.93092.14292.13681.09071.09082.74833.4698
C31.51602.51882.93091.39432.13682.14292.74833.46981.09071.0908
F42.37621.39432.93093.53802.60993.30952.01332.01312.60573.9010
F52.37622.93091.39433.53803.30952.60992.60573.90102.01332.0131
H61.09352.14292.13682.60993.30951.76883.05892.50322.52632.4640
H71.09352.13682.14293.30952.60991.76882.52632.46403.05892.5032
H82.16431.09072.74832.01332.60573.05892.52631.78283.02703.7686
H92.16541.09083.46982.01313.90102.50322.46401.78283.76864.3083
H102.16432.74831.09072.60572.01332.52633.05893.02703.76861.7828
H112.16543.46981.09083.90102.01312.46402.50323.76864.30831.7828

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 109.399 C1 C2 H8 111.214
C1 C2 H9 111.294 C1 C3 F5 109.399
C1 C3 H10 111.214 C1 C3 H11 111.294
C2 C1 C3 112.355 C2 C1 H6 109.346
C2 C1 H7 108.870 C3 C1 H6 108.870
C3 C1 H7 109.346 F4 C2 H8 107.605
F4 C2 H9 107.576 F5 C3 H10 107.605
F5 C3 H11 107.576 H6 C1 H7 107.957
H8 C2 H9 109.614 H10 C3 H11 109.614
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability