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: MP2=FULL/aug-cc-pVDZ

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=FULL/aug-cc-pVDZ
 hartrees
Energy at 0K-316.869663
Energy at 298.15K 
HF Energy-316.006626
Nuclear repulsion energy186.677705
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=FULL/aug-cc-pVDZ
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 3185 3087 18.51 43.88 0.72 0.84
2 A 3114 3018 3.46 248.02 0.02 0.03
3 A 3082 2987 7.80 99.98 0.10 0.19
4 A 1509 1462 0.15 6.74 0.74 0.85
5 A 1447 1402 9.74 4.58 0.71 0.83
6 A 1423 1380 6.41 0.87 0.08 0.14
7 A 1308 1268 0.70 10.23 0.61 0.76
8 A 1233 1195 0.93 3.84 0.54 0.70
9 A 1118 1084 19.70 1.64 0.74 0.85
10 A 994 964 47.66 4.62 0.68 0.81
11 A 888 861 1.79 12.72 0.04 0.07
12 A 530 514 3.36 0.59 0.62 0.76
13 A 243 235 4.68 0.30 0.19 0.32
14 A 85 82 4.19 0.12 0.74 0.85
15 B 3184 3086 16.72 41.57 0.75 0.86
16 B 3145 3049 18.60 55.27 0.75 0.86
17 B 3112 3016 50.83 32.96 0.75 0.86
18 B 1508 1461 3.74 0.14 0.75 0.86
19 B 1411 1368 12.25 0.06 0.75 0.86
20 B 1379 1336 2.20 0.53 0.75 0.86
21 B 1249 1210 7.27 0.31 0.75 0.86
22 B 1131 1096 7.42 1.20 0.75 0.86
23 B 1074 1041 96.96 3.07 0.75 0.86
24 B 953 923 40.44 3.05 0.75 0.86
25 B 776 752 3.23 0.78 0.75 0.86
26 B 413 400 8.40 0.31 0.75 0.86
27 B 188 182 10.96 0.11 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 19840.3 cm-1
Scaled (by 0.9692) Zero Point Vibrational Energy (zpe) 19229.2 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 MP2=FULL/aug-cc-pVDZ
ABC
0.30195 0.09711 0.09123

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/aug-cc-pVDZ

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.981
C2 0.000 1.261 0.137
C3 0.000 -1.261 0.137
F4 1.195 1.312 -0.620
F5 -1.195 -1.312 -0.620
H6 0.891 -0.007 1.630
H7 -0.891 0.007 1.630
H8 -0.835 1.270 -0.576
H9 -0.027 2.167 0.759
H10 0.835 -1.270 -0.576
H11 0.027 -2.167 0.759

Atom - Atom Distances (Å)
  C1 C2 C3 F4 F5 H6 H7 H8 H9 H10 H11
C11.51721.51722.39082.39081.10221.10222.17672.17842.17672.1784
C21.51722.52141.41582.93652.15162.14311.09861.09912.75933.4835
C31.51722.52142.93651.41582.14312.15162.75933.48351.09861.0991
F42.39081.41582.93653.55002.62603.33442.03132.03112.60833.9206
F52.39082.93651.41583.55003.33442.62602.60833.92062.03132.0311
H61.10222.15162.14312.62603.33441.78283.07892.51582.54262.4837
H71.10222.14312.15163.33442.62601.78282.54262.48373.07892.5158
H82.17671.09862.75932.03132.60833.07892.54261.79953.04103.7870
H92.17841.09913.48352.03113.92062.51582.48371.79953.78704.3340
H102.17672.75931.09862.60832.03132.54263.07893.04103.78701.7995
H112.17843.48351.09913.92062.03112.48372.51583.78704.33401.7995

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 109.153 C1 C2 H8 111.638
C1 C2 H9 111.747 C1 C3 F5 109.153
C1 C3 H10 111.638 C1 C3 H11 111.747
C2 C1 C3 112.391 C2 C1 H6 109.433
C2 C1 H7 108.770 C3 C1 H6 108.770
C3 C1 H7 109.433 F4 C2 H8 107.096
F4 C2 H9 107.053 F5 C3 H10 107.096
F5 C3 H11 107.053 H6 C1 H7 107.945
H8 C2 H9 109.936 H10 C3 H11 109.936
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability