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

using model chemistry: mPW1PW91/STO-3G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2 1A
Energy calculated at mPW1PW91/STO-3G
 hartrees
Energy at 0K-313.246492
Energy at 298.15K 
HF Energy-313.246492
Nuclear repulsion energy183.772785
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 mPW1PW91/STO-3G
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 3391 2981 2.72 28.84 0.02 0.04
2 A 3373 2965 8.50 39.16 0.70 0.82
3 A 3276 2879 0.49 60.21 0.02 0.04
4 A 1674 1471 0.33 16.26 0.75 0.86
5 A 1651 1451 2.67 15.29 0.75 0.86
6 A 1554 1366 9.31 6.08 0.67 0.80
7 A 1398 1229 0.34 26.98 0.74 0.85
8 A 1316 1157 0.58 8.67 0.73 0.84
9 A 1225 1076 11.28 1.38 0.75 0.85
10 A 1109 975 1.79 5.11 0.59 0.74
11 A 920 808 1.40 9.02 0.20 0.33
12 A 531 467 0.20 0.93 0.73 0.84
13 A 227 199 1.54 0.25 0.37 0.54
14 A 76 67 1.15 0.09 0.74 0.85
15 B 3504 3080 0.48 27.96 0.75 0.86
16 B 3374 2965 8.59 35.91 0.75 0.86
17 B 3275 2879 25.73 19.27 0.75 0.86
18 B 1673 1471 1.20 1.98 0.75 0.86
19 B 1517 1333 17.76 3.17 0.75 0.86
20 B 1502 1320 6.30 0.44 0.75 0.86
21 B 1323 1163 5.75 0.42 0.75 0.86
22 B 1247 1096 25.37 1.53 0.75 0.86
23 B 1174 1032 6.66 4.62 0.75 0.86
24 B 1040 914 0.28 3.16 0.75 0.86
25 B 844 742 1.10 1.28 0.75 0.86
26 B 408 359 1.76 0.37 0.75 0.86
27 B 120 106 2.23 0.06 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 21361.4 cm-1
Scaled (by 0.8789) Zero Point Vibrational Energy (zpe) 18774.6 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 mPW1PW91/STO-3G
ABC
0.29780 0.09221 0.08610

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/STO-3G

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 1.005
C2 0.000 1.293 0.129
C3 0.000 -1.293 0.129
F4 1.172 1.400 -0.633
F5 -1.172 -1.400 -0.633
H6 0.891 -0.010 1.651
H7 -0.891 0.010 1.651
H8 -0.892 1.269 -0.539
H9 -0.107 2.180 0.796
H10 0.892 -1.269 -0.539
H11 0.107 -2.180 0.796

Atom - Atom Distances (Å)
  C1 C2 C3 F4 F5 H6 H7 H8 H9 H10 H11
C11.56151.56152.45272.45271.10051.10052.18842.19292.18842.1929
C21.56152.58621.40233.03422.19222.18051.11501.11482.79423.5384
C31.56152.58623.03421.40232.18052.19222.79423.53841.11501.1148
F42.45271.40233.03423.65102.69863.37692.07042.07052.68513.9993
F52.45273.03421.40233.65103.37692.69862.68513.99932.07042.0705
H61.10052.19222.18052.69863.37691.78193.09992.55392.52582.4610
H71.10052.18052.19223.37692.69861.78192.52582.46103.09992.5539
H82.18841.11502.79422.07042.68513.09992.52581.79693.10283.8312
H92.19291.11483.53842.07053.99932.55392.46101.79693.83124.3658
H102.18842.79421.11502.68512.07042.52583.09993.10283.83121.7969
H112.19293.53841.11483.99932.07052.46102.55393.83124.36581.7969

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 111.581 C1 C2 H8 108.551
C1 C2 H9 108.898 C1 C3 F5 111.581
C1 C3 H10 108.551 C1 C3 H11 108.898
C2 C1 C3 111.813 C2 C1 H6 109.662
C2 C1 H7 108.761 C3 C1 H6 108.761
C3 C1 H7 109.662 F4 C2 H8 110.147
F4 C2 H9 110.162 F5 C3 H10 110.147
F5 C3 H11 110.162 H6 C1 H7 108.111
H8 C2 H9 107.389 H10 C3 H11 107.389
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.161      
2 C -0.039      
3 C -0.039      
4 F -0.111      
5 F -0.111      
6 H 0.083      
7 H 0.083      
8 H 0.075      
9 H 0.072      
10 H 0.075      
11 H 0.072      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.000 0.000 1.135 1.135
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -28.018 -2.333 0.000
y -2.333 -26.870 0.000
z 0.000 0.000 -26.599
Traceless
 xyz
x -1.284 -2.333 0.000
y -2.333 0.439 0.000
z 0.000 0.000 0.845
Polar
3z2-r21.689
x2-y2-1.149
xy-2.333
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.750 0.062 0.000
y 0.062 2.730 0.000
z 0.000 0.000 2.574


<r2> (average value of r2) Å2
<r2> 133.722
(<r2>)1/2 11.564