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

using model chemistry: B3PW91/cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2 1A
Energy calculated at B3PW91/cc-pVTZ
 hartrees
Energy at 0K-317.612645
Energy at 298.15K 
HF Energy-317.612645
Nuclear repulsion energy187.627652
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 B3PW91/cc-pVTZ
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 3103 2984 31.40      
2 A 3053 2936 4.17      
3 A 3041 2924 4.08      
4 A 1509 1451 0.54      
5 A 1448 1392 8.35      
6 A 1429 1374 7.28      
7 A 1313 1262 0.88      
8 A 1242 1194 0.59      
9 A 1128 1084 21.83      
10 A 1012 973 45.07      
11 A 876 843 0.00      
12 A 531 511 2.99      
13 A 243 233 3.81      
14 A 87 84 3.70      
15 B 3105 2985 27.58      
16 B 3085 2967 18.82      
17 B 3048 2931 60.17      
18 B 1508 1450 5.14      
19 B 1407 1353 10.67      
20 B 1387 1334 1.26      
21 B 1258 1210 6.39      
22 B 1119 1076 15.32      
23 B 1090 1048 112.26      
24 B 964 927 24.85      
25 B 782 752 2.13      
26 B 416 400 7.58      
27 B 176 169 9.08      

Unscaled Zero Point Vibrational Energy (zpe) 19678.8 cm-1
Scaled (by 0.9616) Zero Point Vibrational Energy (zpe) 18923.1 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 B3PW91/cc-pVTZ
ABC
0.31600 0.09544 0.09026

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/cc-pVTZ

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.956
C2 0.000 1.263 0.125
C3 0.000 -1.263 0.125
F4 1.184 1.354 -0.599
F5 -1.184 -1.354 -0.599
H6 0.881 -0.005 1.605
H7 -0.881 0.005 1.605
H8 -0.826 1.266 -0.589
H9 -0.069 2.151 0.758
H10 0.826 -1.266 -0.589
H11 0.069 -2.151 0.758

Atom - Atom Distances (Å)
  C1 C2 C3 F4 F5 H6 H7 H8 H9 H10 H11
C11.51141.51142.37722.37721.09381.09382.16152.16092.16152.1609
C21.51142.52531.39082.96152.13822.13211.09201.09242.75423.4721
C31.51142.52532.96151.39082.13212.13822.75423.47211.09201.0924
F42.37721.39082.96153.59652.60643.30702.01172.01152.64373.9194
F52.37722.96151.39083.59653.30702.60642.64373.91942.01172.0115
H61.09382.13822.13212.60643.30701.76143.05632.50342.53102.4452
H71.09382.13212.13823.30702.60641.76142.53102.44523.05632.5034
H82.16151.09202.75422.01172.64373.05632.53101.78043.02273.7799
H92.16091.09243.47212.01153.91942.50342.44521.78043.77994.3035
H102.16152.75421.09202.64372.01172.53103.05633.02273.77991.7804
H112.16093.47211.09243.91942.01152.44522.50343.77994.30351.7804

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 109.920 C1 C2 H8 111.225
C1 C2 H9 111.151 C1 C3 F5 109.920
C1 C3 H10 111.225 C1 C3 H11 111.151
C2 C1 C3 113.316 C2 C1 H6 109.262
C2 C1 H7 108.790 C3 C1 H6 108.790
C3 C1 H7 109.262 F4 C2 H8 107.635
F4 C2 H9 107.595 F5 C3 H10 107.635
F5 C3 H11 107.595 H6 C1 H7 107.244
H8 C2 H9 109.182 H10 C3 H11 109.182
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.194      
2 C 0.130      
3 C 0.130      
4 F -0.247      
5 F -0.247      
6 H 0.089      
7 H 0.089      
8 H 0.062      
9 H 0.064      
10 H 0.062      
11 H 0.064      


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 1.959 1.959
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -32.160 -4.220 0.000
y -4.220 -29.229 0.000
z 0.000 0.000 -29.057
Traceless
 xyz
x -3.017 -4.220 0.000
y -4.220 1.379 0.000
z 0.000 0.000 1.638
Polar
3z2-r23.276
x2-y2-2.931
xy-4.220
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.383 -0.005 0.000
y -0.005 6.076 0.000
z 0.000 0.000 5.436


<r2> (average value of r2) Å2
<r2> 130.667
(<r2>)1/2 11.431