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

using model chemistry: B3LYP/CEP-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2 1A
Energy calculated at B3LYP/CEP-31G*
 hartrees
Energy at 0K-68.937311
Energy at 298.15K 
HF Energy-68.937311
Nuclear repulsion energy106.711636
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 B3LYP/CEP-31G*
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 3131 3023 52.15 42.06 0.75 0.86
2 A 3071 2966 10.31 257.31 0.01 0.01
3 A 3054 2949 11.55 56.76 0.35 0.52
4 A 1511 1459 0.30 12.28 0.74 0.85
5 A 1455 1406 13.12 7.99 0.69 0.82
6 A 1432 1383 7.43 2.31 0.56 0.72
7 A 1299 1254 0.23 24.54 0.70 0.82
8 A 1228 1186 0.59 9.04 0.68 0.81
9 A 1114 1076 17.53 2.55 0.74 0.85
10 A 991 957 50.75 6.11 0.61 0.76
11 A 864 834 0.13 12.57 0.11 0.20
12 A 521 503 3.34 1.15 0.67 0.81
13 A 237 229 4.76 0.42 0.33 0.50
14 A 83 80 4.97 0.08 0.74 0.85
15 B 3130 3023 55.76 26.54 0.75 0.86
16 B 3102 2996 31.54 87.29 0.75 0.86
17 B 3066 2961 90.50 45.22 0.75 0.86
18 B 1511 1459 2.99 0.10 0.75 0.86
19 B 1415 1366 16.23 0.84 0.75 0.86
20 B 1378 1331 5.44 1.21 0.75 0.86
21 B 1239 1197 4.73 1.17 0.75 0.86
22 B 1104 1066 13.67 2.53 0.75 0.86
23 B 1068 1031 119.82 3.96 0.75 0.86
24 B 950 918 34.27 2.83 0.75 0.86
25 B 771 745 2.24 1.41 0.75 0.86
26 B 400 386 7.76 0.68 0.75 0.86
27 B 172 166 10.54 0.09 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 19648.6 cm-1
Scaled (by 0.9657) Zero Point Vibrational Energy (zpe) 18974.6 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 B3LYP/CEP-31G*
ABC
0.30443 0.09388 0.08875

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/CEP-31G*

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.978
C2 0.000 1.278 0.126
C3 0.000 -1.278 0.126
F4 1.206 1.349 -0.608
F5 -1.206 -1.349 -0.608
H6 0.894 -0.003 1.628
H7 -0.894 0.003 1.628
H8 -0.829 1.281 -0.601
H9 -0.053 2.182 0.757
H10 0.829 -1.281 -0.601
H11 0.053 -2.182 0.757

Atom - Atom Distances (Å)
  C1 C2 C3 F4 F5 H6 H7 H8 H9 H10 H11
C11.53621.53622.40682.40681.10531.10532.19612.19372.19612.1937
C21.53622.55631.41402.98282.16742.16381.10281.10362.78673.5175
C31.53622.55632.98281.41402.16382.16742.78673.51751.10281.1036
F42.40681.41402.98283.61952.63243.35042.03642.03562.65723.9577
F52.40682.98281.41403.61953.35042.63242.65723.95772.03642.0356
H61.10532.16742.16382.63243.35041.78773.09652.53552.57072.4927
H71.10532.16382.16743.35042.63241.78772.57072.49273.09652.5355
H82.19611.10282.78672.03642.65723.09652.57071.80533.05193.8229
H92.19371.10363.51752.03563.95772.53552.49271.80533.82294.3650
H102.19612.78671.10282.65722.03642.57073.09653.05193.82291.8053
H112.19373.51751.10363.95772.03562.49272.53553.82294.36501.8053

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 109.264 C1 C2 H8 111.593
C1 C2 H9 111.348 C1 C3 F5 109.264
C1 C3 H10 111.593 C1 C3 H11 111.348
C2 C1 C3 112.612 C2 C1 H6 109.186
C2 C1 H7 108.906 C3 C1 H6 108.906
C3 C1 H7 109.186 F4 C2 H8 107.379
F4 C2 H9 107.264 F5 C3 H10 107.379
F5 C3 H11 107.264 H6 C1 H7 107.938
H8 C2 H9 109.815 H10 C3 H11 109.815
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/CEP-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.089      
2 C -0.213      
3 C -0.213      
4 F -0.241      
5 F -0.241      
6 H 0.137      
7 H 0.137      
8 H 0.178      
9 H 0.183      
10 H 0.178      
11 H 0.183      


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 2.243 2.243
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -32.179 -4.900 0.000
y -4.900 -29.024 0.000
z 0.000 0.000 -28.809
Traceless
 xyz
x -3.262 -4.900 0.000
y -4.900 1.470 0.000
z 0.000 0.000 1.792
Polar
3z2-r23.584
x2-y2-3.155
xy-4.900
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.695 0.046 0.000
y 0.046 5.393 0.000
z 0.000 0.000 4.747


<r2> (average value of r2) Å2
<r2> 109.753
(<r2>)1/2 10.476