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All results from a given calculation for C3H8 (Propane)

using model chemistry: PBEPBEultrafine/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at PBEPBEultrafine/6-31G*
 hartrees
Energy at 0K-118.954974
Energy at 298.15K-118.963266
HF Energy-118.954974
Nuclear repulsion energy81.985751
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 PBEPBEultrafine/6-31G*
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A1 3056 3006 47.93 88.65 0.61 0.76
2 A1 2978 2929 28.62 161.08 0.00 0.01
3 A1 2971 2922 20.52 156.84 0.09 0.17
4 A1 1496 1471 4.16 10.89 0.73 0.85
5 A1 1471 1447 0.01 39.31 0.75 0.86
6 A1 1399 1375 2.20 3.42 0.67 0.80
7 A1 1154 1135 1.48 3.06 0.55 0.71
8 A1 871 856 1.13 8.84 0.30 0.46
9 A1 357 352 0.20 0.21 0.14 0.25
10 A2 3044 2994 0.00 8.45 0.75 0.86
11 A2 1472 1448 0.00 39.18 0.75 0.86
12 A2 1290 1269 0.00 12.30 0.75 0.86
13 A2 892 877 0.00 0.00 0.75 0.86
14 A2 224 220 0.00 0.00 0.75 0.86
15 B1 3053 3003 91.24 39.10 0.75 0.86
16 B1 3001 2951 6.52 143.98 0.75 0.86
17 B1 1491 1466 12.70 0.09 0.75 0.86
18 B1 1187 1167 0.44 0.90 0.75 0.86
19 B1 736 724 4.92 0.16 0.75 0.86
20 B1 271 267 0.00 0.00 0.75 0.86
21 B2 3054 3004 27.24 57.56 0.75 0.86
22 B2 2975 2926 35.25 1.08 0.75 0.86
23 B2 1480 1456 2.07 0.68 0.75 0.86
24 B2 1382 1359 4.63 6.95 0.75 0.86
25 B2 1336 1314 4.25 0.28 0.75 0.86
26 B2 1056 1039 0.39 5.28 0.75 0.86
27 B2 911 896 3.10 0.15 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 22303.5 cm-1
Scaled (by 0.9835) Zero Point Vibrational Energy (zpe) 21935.5 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 PBEPBEultrafine/6-31G*
ABC
0.97231 0.27816 0.24645

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBEultrafine/6-31G*

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.588
C2 0.000 1.278 -0.260
C3 0.000 -1.278 -0.260
H4 0.884 0.000 1.254
H5 -0.884 0.000 1.254
H6 0.000 2.185 0.369
H7 0.000 -2.185 0.369
H8 0.890 1.322 -0.913
H9 -0.890 1.322 -0.913
H10 -0.890 -1.322 -0.913
H11 0.890 -1.322 -0.913

Atom - Atom Distances (Å)
  C1 C2 C3 H4 H5 H6 H7 H8 H9 H10 H11
C11.53331.53331.10661.10662.19552.19552.18902.18902.18902.1890
C21.53332.55512.16912.16911.10383.51881.10491.10492.82412.8241
C31.53332.55512.16912.16913.51881.10382.82412.82411.10491.1049
H41.10662.16912.16911.76702.51722.51722.53823.09663.09662.5382
H51.10662.16912.16911.76702.51722.51723.09662.53822.53823.0966
H62.19551.10383.51882.51722.51724.36921.78331.78333.83803.8380
H72.19553.51881.10382.51722.51724.36923.83803.83801.78331.7833
H82.18901.10492.82412.53823.09661.78333.83801.78083.18742.6435
H92.18901.10492.82413.09662.53821.78333.83801.78082.64353.1874
H102.18902.82411.10493.09662.53823.83801.78333.18742.64351.7808
H112.18902.82411.10492.53823.09663.83801.78332.64353.18741.7808

picture of Propane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H6 111.692 C1 C2 H8 111.101
C1 C2 H9 111.101 C1 C3 H7 111.692
C1 C3 H10 111.101 C1 C3 H11 111.101
C2 C1 C3 112.862 C2 C1 H4 109.446
C2 C1 H5 109.446 C3 C1 H4 109.446
C3 C1 H5 109.446 H4 C1 H5 105.960
H6 C2 H8 107.686 H6 C2 H9 107.686
H7 C3 H10 107.686 H7 C3 H11 107.686
H8 C2 H9 107.379 H10 C3 H11 107.379
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBEultrafine/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.276      
2 C -0.476      
3 C -0.476      
4 H 0.149      
5 H 0.149      
6 H 0.155      
7 H 0.155      
8 H 0.155      
9 H 0.155      
10 H 0.155      
11 H 0.155      


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 0.054 0.054
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -21.190 0.000 0.000
y 0.000 -21.790 0.000
z 0.000 0.000 -21.514
Traceless
 xyz
x 0.462 0.000 0.000
y 0.000 -0.437 0.000
z 0.000 0.000 -0.024
Polar
3z2-r2-0.049
x2-y20.599
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.802 0.000 0.000
y 0.000 5.527 0.000
z 0.000 0.000 4.937


<r2> (average value of r2) Å2
<r2> 63.914
(<r2>)1/2 7.995