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All results from a given calculation for C3H8 (Propane)

using model chemistry: PBE1PBE/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 PBE1PBE/6-31G**
 hartrees
Energy at 0K-118.985052
Energy at 298.15K-118.993441
HF Energy-118.985052
Nuclear repulsion energy82.548880
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 PBE1PBE/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 3147 3000 46.12 86.19 0.62 0.76
2 A1 3065 2922 30.70 134.75 0.00 0.01
3 A1 3063 2919 16.31 175.34 0.08 0.15
4 A1 1541 1468 5.03 8.99 0.74 0.85
5 A1 1517 1446 0.01 38.73 0.75 0.86
6 A1 1446 1378 3.27 2.43 0.74 0.85
7 A1 1194 1138 1.53 3.08 0.48 0.65
8 A1 901 859 1.16 9.63 0.28 0.44
9 A1 368 350 0.17 0.22 0.12 0.22
10 A2 3135 2988 0.00 7.58 0.75 0.86
11 A2 1517 1446 0.00 37.68 0.75 0.86
12 A2 1332 1269 0.00 11.60 0.75 0.86
13 A2 918 875 0.00 0.01 0.75 0.86
14 A2 227 216 0.00 0.00 0.75 0.86
15 B1 3145 2997 88.73 36.33 0.75 0.86
16 B1 3096 2950 5.26 146.43 0.75 0.86
17 B1 1536 1464 14.26 0.09 0.75 0.86
18 B1 1227 1169 0.41 0.75 0.75 0.86
19 B1 756 721 4.72 0.16 0.75 0.86
20 B1 278 265 0.00 0.00 0.75 0.86
21 B2 3145 2998 26.31 56.52 0.75 0.86
22 B2 3062 2918 33.64 1.67 0.75 0.86
23 B2 1525 1454 2.20 0.49 0.75 0.86
24 B2 1433 1366 6.64 5.08 0.75 0.86
25 B2 1383 1318 1.95 0.01 0.75 0.86
26 B2 1093 1042 0.31 6.12 0.75 0.86
27 B2 940 896 3.26 0.17 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 22994.4 cm-1
Scaled (by 0.9531) Zero Point Vibrational Energy (zpe) 21916.0 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 PBE1PBE/6-31G**
ABC
0.98424 0.28211 0.24981

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/6-31G**

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.585
C2 0.000 1.269 -0.259
C3 0.000 -1.269 -0.259
H4 0.877 0.000 1.246
H5 -0.877 0.000 1.246
H6 0.000 2.170 0.365
H7 0.000 -2.170 0.365
H8 0.884 1.311 -0.907
H9 -0.884 1.311 -0.907
H10 -0.884 -1.311 -0.907
H11 0.884 -1.311 -0.907

Atom - Atom Distances (Å)
  C1 C2 C3 H4 H5 H6 H7 H8 H9 H10 H11
C11.52401.52401.09811.09812.18072.18072.17412.17412.17412.1741
C21.52402.53752.15492.15491.09563.49441.09671.09672.80332.8033
C31.52402.53752.15492.15493.49441.09562.80332.80331.09671.0967
H41.09812.15492.15491.75422.50052.50052.52053.07483.07482.5205
H51.09812.15492.15491.75422.50052.50053.07482.52052.52053.0748
H62.18071.09563.49442.50052.50054.33901.77031.77033.80983.8098
H72.18073.49441.09562.50052.50054.33903.80983.80981.77031.7703
H82.17411.09672.80332.52053.07481.77033.80981.76813.16312.6228
H92.17411.09672.80333.07482.52051.77033.80981.76812.62283.1631
H102.17412.80331.09673.07482.52053.80981.77033.16312.62281.7681
H112.17412.80331.09672.52053.07483.80981.77032.62283.16311.7681

picture of Propane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H6 111.662 C1 C2 H8 111.068
C1 C2 H9 111.068 C1 C3 H7 111.662
C1 C3 H10 111.068 C1 C3 H11 111.068
C2 C1 C3 112.722 C2 C1 H4 109.468
C2 C1 H5 109.468 C3 C1 H4 109.468
C3 C1 H5 109.468 H4 C1 H5 106.026
H6 C2 H8 107.710 H6 C2 H9 107.710
H7 C3 H10 107.710 H7 C3 H11 107.710
H8 C2 H9 107.431 H10 C3 H11 107.431
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.316      
2 C -0.514      
3 C -0.514      
4 H 0.165      
5 H 0.165      
6 H 0.170      
7 H 0.170      
8 H 0.168      
9 H 0.168      
10 H 0.168      
11 H 0.168      


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 0.056 0.056
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -21.110 0.000 0.000
y 0.000 -21.754 0.000
z 0.000 0.000 -21.458
Traceless
 xyz
x 0.495 0.000 0.000
y 0.000 -0.470 0.000
z 0.000 0.000 -0.026
Polar
3z2-r2-0.051
x2-y20.644
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.703 0.000 0.000
y 0.000 5.331 0.000
z 0.000 0.000 4.815


<r2> (average value of r2) Å2
<r2> 63.184
(<r2>)1/2 7.949