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All results from a given calculation for C3H8 (Propane)

using model chemistry: B3PW91/cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at B3PW91/cc-pVDZ
 hartrees
Energy at 0K-119.105074
Energy at 298.15K-119.113435
HF Energy-119.105074
Nuclear repulsion energy82.263520
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-pVDZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A1 3122 3013 43.28      
2 A1 3036 2930 4.69      
3 A1 3034 2928 46.38      
4 A1 1484 1432 4.52      
5 A1 1463 1411 0.07      
6 A1 1399 1350 1.67      
7 A1 1167 1126 1.45      
8 A1 891 859 1.14      
9 A1 363 350 0.15      
10 A2 3110 3001 0.00      
11 A2 1458 1407 0.00      
12 A2 1305 1260 0.00      
13 A2 903 872 0.00      
14 A2 225 217 0.00      
15 B1 3118 3009 83.23      
16 B1 3067 2959 6.85      
17 B1 1476 1425 12.65      
18 B1 1196 1154 0.47      
19 B1 752 725 4.38      
20 B1 276 266 0.00      
21 B2 3120 3011 24.28      
22 B2 3033 2927 37.46      
23 B2 1469 1417 1.34      
24 B2 1391 1343 5.80      
25 B2 1349 1302 3.18      
26 B2 1084 1046 0.49      
27 B2 923 891 2.09      

Unscaled Zero Point Vibrational Energy (zpe) 22606.9 cm-1
Scaled (by 0.965) Zero Point Vibrational Energy (zpe) 21815.6 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 B3PW91/cc-pVDZ
ABC
0.98164 0.27990 0.24823

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.582
C2 0.000 1.273 -0.258
C3 0.000 -1.273 -0.258
H4 0.881 0.000 1.249
H5 -0.881 0.000 1.249
H6 0.000 2.177 0.372
H7 0.000 -2.177 0.372
H8 0.888 1.322 -0.910
H9 -0.888 1.322 -0.910
H10 -0.888 -1.322 -0.910
H11 0.888 -1.322 -0.910

Atom - Atom Distances (Å)
  C1 C2 C3 H4 H5 H6 H7 H8 H9 H10 H11
C11.52541.52541.10461.10462.18682.18682.18262.18262.18262.1826
C21.52542.54592.16052.16051.10163.50671.10301.10302.81902.8190
C31.52542.54592.16052.16053.50671.10162.81902.81901.10301.1030
H41.10462.16052.16051.76152.50662.50662.53163.08853.08852.5316
H51.10462.16052.16051.76152.50662.50663.08852.53162.53163.0885
H62.18681.10163.50672.50662.50664.35341.77861.77863.83033.8303
H72.18683.50671.10162.50662.50664.35343.83033.83031.77861.7786
H82.18261.10302.81902.53163.08851.77863.83031.77673.18512.6435
H92.18261.10302.81903.08852.53161.77863.83031.77672.64353.1851
H102.18262.81901.10303.08852.53163.83031.77863.18512.64351.7767
H112.18262.81901.10302.53163.08853.83031.77862.64353.18511.7767

picture of Propane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H6 111.686 C1 C2 H8 111.260
C1 C2 H9 111.260 C1 C3 H7 111.686
C1 C3 H10 111.260 C1 C3 H11 111.260
C2 C1 C3 113.129 C2 C1 H4 109.425
C2 C1 H5 109.425 C3 C1 H4 109.425
C3 C1 H5 109.425 H4 C1 H5 105.748
H6 C2 H8 107.561 H6 C2 H9 107.561
H7 C3 H10 107.561 H7 C3 H11 107.561
H8 C2 H9 107.296 H10 C3 H11 107.296
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.127      
2 C -0.090      
3 C -0.090      
4 H 0.036      
5 H 0.036      
6 H 0.038      
7 H 0.038      
8 H 0.040      
9 H 0.040      
10 H 0.040      
11 H 0.040      


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 0.063 0.063
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -21.230 0.000 0.000
y 0.000 -21.886 0.000
z 0.000 0.000 -21.593
Traceless
 xyz
x 0.509 0.000 0.000
y 0.000 -0.474 0.000
z 0.000 0.000 -0.035
Polar
3z2-r2-0.070
x2-y20.656
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.968 0.000 0.000
y 0.000 5.824 0.000
z 0.000 0.000 5.179


<r2> (average value of r2) Å2
<r2> 63.634
(<r2>)1/2 7.977