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All results from a given calculation for C3H8 (Propane)

using model chemistry: B1B95/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at B1B95/6-31+G**
 hartrees
Energy at 0K-119.069321
Energy at 298.15K-119.077679
HF Energy-119.069321
Nuclear repulsion energy82.691169
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 B1B95/6-31+G**
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 3143 3007 49.58 101.86 0.59 0.74
2 A1 3061 2928 30.94 137.76 0.13 0.23
3 A1 3060 2927 23.63 263.39 0.00 0.00
4 A1 1516 1450 6.89 3.27 0.75 0.86
5 A1 1496 1431 0.00 22.07 0.73 0.84
6 A1 1423 1362 4.22 1.04 0.24 0.39
7 A1 1179 1128 1.11 1.56 0.23 0.38
8 A1 893 854 1.03 11.26 0.23 0.37
9 A1 362 347 0.04 0.33 0.27 0.43
10 A2 3131 2995 0.00 9.43 0.75 0.86
11 A2 1494 1429 0.00 20.34 0.75 0.86
12 A2 1316 1258 0.00 6.54 0.75 0.86
13 A2 909 869 0.00 0.03 0.75 0.86
14 A2 224 214 0.00 0.02 0.75 0.86
15 B1 3140 3004 95.22 34.46 0.75 0.86
16 B1 3094 2959 4.18 160.19 0.75 0.86
17 B1 1512 1446 17.74 0.00 0.75 0.86
18 B1 1211 1158 0.18 0.00 0.75 0.86
19 B1 749 716 3.51 0.15 0.75 0.86
20 B1 274 262 0.00 0.01 0.75 0.86
21 B2 3142 3005 28.13 58.49 0.75 0.86
22 B2 3057 2924 41.62 1.39 0.75 0.86
23 B2 1501 1436 2.85 0.14 0.75 0.86
24 B2 1412 1351 7.81 0.97 0.75 0.86
25 B2 1364 1305 1.55 0.14 0.75 0.86
26 B2 1084 1037 0.58 7.40 0.75 0.86
27 B2 930 890 2.43 0.09 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 22837.4 cm-1
Scaled (by 0.9566) Zero Point Vibrational Energy (zpe) 21846.3 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 B1B95/6-31+G**
ABC
0.98829 0.28277 0.25040

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/6-31+G**

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.585
C2 0.000 1.268 -0.259
C3 0.000 -1.268 -0.259
H4 0.875 0.000 1.243
H5 -0.875 0.000 1.243
H6 0.000 2.166 0.363
H7 0.000 -2.166 0.363
H8 0.882 1.310 -0.904
H9 -0.882 1.310 -0.904
H10 -0.882 -1.310 -0.904
H11 0.882 -1.310 -0.904

Atom - Atom Distances (Å)
  C1 C2 C3 H4 H5 H6 H7 H8 H9 H10 H11
C11.52251.52251.09491.09492.17752.17752.17042.17042.17042.1704
C21.52252.53522.15122.15121.09253.48951.09361.09362.79972.7997
C31.52252.53522.15122.15123.48951.09252.79972.79971.09361.0936
H41.09492.15122.15121.74952.49652.49652.51563.06813.06812.5156
H51.09492.15122.15121.74952.49652.49653.06812.51562.51563.0681
H62.17751.09253.48952.49652.49654.33231.76511.76513.80353.8035
H72.17753.48951.09252.49652.49654.33233.80353.80351.76511.7651
H82.17041.09362.79972.51563.06811.76513.80351.76323.15812.6201
H92.17041.09362.79973.06812.51561.76513.80351.76322.62013.1581
H102.17042.79971.09363.06812.51563.80351.76513.15812.62011.7632
H112.17042.79971.09362.51563.06813.80351.76512.62013.15811.7632

picture of Propane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H6 111.698 C1 C2 H8 111.061
C1 C2 H9 111.061 C1 C3 H7 111.698
C1 C3 H10 111.061 C1 C3 H11 111.061
C2 C1 C3 112.729 C2 C1 H4 109.458
C2 C1 H5 109.458 C3 C1 H4 109.458
C3 C1 H5 109.458 H4 C1 H5 106.059
H6 C2 H8 107.694 H6 C2 H9 107.694
H7 C3 H10 107.694 H7 C3 H11 107.694
H8 C2 H9 107.440 H10 C3 H11 107.440
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.209      
2 C -0.512      
3 C -0.512      
4 H 0.153      
5 H 0.153      
6 H 0.156      
7 H 0.156      
8 H 0.154      
9 H 0.154      
10 H 0.154      
11 H 0.154      


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 0.087 0.087
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -21.450 0.000 0.000
y 0.000 -22.238 0.000
z 0.000 0.000 -21.918
Traceless
 xyz
x 0.628 0.000 0.000
y 0.000 -0.554 0.000
z 0.000 0.000 -0.074
Polar
3z2-r2-0.148
x2-y20.788
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.101 0.000 0.000
y 0.000 5.945 0.000
z 0.000 0.000 5.387


<r2> (average value of r2) Å2
<r2> 63.309
(<r2>)1/2 7.957