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All results from a given calculation for C3H8 (Propane)

using model chemistry: mPW1PW91/aug-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 mPW1PW91/aug-cc-pVDZ
 hartrees
Energy at 0K-119.123408
Energy at 298.15K-119.131772
HF Energy-119.123408
Nuclear repulsion energy82.472671
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 mPW1PW91/aug-cc-pVDZ
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 3135 3004 48.47 89.98 0.56 0.72
2 A1 3053 2926 33.61 125.80 0.11 0.20
3 A1 3049 2922 18.13 362.29 0.00 0.00
4 A1 1490 1428 5.60 0.31 0.75 0.86
5 A1 1470 1409 0.07 12.82 0.75 0.85
6 A1 1402 1343 3.43 0.02 0.72 0.84
7 A1 1173 1124 1.03 2.89 0.15 0.26
8 A1 895 858 1.02 11.22 0.14 0.24
9 A1 368 353 0.09 0.52 0.32 0.48
10 A2 3121 2991 0.00 10.02 0.75 0.86
11 A2 1466 1405 0.00 9.82 0.75 0.86
12 A2 1307 1253 0.00 2.34 0.75 0.86
13 A2 901 863 0.00 0.18 0.75 0.86
14 A2 219 210 0.00 0.01 0.75 0.86
15 B1 3131 3000 93.99 26.65 0.75 0.86
16 B1 3085 2957 3.22 146.97 0.75 0.86
17 B1 1485 1423 14.04 0.08 0.75 0.86
18 B1 1201 1151 0.16 0.34 0.75 0.86
19 B1 743 712 3.36 0.04 0.75 0.86
20 B1 273 262 0.00 0.02 0.75 0.86
21 B2 3132 3002 28.80 53.92 0.75 0.86
22 B2 3046 2919 37.81 0.50 0.75 0.86
23 B2 1473 1412 1.72 0.19 0.75 0.86
24 B2 1393 1335 7.13 0.03 0.75 0.86
25 B2 1349 1293 0.84 0.49 0.75 0.86
26 B2 1089 1043 0.52 4.51 0.75 0.86
27 B2 922 884 1.83 0.00 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 22685.8 cm-1
Scaled (by 0.9583) Zero Point Vibrational Energy (zpe) 21739.8 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 mPW1PW91/aug-cc-pVDZ
ABC
0.98572 0.28118 0.24933

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/aug-cc-pVDZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.583
C2 0.000 1.271 -0.258
C3 0.000 -1.271 -0.258
H4 0.879 0.000 1.244
H5 -0.879 0.000 1.244
H6 0.000 2.170 0.371
H7 0.000 -2.170 0.371
H8 0.886 1.316 -0.907
H9 -0.886 1.316 -0.907
H10 -0.886 -1.316 -0.907
H11 0.886 -1.316 -0.907

Atom - Atom Distances (Å)
  C1 C2 C3 H4 H5 H6 H7 H8 H9 H10 H11
C11.52381.52381.09981.09982.18042.18042.17612.17612.17612.1761
C21.52382.54152.15502.15501.09753.49781.09881.09882.81042.8104
C31.52382.54152.15502.15503.49781.09752.81042.81041.09881.0988
H41.09982.15502.15501.75722.49882.49882.52163.07773.07772.5216
H51.09982.15502.15501.75722.49882.49883.07772.52162.52163.0777
H62.18041.09753.49782.49882.49884.34011.77351.77353.81733.8173
H72.18043.49781.09752.49882.49884.34013.81733.81731.77351.7735
H82.17611.09882.81042.52163.07771.77353.81731.77203.17352.6327
H92.17611.09882.81043.07772.52161.77353.81731.77202.63273.1735
H102.17612.81041.09883.07772.52163.81731.77353.17352.63271.7720
H112.17612.81041.09882.52163.07773.81731.77352.63273.17351.7720

picture of Propane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H6 111.535 C1 C2 H8 111.111
C1 C2 H9 111.111 C1 C3 H7 111.535
C1 C3 H10 111.111 C1 C3 H11 111.111
C2 C1 C3 113.011 C2 C1 H4 109.387
C2 C1 H5 109.387 C3 C1 H4 109.387
C3 C1 H5 109.387 H4 C1 H5 106.042
H6 C2 H8 107.707 H6 C2 H9 107.707
H7 C3 H10 107.707 H7 C3 H11 107.707
H8 C2 H9 107.483 H10 C3 H11 107.483
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.374      
2 C 0.423      
3 C 0.423      
4 H -0.208      
5 H -0.208      
6 H -0.151      
7 H -0.151      
8 H -0.126      
9 H -0.126      
10 H -0.126      
11 H -0.126      


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 0.091 0.091
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -21.407 0.000 0.000
y 0.000 -22.271 0.000
z 0.000 0.000 -21.914
Traceless
 xyz
x 0.685 0.000 0.000
y 0.000 -0.610 0.000
z 0.000 0.000 -0.075
Polar
3z2-r2-0.150
x2-y20.864
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.610 0.000 0.000
y 0.000 6.700 0.000
z 0.000 0.000 5.942


<r2> (average value of r2) Å2
<r2> 63.562
(<r2>)1/2 7.973