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All results from a given calculation for C3H8 (Propane)

using model chemistry: HF/cc-pVQZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at HF/cc-pVQZ
 hartrees
Energy at 0K-118.315741
Energy at 298.15K-118.324287
HF Energy-118.315741
Nuclear repulsion energy82.898722
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 HF/cc-pVQZ
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 3210 2916 81.68 88.48 0.49 0.66
2 A1 3152 2864 2.76 416.29 0.02 0.03
3 A1 3146 2858 53.71 27.14 0.75 0.86
4 A1 1629 1480 3.94 0.31 0.65 0.79
5 A1 1607 1460 0.28 15.99 0.75 0.85
6 A1 1543 1402 2.10 0.27 0.01 0.02
7 A1 1273 1157 1.04 3.13 0.15 0.26
8 A1 920 836 0.44 15.05 0.15 0.26
9 A1 391 356 0.03 0.50 0.22 0.36
10 A2 3196 2903 0.00 9.05 0.75 0.86
11 A2 1605 1458 0.00 11.59 0.75 0.86
12 A2 1420 1290 0.00 3.55 0.75 0.86
13 A2 975 886 0.00 0.06 0.75 0.86
14 A2 233 212 0.00 0.01 0.75 0.86
15 B1 3212 2918 145.21 24.69 0.75 0.86
16 B1 3163 2873 3.16 158.08 0.75 0.86
17 B1 1622 1474 11.27 0.03 0.75 0.86
18 B1 1318 1197 0.02 0.06 0.75 0.86
19 B1 802 729 2.02 0.07 0.75 0.86
20 B1 292 266 0.00 0.00 0.75 0.86
21 B2 3206 2912 44.93 58.31 0.75 0.86
22 B2 3146 2858 43.41 1.38 0.75 0.86
23 B2 1612 1464 1.23 0.15 0.75 0.86
24 B2 1532 1392 3.80 0.16 0.75 0.86
25 B2 1485 1349 2.59 0.45 0.75 0.86
26 B2 1117 1015 0.65 6.77 0.75 0.86
27 B2 1003 911 0.81 0.19 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 23906.3 cm-1
Scaled (by 0.9084) Zero Point Vibrational Energy (zpe) 21716.5 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 HF/cc-pVQZ
ABC
0.99850 0.28221 0.25011

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

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 -0.259
C3 0.000 -1.271 -0.259
H4 0.868 0.000 1.234
H5 -0.868 0.000 1.234
H6 0.000 2.157 0.365
H7 0.000 -2.157 0.365
H8 0.875 1.316 -0.898
H9 -0.875 1.316 -0.898
H10 -0.875 -1.316 -0.898
H11 0.875 -1.316 -0.898

Atom - Atom Distances (Å)
  C1 C2 C3 H4 H5 H6 H7 H8 H9 H10 H11
C11.52461.52461.08531.08532.16822.16822.16562.16562.16562.1656
C21.52462.54192.14452.14451.08353.48431.08451.08452.80442.8044
C31.52462.54192.14452.14453.48431.08352.80442.80441.08451.0845
H41.08532.14452.14451.73662.48262.48262.50523.05233.05232.5052
H51.08532.14452.14451.73662.48262.48263.05232.50522.50523.0523
H62.16821.08353.48432.48262.48264.31431.75151.75153.79733.7973
H72.16823.48431.08352.48262.48264.31433.79733.79731.75151.7515
H82.16561.08452.80442.50523.05231.75153.79731.75073.16042.6312
H92.16561.08452.80443.05232.50521.75153.79731.75072.63123.1604
H102.16562.80441.08453.05232.50523.79731.75153.16042.63121.7507
H112.16562.80441.08452.50523.05233.79731.75152.63123.16041.7507

picture of Propane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H6 111.342 C1 C2 H8 111.076
C1 C2 H9 111.076 C1 C3 H7 111.342
C1 C3 H10 111.076 C1 C3 H11 111.076
C2 C1 C3 112.944 C2 C1 H4 109.352
C2 C1 H5 109.352 C3 C1 H4 109.352
C3 C1 H5 109.352 H4 C1 H5 106.268
H6 C2 H8 107.773 H6 C2 H9 107.773
H7 C3 H10 107.773 H7 C3 H11 107.773
H8 C2 H9 107.631 H10 C3 H11 107.631
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/cc-pVQZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.119      
2 C -0.211      
3 C -0.211      
4 H 0.067      
5 H 0.067      
6 H 0.078      
7 H 0.078      
8 H 0.063      
9 H 0.063      
10 H 0.063      
11 H 0.063      


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 0.086 0.086
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -21.447 0.000 0.000
y 0.000 -22.387 0.000
z 0.000 0.000 -21.957
Traceless
 xyz
x 0.725 0.000 0.000
y 0.000 -0.685 0.000
z 0.000 0.000 -0.040
Polar
3z2-r2-0.080
x2-y20.941
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.209 0.000 0.000
y 0.000 6.114 0.000
z 0.000 0.000 5.448


<r2> (average value of r2) Å2
<r2> 63.266
(<r2>)1/2 7.954