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All results from a given calculation for C3H8 (Propane)

using model chemistry: CCSD(T)=FULL/cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at CCSD(T)=FULL/cc-pVTZ
 hartrees
Energy at 0K-118.964227
Energy at 298.15K-118.972640
HF Energy-118.307884
Nuclear repulsion energy82.902550
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 CCSD(T)=FULL/cc-pVTZ
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 3113 2982        
2 A1 3054 2926        
3 A1 3049 2921        
4 A1 1532 1468        
5 A1 1509 1446        
6 A1 1430 1370        
7 A1 1190 1140        
8 A1 893 856        
9 A1 366 350        
10 A2 3097 2967        
11 A2 1510 1446        
12 A2 1331 1275        
13 A2 916 877        
14 A2 231 221        
15 B1 3108 2977        
16 B1 3064 2935        
17 B1 1527 1463        
18 B1 1226 1174        
19 B1 755 723        
20 B1 282 270        
21 B2 3110 2979        
22 B2 3047 2919        
23 B2 1516 1452        
24 B2 1419 1359        
25 B2 1379 1321        
26 B2 1085 1039        
27 B2 937 897        

Unscaled Zero Point Vibrational Energy (zpe) 22836.2 cm-1
Scaled (by 0.958) Zero Point Vibrational Energy (zpe) 21877.1 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 CCSD(T)=FULL/cc-pVTZ
ABC
0.98657 0.28502 0.25190

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD(T)=FULL/cc-pVTZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.589
C2 0.000 1.263 -0.260
C3 0.000 -1.263 -0.260
H4 0.873 0.000 1.241
H5 -0.873 0.000 1.241
H6 0.000 2.161 0.356
H7 0.000 -2.161 0.356
H8 0.880 1.296 -0.902
H9 -0.880 1.296 -0.902
H10 -0.880 -1.296 -0.902
H11 0.880 -1.296 -0.902

Atom - Atom Distances (Å)
  C1 C2 C3 H4 H5 H6 H7 H8 H9 H10 H11
C11.52241.52241.08981.08982.17342.17342.16302.16302.16302.1630
C21.52242.52692.14782.14781.08823.47911.08971.08972.78142.7814
C31.52242.52692.14782.14783.47911.08822.78142.78141.08971.0897
H41.08982.14782.14781.74652.49322.49322.50513.05743.05742.5051
H51.08982.14782.14781.74652.49322.49323.05742.50512.50513.0574
H62.17341.08823.47912.49322.49324.32151.76191.76193.78213.7821
H72.17343.47911.08822.49322.49324.32153.78213.78211.76191.7619
H82.16301.08972.78142.50513.05741.76193.78211.75913.13232.5918
H92.16301.08972.78143.05742.50511.76193.78211.75912.59183.1323
H102.16302.78141.08973.05742.50513.78211.76193.13232.59181.7591
H112.16302.78141.08972.50513.05743.78211.76192.59183.13231.7591

picture of Propane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H6 111.637 C1 C2 H8 110.712
C1 C2 H9 110.712 C1 C3 H7 111.637
C1 C3 H10 110.712 C1 C3 H11 110.712
C2 C1 C3 112.173 C2 C1 H4 109.498
C2 C1 H5 109.498 C3 C1 H4 109.498
C3 C1 H5 109.498 H4 C1 H5 106.513
H6 C2 H8 107.996 H6 C2 H9 107.996
H7 C3 H10 107.996 H7 C3 H11 107.996
H8 C2 H9 107.638 H10 C3 H11 107.638
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability