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All results from a given calculation for C3H8 (Propane)

using model chemistry: CCSD/6-311+G(3df,2p)

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/6-311+G(3df,2p)
 hartrees
Energy at 0K-118.882410
Energy at 298.15K-118.890810
HF Energy-118.304658
Nuclear repulsion energy82.638599
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/6-311+G(3df,2p)
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 2945 47.22      
2 A1 3047 2873 4.53      
3 A1 3045 2872 40.12      
4 A1 1536 1448 4.87      
5 A1 1514 1428 0.01      
6 A1 1443 1360 2.45      
7 A1 1194 1126 0.80      
8 A1 894 843 0.63      
9 A1 369 348 0.04      
10 A2 3110 2933 0.00      
11 A2 1513 1427 0.00      
12 A2 1333 1257 0.00      
13 A2 917 865 0.00      
14 A2 223 210 0.00      
15 B1 3120 2943 89.55      
16 B1 3075 2900 3.44      
17 B1 1530 1443 12.28      
18 B1 1230 1160 0.05      
19 B1 755 712 2.04      
20 B1 278 262 0.00      
21 B2 3120 2942 28.61      
22 B2 3042 2869 32.55      
23 B2 1521 1434 1.71      
24 B2 1430 1349 4.22      
25 B2 1388 1309 1.77      
26 B2 1084 1023 0.50      
27 B2 940 886 1.20      

Unscaled Zero Point Vibrational Energy (zpe) 22886.2 cm-1
Scaled (by 0.9431) Zero Point Vibrational Energy (zpe) 21583.9 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/6-311+G(3df,2p)
ABC
0.98191 0.28288 0.25010

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD/6-311+G(3df,2p)

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.590
C2 0.000 1.268 -0.261
C3 0.000 -1.268 -0.261
H4 0.875 0.000 1.246
H5 -0.875 0.000 1.246
H6 0.000 2.167 0.358
H7 0.000 -2.167 0.358
H8 0.882 1.305 -0.905
H9 -0.882 1.305 -0.905
H10 -0.882 -1.305 -0.905
H11 0.882 -1.305 -0.905

Atom - Atom Distances (Å)
  C1 C2 C3 H4 H5 H6 H7 H8 H9 H10 H11
C11.52701.52701.09361.09362.17922.17922.17122.17122.17122.1712
C21.52702.53602.15472.15471.09123.49011.09241.09242.79482.7948
C31.52702.53602.15472.15473.49011.09122.79482.79481.09241.0924
H41.09362.15472.15471.75072.49982.49982.51513.06803.06802.5151
H51.09362.15472.15471.75072.49982.49983.06802.51512.51513.0680
H62.17921.09123.49012.49982.49984.33361.76491.76493.79783.7978
H72.17923.49011.09122.49982.49984.33363.79783.79781.76491.7649
H82.17121.09242.79482.51513.06801.76493.79781.76333.14942.6095
H92.17121.09242.79483.06802.51511.76493.79781.76332.60953.1494
H102.17122.79481.09243.06802.51513.79781.76493.14942.60951.7633
H112.17122.79481.09242.51513.06803.79781.76492.60953.14941.7633

picture of Propane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H6 111.595 C1 C2 H8 110.877
C1 C2 H9 110.877 C1 C3 H7 111.595
C1 C3 H10 110.877 C1 C3 H11 110.877
C2 C1 C3 112.281 C2 C1 H4 109.509
C2 C1 H5 109.509 C3 C1 H4 109.509
C3 C1 H5 109.509 H4 C1 H5 106.346
H6 C2 H8 107.852 H6 C2 H9 107.852
H7 C3 H10 107.852 H7 C3 H11 107.852
H8 C2 H9 107.624 H10 C3 H11 107.624
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability