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All results from a given calculation for C3H8 (Propane)

using model chemistry: CCD/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 CCD/6-311+G(3df,2p)
 hartrees
Energy at 0K-118.879643
Energy at 298.15K-118.888046
HF Energy-118.304697
Nuclear repulsion energy82.661046
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 CCD/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 3133 2955 44.74      
2 A1 3056 2882 24.81      
3 A1 3053 2879 18.57      
4 A1 1538 1450 5.17      
5 A1 1517 1430 0.01      
6 A1 1445 1362 2.60      
7 A1 1196 1128 0.85      
8 A1 896 845 0.66      
9 A1 370 349 0.04      
10 A2 3121 2944 0.00      
11 A2 1516 1429 0.00      
12 A2 1335 1259 0.00      
13 A2 919 867 0.00      
14 A2 223 210 0.00      
15 B1 3131 2953 85.42      
16 B1 3087 2912 3.11      
17 B1 1533 1446 12.65      
18 B1 1232 1162 0.05      
19 B1 756 713 2.14      
20 B1 278 263 0.00      
21 B2 3131 2953 27.03      
22 B2 3050 2876 31.69      
23 B2 1523 1436 1.78      
24 B2 1432 1351 4.48      
25 B2 1391 1311 1.59      
26 B2 1087 1025 0.49      
27 B2 942 888 1.28      

Unscaled Zero Point Vibrational Energy (zpe) 22943.5 cm-1
Scaled (by 0.9431) Zero Point Vibrational Energy (zpe) 21638.0 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 CCD/6-311+G(3df,2p)
ABC
0.98254 0.28298 0.25018

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCD/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 1.245
H5 -0.875 0.000 1.245
H6 0.000 2.166 0.358
H7 0.000 -2.166 0.358
H8 0.881 1.305 -0.904
H9 -0.881 1.305 -0.904
H10 -0.881 -1.305 -0.904
H11 0.881 -1.305 -0.904

Atom - Atom Distances (Å)
  C1 C2 C3 H4 H5 H6 H7 H8 H9 H10 H11
C11.52681.52681.09301.09302.17862.17862.17062.17062.17062.1706
C21.52682.53572.15412.15411.09073.48931.09191.09192.79432.7943
C31.52682.53572.15412.15413.48931.09072.79432.79431.09191.0919
H41.09302.15412.15411.74982.49902.49902.51443.06693.06692.5144
H51.09302.15412.15411.74982.49902.49903.06692.51442.51443.0669
H62.17861.09073.48932.49902.49904.33241.76411.76413.79683.7968
H72.17863.48931.09072.49902.49904.33243.79683.79681.76411.7641
H82.17061.09192.79432.51443.06691.76413.79681.76253.14872.6092
H92.17061.09192.79433.06692.51441.76413.79681.76252.60923.1487
H102.17062.79431.09193.06692.51443.79681.76413.14872.60921.7625
H112.17062.79431.09192.51443.06693.79681.76412.60923.14871.7625

picture of Propane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H6 111.592 C1 C2 H8 110.878
C1 C2 H9 110.878 C1 C3 H7 111.592
C1 C3 H10 110.878 C1 C3 H11 110.878
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 107.853 H6 C2 H9 107.853
H7 C3 H10 107.853 H7 C3 H11 107.853
H8 C2 H9 107.625 H10 C3 H11 107.625
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability