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All results from a given calculation for C3H8 (Propane)

using model chemistry: CID/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 CID/6-311+G(3df,2p)
 hartrees
Energy at 0K-118.807851
Energy at 298.15K-118.816319
HF Energy-118.304916
Nuclear repulsion energy83.016861
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 CID/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 3200 2957 48.19      
2 A1 3124 2887 12.04      
3 A1 3122 2885 32.27      
4 A1 1575 1456 5.46      
5 A1 1554 1436 0.03      
6 A1 1483 1370 2.81      
7 A1 1226 1133 0.98      
8 A1 915 845 0.67      
9 A1 378 349 0.05      
10 A2 3188 2945 0.00      
11 A2 1553 1435 0.00      
12 A2 1368 1264 0.00      
13 A2 941 870 0.00      
14 A2 227 210 0.00      
15 B1 3199 2956 90.96      
16 B1 3154 2914 3.13      
17 B1 1570 1451 13.14      
18 B1 1264 1168 0.07      
19 B1 774 715 2.32      
20 B1 285 263 0.00      
21 B2 3197 2954 28.44      
22 B2 3118 2881 32.54      
23 B2 1560 1441 1.79      
24 B2 1472 1360 4.93      
25 B2 1427 1318 1.41      
26 B2 1109 1025 0.49      
27 B2 966 892 1.35      

Unscaled Zero Point Vibrational Energy (zpe) 23473.7 cm-1
Scaled (by 0.924) Zero Point Vibrational Energy (zpe) 21689.7 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 CID/6-311+G(3df,2p)
ABC
0.99346 0.28479 0.25191

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.586
C2 0.000 1.264 -0.259
C3 0.000 -1.264 -0.259
H4 0.870 0.000 1.238
H5 -0.870 0.000 1.238
H6 0.000 2.156 0.357
H7 0.000 -2.156 0.357
H8 0.876 1.303 -0.899
H9 -0.876 1.303 -0.899
H10 -0.876 -1.303 -0.899
H11 0.876 -1.303 -0.899

Atom - Atom Distances (Å)
  C1 C2 C3 H4 H5 H6 H7 H8 H9 H10 H11
C11.52111.52111.08691.08692.16862.16862.16162.16162.16162.1616
C21.52112.52842.14422.14421.08473.47591.08591.08592.78672.7867
C31.52112.52842.14422.14423.47591.08472.78672.78671.08591.0859
H41.08692.14422.14421.73972.48652.48652.50323.05213.05212.5032
H51.08692.14422.14421.73972.48652.48653.05212.50322.50323.0521
H62.16861.08473.47592.48652.48654.31301.75411.75413.78323.7832
H72.16863.47591.08472.48652.48654.31303.78323.78321.75411.7541
H82.16161.08592.78672.50323.05211.75413.78321.75283.13982.6050
H92.16161.08592.78673.05212.50321.75413.78321.75282.60503.1398
H102.16162.78671.08593.05212.50323.78321.75413.13982.60501.7528
H112.16162.78671.08592.50323.05213.78321.75412.60503.13981.7528

picture of Propane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H6 111.558 C1 C2 H8 110.920
C1 C2 H9 110.920 C1 C3 H7 111.558
C1 C3 H10 110.920 C1 C3 H11 110.920
C2 C1 C3 112.429 C2 C1 H4 109.477
C2 C1 H5 109.477 C3 C1 H4 109.477
C3 C1 H5 109.477 H4 C1 H5 106.317
H6 C2 H8 107.829 H6 C2 H9 107.829
H7 C3 H10 107.829 H7 C3 H11 107.829
H8 C2 H9 107.621 H10 C3 H11 107.621
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability