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All results from a given calculation for C3H8 (Propane)

using model chemistry: BLYP/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 BLYP/6-311+G(3df,2p)
 hartrees
Energy at 0K-119.097136
Energy at 298.15K-119.105409
HF Energy-119.097136
Nuclear repulsion energy81.949390
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 BLYP/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 3002 2986 55.79 100.06 0.52 0.69
2 A1 2944 2928 27.49 276.95 0.00 0.00
3 A1 2933 2916 23.14 180.42 0.09 0.16
4 A1 1479 1471 5.07 0.93 0.75 0.86
5 A1 1458 1450 0.00 13.31 0.73 0.84
6 A1 1386 1379 1.90 0.00 0.05 0.09
7 A1 1142 1136 1.01 1.93 0.18 0.31
8 A1 837 833 0.67 11.68 0.15 0.27
9 A1 359 357 0.06 0.62 0.33 0.50
10 A2 2990 2974 0.00 11.25 0.75 0.86
11 A2 1458 1450 0.00 10.09 0.75 0.86
12 A2 1282 1275 0.00 2.66 0.75 0.86
13 A2 889 885 0.00 0.24 0.75 0.86
14 A2 214 213 0.00 0.02 0.75 0.86
15 B1 3001 2984 99.93 33.15 0.75 0.86
16 B1 2949 2933 4.88 150.68 0.75 0.86
17 B1 1474 1466 12.82 0.09 0.75 0.86
18 B1 1181 1174 0.04 0.21 0.75 0.86
19 B1 734 730 2.75 0.04 0.75 0.86
20 B1 259 258 0.00 0.03 0.75 0.86
21 B2 3000 2983 31.81 58.54 0.75 0.86
22 B2 2940 2924 39.10 0.37 0.75 0.86
23 B2 1464 1456 2.20 0.25 0.75 0.86
24 B2 1367 1359 1.86 0.04 0.75 0.86
25 B2 1328 1321 5.06 0.29 0.75 0.86
26 B2 1015 1010 1.51 5.31 0.75 0.86
27 B2 907 902 1.08 0.11 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 21996.1 cm-1
Scaled (by 0.9945) Zero Point Vibrational Energy (zpe) 21875.2 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 BLYP/6-311+G(3df,2p)
ABC
0.97736 0.27584 0.24458

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.588
C2 0.000 1.285 -0.261
C3 0.000 -1.285 -0.261
H4 0.879 0.000 1.250
H5 -0.879 0.000 1.250
H6 0.000 2.184 0.369
H7 0.000 -2.184 0.369
H8 0.886 1.332 -0.909
H9 -0.886 1.332 -0.909
H10 -0.886 -1.332 -0.909
H11 0.886 -1.332 -0.909

Atom - Atom Distances (Å)
  C1 C2 C3 H4 H5 H6 H7 H8 H9 H10 H11
C11.54001.54001.10001.10002.19502.19502.19082.19082.19082.1908
C21.54002.56992.16912.16911.09753.52561.09861.09862.83802.8380
C31.54002.56992.16912.16913.52561.09752.83802.83801.09861.0986
H41.10002.16912.16911.75732.51362.51362.53663.08993.08992.5366
H51.10002.16912.16911.75732.51362.51363.08992.53662.53663.0899
H62.19501.09753.52562.51362.51364.36801.77271.77273.84453.8445
H72.19503.52561.09752.51362.51364.36803.84453.84451.77271.7727
H82.19081.09862.83802.53663.08991.77273.84451.77153.19952.6643
H92.19081.09862.83803.08992.53661.77273.84451.77152.66433.1995
H102.19082.83801.09863.08992.53663.84451.77273.19952.66431.7715
H112.19082.83801.09862.53663.08993.84451.77272.66433.19951.7715

picture of Propane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H6 111.555 C1 C2 H8 111.162
C1 C2 H9 111.162 C1 C3 H7 111.555
C1 C3 H10 111.162 C1 C3 H11 111.162
C2 C1 C3 113.110 C2 C1 H4 109.364
C2 C1 H5 109.364 C3 C1 H4 109.364
C3 C1 H5 109.364 H4 C1 H5 106.029
H6 C2 H8 107.649 H6 C2 H9 107.649
H7 C3 H10 107.649 H7 C3 H11 107.649
H8 C2 H9 107.469 H10 C3 H11 107.469
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/6-311+G(3df,2p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.221      
2 C -0.462      
3 C -0.462      
4 H 0.140      
5 H 0.140      
6 H 0.139      
7 H 0.139      
8 H 0.147      
9 H 0.147      
10 H 0.147      
11 H 0.147      


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 0.098 0.098
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -21.938 0.000 0.000
y 0.000 -22.785 0.000
z 0.000 0.000 -22.401
Traceless
 xyz
x 0.655 0.000 0.000
y 0.000 -0.616 0.000
z 0.000 0.000 -0.039
Polar
3z2-r2-0.079
x2-y20.847
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.701 0.000 0.000
y 0.000 6.932 0.000
z 0.000 0.000 6.068


<r2> (average value of r2) Å2
<r2> 64.699
(<r2>)1/2 8.044