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All results from a given calculation for C3H8 (Propane)

using model chemistry: B2PLYP/6-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at B2PLYP/6-31G
 hartrees
Energy at 0K-118.896725
Energy at 298.15K-118.905154
HF Energy-118.803612
Nuclear repulsion energy82.109931
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 B2PLYP/6-31G
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 3136 3136 59.10 81.76 0.62 0.76
2 A1 3055 3055 9.80 251.24 0.01 0.01
3 A1 3051 3051 41.31 55.31 0.31 0.47
4 A1 1576 1576 5.41 6.19 0.73 0.84
5 A1 1559 1559 0.01 49.66 0.75 0.86
6 A1 1485 1485 3.14 2.65 0.69 0.82
7 A1 1221 1221 1.77 5.31 0.57 0.73
8 A1 889 889 0.89 12.01 0.26 0.42
9 A1 379 379 0.17 0.27 0.09 0.16
10 A2 3124 3124 0.00 6.05 0.75 0.86
11 A2 1555 1555 0.00 43.03 0.75 0.86
12 A2 1357 1357 0.00 16.54 0.75 0.86
13 A2 952 952 0.00 0.04 0.75 0.86
14 A2 224 224 0.00 0.00 0.75 0.86
15 B1 3136 3136 111.42 37.24 0.75 0.86
16 B1 3082 3082 7.20 142.00 0.75 0.86
17 B1 1570 1570 13.34 0.13 0.75 0.86
18 B1 1269 1269 0.35 1.10 0.75 0.86
19 B1 782 782 4.35 0.19 0.75 0.86
20 B1 273 273 0.00 0.01 0.75 0.86
21 B2 3132 3132 32.30 54.73 0.75 0.86
22 B2 3052 3052 37.69 2.87 0.75 0.86
23 B2 1561 1561 2.97 0.29 0.75 0.86
24 B2 1467 1467 3.87 4.53 0.75 0.86
25 B2 1420 1420 4.17 1.65 0.75 0.86
26 B2 1089 1089 1.12 6.55 0.75 0.86
27 B2 969 969 2.82 0.67 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 23182.6 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 23182.6 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 B2PLYP/6-31G
ABC
0.97537 0.27784 0.24602

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/6-31G

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.591
C2 0.000 1.281 -0.262
C3 0.000 -1.281 -0.262
H4 0.879 0.000 1.249
H5 -0.879 0.000 1.249
H6 0.000 2.179 0.365
H7 0.000 -2.179 0.365
H8 0.885 1.320 -0.908
H9 -0.885 1.320 -0.908
H10 -0.885 -1.320 -0.908
H11 0.885 -1.320 -0.908

Atom - Atom Distances (Å)
  C1 C2 C3 H4 H5 H6 H7 H8 H9 H10 H11
C11.53851.53851.09821.09822.19092.19092.18432.18432.18432.1843
C21.53852.56132.16712.16711.09563.51621.09661.09662.82202.8220
C31.53852.56132.16712.16713.51621.09562.82202.82201.09661.0966
H41.09822.16712.16711.75762.51082.51082.52873.08343.08342.5287
H51.09822.16712.16711.75762.51082.51083.08342.52872.52873.0834
H62.19091.09563.51622.51082.51084.35851.77241.77243.82713.8271
H72.19093.51621.09562.51082.51084.35853.82713.82711.77241.7724
H82.18431.09662.82202.52873.08341.77243.82711.77103.17882.6398
H92.18431.09662.82203.08342.52871.77243.82711.77102.63983.1788
H102.18432.82201.09663.08342.52873.82711.77243.17882.63981.7710
H112.18432.82201.09662.52873.08343.82711.77242.63983.17881.7710

picture of Propane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H6 111.451 C1 C2 H8 110.862
C1 C2 H9 110.862 C1 C3 H7 111.451
C1 C3 H10 110.862 C1 C3 H11 110.862
C2 C1 C3 112.686 C2 C1 H4 109.412
C2 C1 H5 109.412 C3 C1 H4 109.412
C3 C1 H5 109.412 H4 C1 H5 106.304
H6 C2 H8 107.905 H6 C2 H9 107.905
H7 C3 H10 107.905 H7 C3 H11 107.905
H8 C2 H9 107.704 H10 C3 H11 107.704
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.246      
2 C -0.403      
3 C -0.403      
4 H 0.129      
5 H 0.129      
6 H 0.132      
7 H 0.132      
8 H 0.132      
9 H 0.132      
10 H 0.132      
11 H 0.132      


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 0.046 0.046
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -21.621 0.000 0.000
y 0.000 -22.147 0.000
z 0.000 0.000 -21.923
Traceless
 xyz
x 0.415 0.000 0.000
y 0.000 -0.375 0.000
z 0.000 0.000 -0.039
Polar
3z2-r2-0.079
x2-y20.527
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.676 0.000 0.000
y 0.000 5.196 0.000
z 0.000 0.000 4.741


<r2> (average value of r2) Å2
<r2> 64.104
(<r2>)1/2 8.007