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All results from a given calculation for C3H8 (Propane)

using model chemistry: B3LYP/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 B3LYP/6-31G*
 hartrees
Energy at 0K-119.144243
Energy at 298.15K-119.152606
HF Energy-119.144243
Nuclear repulsion energy82.254147
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 B3LYP/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 3111 2987 57.29 85.67 0.61 0.75
2 A1 3042 2921 23.41 182.74 0.00 0.00
3 A1 3034 2913 26.73 123.06 0.14 0.24
4 A1 1544 1483 3.17 7.75 0.73 0.85
5 A1 1520 1460 0.02 41.25 0.75 0.86
6 A1 1450 1392 1.53 2.69 0.71 0.83
7 A1 1190 1143 1.25 3.62 0.53 0.70
8 A1 880 845 0.76 10.15 0.28 0.44
9 A1 367 353 0.13 0.24 0.12 0.21
10 A2 3099 2976 0.00 7.81 0.75 0.86
11 A2 1521 1460 0.00 38.26 0.75 0.86
12 A2 1332 1279 0.00 12.73 0.75 0.86
13 A2 920 883 0.00 0.01 0.75 0.86
14 A2 225 216 0.00 0.00 0.75 0.86
15 B1 3110 2986 106.61 37.80 0.75 0.86
16 B1 3059 2937 7.00 144.83 0.75 0.86
17 B1 1538 1477 10.59 0.11 0.75 0.86
18 B1 1229 1180 0.23 1.00 0.75 0.86
19 B1 758 728 3.55 0.16 0.75 0.86
20 B1 275 264 0.00 0.01 0.75 0.86
21 B2 3108 2985 31.46 57.83 0.75 0.86
22 B2 3038 2917 35.92 1.66 0.75 0.86
23 B2 1528 1468 1.59 0.51 0.75 0.86
24 B2 1433 1377 3.04 5.46 0.75 0.86
25 B2 1387 1332 5.28 0.21 0.75 0.86
26 B2 1067 1025 0.43 6.11 0.75 0.86
27 B2 941 904 2.14 0.33 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 22852.3 cm-1
Scaled (by 0.9603) Zero Point Vibrational Energy (zpe) 21945.1 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 B3LYP/6-31G*
ABC
0.98143 0.27885 0.24712

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/6-31G*

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.586
C2 0.000 1.277 -0.260
C3 0.000 -1.277 -0.260
H4 0.878 0.000 1.247
H5 -0.878 0.000 1.247
H6 0.000 2.176 0.368
H7 0.000 -2.176 0.368
H8 0.885 1.322 -0.907
H9 -0.885 1.322 -0.907
H10 -0.885 -1.322 -0.907
H11 0.885 -1.322 -0.907

Atom - Atom Distances (Å)
  C1 C2 C3 H4 H5 H6 H7 H8 H9 H10 H11
C11.53221.53221.09851.09852.18702.18702.18232.18232.18232.1823
C21.53222.55452.16162.16161.09623.50981.09721.09722.82142.8214
C31.53222.55452.16162.16163.50981.09622.82142.82141.09721.0972
H41.09852.16162.16161.75532.50572.50572.52793.08153.08152.5279
H51.09852.16162.16161.75532.50572.50573.08152.52792.52793.0815
H62.18701.09623.50982.50572.50574.35201.77111.77113.82723.8272
H72.18703.50981.09622.50572.50574.35203.82723.82721.77111.7711
H82.18231.09722.82142.52793.08151.77113.82721.76933.18202.6448
H92.18231.09722.82143.08152.52791.77113.82721.76932.64483.1820
H102.18232.82141.09723.08152.52793.82721.77113.18202.64481.7693
H112.18232.82141.09722.52793.08153.82721.77112.64483.18201.7693

picture of Propane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H6 111.548 C1 C2 H8 111.115
C1 C2 H9 111.115 C1 C3 H7 111.548
C1 C3 H10 111.115 C1 C3 H11 111.115
C2 C1 C3 112.947 C2 C1 H4 109.400
C2 C1 H5 109.400 C3 C1 H4 109.400
C3 C1 H5 109.400 H4 C1 H5 106.059
H6 C2 H8 107.705 H6 C2 H9 107.705
H7 C3 H10 107.705 H7 C3 H11 107.705
H8 C2 H9 107.466 H10 C3 H11 107.466
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.241      
2 C -0.435      
3 C -0.435      
4 H 0.133      
5 H 0.133      
6 H 0.141      
7 H 0.141      
8 H 0.141      
9 H 0.141      
10 H 0.141      
11 H 0.141      


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 0.056 0.056
CHELPG 0.000 0.000 0.021 0.021
AIM 0.000 0.000 -0.014 0.014
ESP 0.003 0.000 0.024 0.024


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -21.235 0.000 0.000
y 0.000 -21.886 0.000
z 0.000 0.000 -21.580
Traceless
 xyz
x 0.498 0.000 0.000
y 0.000 -0.478 0.000
z 0.000 0.000 -0.020
Polar
3z2-r2-0.040
x2-y20.651
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.708 0.000 0.000
y 0.000 5.349 0.000
z 0.000 0.000 4.816


<r2> (average value of r2) Å2
<r2> 63.731
(<r2>)1/2 7.983