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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-118.995977
Energy at 298.15K-119.004387
HF Energy-118.849887
Nuclear repulsion energy82.538310
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 3158 3158 50.79 81.34 0.63 0.77
2 A1 3077 3077 25.69 156.05 0.00 0.00
3 A1 3075 3075 21.28 144.69 0.10 0.18
4 A1 1552 1552 2.73 7.40 0.74 0.85
5 A1 1528 1528 0.01 38.52 0.75 0.86
6 A1 1457 1457 1.56 2.13 0.73 0.84
7 A1 1202 1202 1.04 3.54 0.49 0.66
8 A1 893 893 0.70 10.61 0.26 0.41
9 A1 371 371 0.09 0.23 0.10 0.19
10 A2 3147 3147 0.00 6.89 0.75 0.86
11 A2 1529 1529 0.00 35.99 0.75 0.86
12 A2 1342 1342 0.00 11.56 0.75 0.86
13 A2 926 926 0.00 0.00 0.75 0.86
14 A2 229 229 0.00 0.00 0.75 0.86
15 B1 3156 3156 96.24 36.95 0.75 0.86
16 B1 3108 3108 6.70 135.08 0.75 0.86
17 B1 1546 1546 9.81 0.11 0.75 0.86
18 B1 1242 1242 0.15 0.95 0.75 0.86
19 B1 762 762 2.99 0.15 0.75 0.86
20 B1 282 282 0.00 0.01 0.75 0.86
21 B2 3155 3155 28.01 53.48 0.75 0.86
22 B2 3074 3074 33.57 2.18 0.75 0.86
23 B2 1536 1536 1.40 0.36 0.75 0.86
24 B2 1443 1443 3.28 4.42 0.75 0.86
25 B2 1395 1395 4.06 0.03 0.75 0.86
26 B2 1083 1083 0.33 6.45 0.75 0.86
27 B2 948 948 1.96 0.26 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 23107.4 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 23107.4 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
0.98547 0.28113 0.24894

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 0.587
C2 0.000 1.272 -0.260
C3 0.000 -1.272 -0.260
H4 0.875 0.000 1.244
H5 -0.875 0.000 1.244
H6 0.000 2.169 0.363
H7 0.000 -2.169 0.363
H8 0.882 1.314 -0.904
H9 -0.882 1.314 -0.904
H10 -0.882 -1.314 -0.904
H11 0.882 -1.314 -0.904

Atom - Atom Distances (Å)
  C1 C2 C3 H4 H5 H6 H7 H8 H9 H10 H11
C11.52821.52821.09441.09442.18042.18042.17392.17392.17392.1739
C21.52822.54462.15552.15551.09193.49721.09291.09292.80702.8070
C31.52822.54462.15552.15553.49721.09192.80702.80701.09291.0929
H41.09442.15552.15551.75002.49912.49912.51813.07033.07032.5181
H51.09442.15552.15551.75002.49912.49913.07032.51812.51813.0703
H62.18041.09193.49722.49912.49914.33781.76521.76523.80943.8094
H72.18043.49721.09192.49912.49914.33783.80943.80941.76521.7652
H82.17391.09292.80702.51813.07031.76523.80941.76333.16402.6270
H92.17391.09292.80703.07032.51811.76523.80941.76332.62703.1640
H102.17392.80701.09293.07032.51813.80941.76523.16402.62701.7633
H112.17392.80701.09292.51813.07033.80941.76522.62703.16401.7633

picture of Propane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H6 111.563 C1 C2 H8 110.981
C1 C2 H9 110.981 C1 C3 H7 111.563
C1 C3 H10 110.981 C1 C3 H11 110.981
C2 C1 C3 112.727 C2 C1 H4 109.434
C2 C1 H5 109.434 C3 C1 H4 109.434
C3 C1 H5 109.434 H4 C1 H5 106.166
H6 C2 H8 107.794 H6 C2 H9 107.794
H7 C3 H10 107.794 H7 C3 H11 107.794
H8 C2 H9 107.554 H10 C3 H11 107.554
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 -0.184      
2 C -0.316      
3 C -0.316      
4 H 0.099      
5 H 0.099      
6 H 0.103      
7 H 0.103      
8 H 0.103      
9 H 0.103      
10 H 0.103      
11 H 0.103      


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 0.050 0.050
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -21.361 0.000 0.000
y 0.000 -21.984 0.000
z 0.000 0.000 -21.701
Traceless
 xyz
x 0.482 0.000 0.000
y 0.000 -0.453 0.000
z 0.000 0.000 -0.029
Polar
3z2-r2-0.057
x2-y20.624
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.722 0.000 0.000
y 0.000 5.346 0.000
z 0.000 0.000 4.825


<r2> (average value of r2) Å2
<r2> 63.423
(<r2>)1/2 7.964