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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-119.116849
Energy at 298.15K-119.125248
HF Energy-119.116849
Nuclear repulsion energy82.097400
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 3113 2995 62.02 85.10 0.60 0.75
2 A1 3036 2921 16.98 234.17 0.00 0.01
3 A1 3028 2913 36.79 85.68 0.21 0.34
4 A1 1558 1499 5.99 6.57 0.72 0.84
5 A1 1540 1481 0.00 50.21 0.75 0.86
6 A1 1467 1411 3.11 3.01 0.67 0.80
7 A1 1206 1160 2.10 4.80 0.58 0.73
8 A1 882 849 1.00 11.23 0.28 0.44
9 A1 377 362 0.23 0.26 0.10 0.18
10 A2 3101 2983 0.00 6.89 0.75 0.86
11 A2 1537 1478 0.00 43.71 0.75 0.86
12 A2 1341 1290 0.00 16.18 0.75 0.86
13 A2 942 907 0.00 0.03 0.75 0.86
14 A2 221 213 0.00 0.00 0.75 0.86
15 B1 3113 2995 115.56 37.71 0.75 0.86
16 B1 3056 2940 7.31 147.76 0.75 0.86
17 B1 1552 1493 14.05 0.11 0.75 0.86
18 B1 1248 1200 0.54 1.04 0.75 0.86
19 B1 777 748 5.19 0.19 0.75 0.86
20 B1 269 259 0.00 0.01 0.75 0.86
21 B2 3110 2992 33.81 57.27 0.75 0.86
22 B2 3032 2917 39.85 2.13 0.75 0.86
23 B2 1542 1484 3.15 0.41 0.75 0.86
24 B2 1450 1394 4.01 4.87 0.75 0.86
25 B2 1402 1349 4.83 2.01 0.75 0.86
26 B2 1079 1038 1.25 6.05 0.75 0.86
27 B2 960 923 3.12 0.62 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 22968.8 cm-1
Scaled (by 0.962) Zero Point Vibrational Energy (zpe) 22096.0 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
0.97646 0.27768 0.24597

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 0.589
C2 0.000 1.281 -0.261
C3 0.000 -1.281 -0.261
H4 0.879 0.000 1.250
H5 -0.879 0.000 1.250
H6 0.000 2.180 0.366
H7 0.000 -2.180 0.366
H8 0.886 1.323 -0.908
H9 -0.886 1.323 -0.908
H10 -0.886 -1.323 -0.908
H11 0.886 -1.323 -0.908

Atom - Atom Distances (Å)
  C1 C2 C3 H4 H5 H6 H7 H8 H9 H10 H11
C11.53741.53741.09931.09932.19132.19132.18552.18552.18552.1855
C21.53742.56122.16682.16681.09643.51691.09751.09752.82492.8249
C31.53742.56122.16682.16683.51691.09642.82492.82491.09751.0975
H41.09932.16682.16681.75782.51112.51112.53103.08533.08532.5310
H51.09932.16682.16681.75782.51112.51113.08532.53102.53103.0853
H62.19131.09643.51692.51112.51114.35981.77271.77273.83093.8309
H72.19133.51691.09642.51112.51114.35983.83093.83091.77271.7727
H82.18551.09752.82492.53103.08531.77273.83091.77113.18352.6454
H92.18551.09752.82493.08532.53101.77273.83091.77112.64543.1835
H102.18552.82491.09753.08532.53103.83091.77273.18352.64541.7711
H112.18552.82491.09752.53103.08533.83091.77272.64543.18351.7711

picture of Propane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H6 111.515 C1 C2 H8 110.984
C1 C2 H9 110.984 C1 C3 H7 111.515
C1 C3 H10 110.984 C1 C3 H11 110.984
C2 C1 C3 112.812 C2 C1 H4 109.410
C2 C1 H5 109.410 C3 C1 H4 109.410
C3 C1 H5 109.410 H4 C1 H5 106.173
H6 C2 H8 107.803 H6 C2 H9 107.803
H7 C3 H10 107.803 H7 C3 H11 107.803
H8 C2 H9 107.581 H10 C3 H11 107.581
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 -0.234      
2 C -0.399      
3 C -0.399      
4 H 0.126      
5 H 0.126      
6 H 0.130      
7 H 0.130      
8 H 0.130      
9 H 0.130      
10 H 0.130      
11 H 0.130      


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 0.045 0.045
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -21.385 0.000 0.000
y 0.000 -21.877 0.000
z 0.000 0.000 -21.664
Traceless
 xyz
x 0.385 0.000 0.000
y 0.000 -0.352 0.000
z 0.000 0.000 -0.033
Polar
3z2-r2-0.066
x2-y20.492
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.694 0.000 0.000
y 0.000 5.262 0.000
z 0.000 0.000 4.776


<r2> (average value of r2) Å2
<r2> 63.974
(<r2>)1/2 7.998