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All results from a given calculation for C3H8 (Propane)

using model chemistry: BLYP/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 BLYP/6-31G**
 hartrees
Energy at 0K-119.060165
Energy at 298.15K-119.068451
HF Energy-119.060165
Nuclear repulsion energy81.716156
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/6-31G**
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 3030 3007 58.84 87.22 0.60 0.75
2 A1 2962 2939 25.91 185.11 0.00 0.00
3 A1 2951 2928 25.43 136.87 0.11 0.20
4 A1 1492 1481 1.98 9.14 0.73 0.84
5 A1 1467 1456 0.03 40.70 0.75 0.86
6 A1 1398 1388 0.66 3.55 0.62 0.76
7 A1 1149 1140 1.19 3.48 0.57 0.72
8 A1 847 840 0.67 9.75 0.28 0.44
9 A1 358 355 0.14 0.24 0.15 0.26
10 A2 3019 2995 0.00 8.75 0.75 0.86
11 A2 1469 1458 0.00 38.61 0.75 0.86
12 A2 1288 1278 0.00 12.42 0.75 0.86
13 A2 891 884 0.00 0.00 0.75 0.86
14 A2 222 220 0.00 0.00 0.75 0.86
15 B1 3029 3005 107.54 39.80 0.75 0.86
16 B1 2976 2953 8.23 140.59 0.75 0.86
17 B1 1486 1475 8.04 0.10 0.75 0.86
18 B1 1186 1177 0.23 1.14 0.75 0.86
19 B1 737 731 3.54 0.14 0.75 0.86
20 B1 268 266 0.00 0.00 0.75 0.86
21 B2 3028 3004 31.46 58.11 0.75 0.86
22 B2 2958 2935 37.96 1.12 0.75 0.86
23 B2 1477 1465 1.17 0.68 0.75 0.86
24 B2 1380 1369 1.08 6.48 0.75 0.86
25 B2 1336 1326 8.33 0.62 0.75 0.86
26 B2 1026 1018 0.60 5.33 0.75 0.86
27 B2 910 903 1.82 0.36 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 22167.7 cm-1
Scaled (by 0.9923) Zero Point Vibrational Energy (zpe) 21997.0 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 BLYP/6-31G**
ABC
0.97129 0.27462 0.24350

See section I.F.4 to change rotational constant units
Geometric Data calculated at BLYP/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 1.287 -0.261
C3 0.000 -1.287 -0.261
H4 0.882 0.000 1.254
H5 -0.882 0.000 1.254
H6 0.000 2.190 0.371
H7 0.000 -2.190 0.371
H8 0.889 1.335 -0.912
H9 -0.889 1.335 -0.912
H10 -0.889 -1.335 -0.912
H11 0.889 -1.335 -0.912

Atom - Atom Distances (Å)
  C1 C2 C3 H4 H5 H6 H7 H8 H9 H10 H11
C11.54271.54271.10501.10502.20132.20132.19702.19702.19702.1970
C21.54272.57472.17532.17531.10213.53471.10321.10322.84452.8445
C31.54272.57472.17532.17533.53471.10212.84452.84451.10321.1032
H41.10502.17532.17531.76462.52132.52132.54503.10073.10072.5450
H51.10502.17532.17531.76462.52132.52133.10072.54502.54503.1007
H62.20131.10213.53472.52132.52134.38081.78011.78013.85553.8555
H72.20133.53471.10212.52132.52134.38083.85553.85551.78011.7801
H82.19701.10322.84452.54503.10071.78013.85551.77823.20782.6699
H92.19701.10322.84453.10072.54501.78013.85551.77822.66993.2078
H102.19702.84451.10323.10072.54503.85551.78013.20782.66991.7782
H112.19702.84451.10322.54503.10073.85551.78012.66993.20781.7782

picture of Propane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H6 111.585 C1 C2 H8 111.183
C1 C2 H9 111.183 C1 C3 H7 111.585
C1 C3 H10 111.183 C1 C3 H11 111.183
C2 C1 C3 113.121 C2 C1 H4 109.376
C2 C1 H5 109.376 C3 C1 H4 109.376
C3 C1 H5 109.376 H4 C1 H5 105.967
H6 C2 H8 107.644 H6 C2 H9 107.644
H7 C3 H10 107.644 H7 C3 H11 107.644
H8 C2 H9 107.403 H10 C3 H11 107.403
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.137      
2 C -0.276      
3 C -0.276      
4 H 0.080      
5 H 0.080      
6 H 0.086      
7 H 0.086      
8 H 0.089      
9 H 0.089      
10 H 0.089      
11 H 0.089      


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 0.047 0.047
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -21.367 0.000 0.000
y 0.000 -21.892 0.000
z 0.000 0.000 -21.648
Traceless
 xyz
x 0.403 0.000 0.000
y 0.000 -0.384 0.000
z 0.000 0.000 -0.019
Polar
3z2-r2-0.038
x2-y20.525
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.866 0.000 0.000
y 0.000 5.632 0.000
z 0.000 0.000 5.004


<r2> (average value of r2) Å2
<r2> 64.495
(<r2>)1/2 8.031