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All results from a given calculation for C3H8 (Propane)

using model chemistry: PBEPBE/TZVP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at PBEPBE/TZVP
 hartrees
Energy at 0K-118.998771
Energy at 298.15K-119.007062
HF Energy-118.998771
Nuclear repulsion energy82.176725
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 PBEPBE/TZVP
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 3038 3004 47.00 96.85 0.57 0.72
2 A1 2963 2930 38.19 158.77 0.01 0.03
3 A1 2958 2925 11.08 287.29 0.05 0.09
4 A1 1465 1448 7.06 3.90 0.73 0.85
5 A1 1443 1427 0.09 27.83 0.75 0.86
6 A1 1374 1358 3.90 0.56 0.75 0.86
7 A1 1141 1128 1.45 1.54 0.30 0.47
8 A1 861 851 1.12 9.05 0.24 0.39
9 A1 358 354 0.07 0.36 0.19 0.33
10 A2 3025 2991 0.00 10.13 0.75 0.86
11 A2 1442 1426 0.00 23.31 0.75 0.86
12 A2 1277 1263 0.00 7.44 0.75 0.86
13 A2 886 876 0.00 0.05 0.75 0.86
14 A2 219 217 0.00 0.02 0.75 0.86
15 B1 3034 3000 89.66 35.09 0.75 0.86
16 B1 2984 2950 4.02 165.02 0.75 0.86
17 B1 1460 1443 16.16 0.00 0.75 0.86
18 B1 1173 1160 0.27 0.01 0.75 0.86
19 B1 731 723 3.90 0.24 0.75 0.86
20 B1 266 263 0.00 0.00 0.75 0.86
21 B2 3035 3001 27.47 59.89 0.75 0.86
22 B2 2960 2927 34.76 0.67 0.75 0.86
23 B2 1449 1433 2.62 0.76 0.75 0.86
24 B2 1356 1341 6.72 1.13 0.75 0.86
25 B2 1321 1306 2.38 0.00 0.75 0.86
26 B2 1045 1033 0.99 5.09 0.75 0.86
27 B2 903 893 2.12 0.03 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 22081.9 cm-1
Scaled (by 0.9888) Zero Point Vibrational Energy (zpe) 21834.6 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 PBEPBE/TZVP
ABC
0.97806 0.27910 0.24734

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/TZVP

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.586
C2 0.000 1.276 -0.259
C3 0.000 -1.276 -0.259
H4 0.881 0.000 1.250
H5 -0.881 0.000 1.250
H6 0.000 2.180 0.368
H7 0.000 -2.180 0.368
H8 0.888 1.320 -0.910
H9 -0.888 1.320 -0.910
H10 -0.888 -1.320 -0.910
H11 0.888 -1.320 -0.910

Atom - Atom Distances (Å)
  C1 C2 C3 H4 H5 H6 H7 H8 H9 H10 H11
C11.53051.53051.10301.10302.19062.19062.18402.18402.18402.1840
C21.53052.55132.16382.16381.10023.51171.10141.10142.81972.8197
C31.53052.55132.16382.16383.51171.10022.81972.81971.10141.1014
H41.10302.16382.16381.76112.51102.51102.53183.08823.08822.5318
H51.10302.16382.16381.76112.51102.51103.08822.53182.53183.0882
H62.19061.10023.51172.51102.51104.35931.77731.77733.83023.8302
H72.19063.51171.10022.51102.51104.35933.83023.83021.77731.7773
H82.18401.10142.81972.53183.08821.77733.83021.77543.18212.6408
H92.18401.10142.81973.08822.53181.77733.83021.77542.64083.1821
H102.18402.81971.10143.08822.53183.83021.77733.18212.64081.7754
H112.18402.81971.10142.53183.08823.83021.77732.64083.18211.7754

picture of Propane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H6 111.710 C1 C2 H8 111.109
C1 C2 H9 111.109 C1 C3 H7 111.710
C1 C3 H10 111.109 C1 C3 H11 111.109
C2 C1 C3 112.922 C2 C1 H4 109.433
C2 C1 H5 109.433 C3 C1 H4 109.433
C3 C1 H5 109.433 H4 C1 H5 105.950
H6 C2 H8 107.655 H6 C2 H9 107.655
H7 C3 H10 107.655 H7 C3 H11 107.655
H8 C2 H9 107.403 H10 C3 H11 107.403
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.206      
2 C -0.363      
3 C -0.363      
4 H 0.114      
5 H 0.114      
6 H 0.127      
7 H 0.127      
8 H 0.113      
9 H 0.113      
10 H 0.113      
11 H 0.113      


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 0.084 0.084
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -21.703 0.000 0.000
y 0.000 -22.458 0.000
z 0.000 0.000 -22.167
Traceless
 xyz
x 0.609 0.000 0.000
y 0.000 -0.523 0.000
z 0.000 0.000 -0.086
Polar
3z2-r2-0.172
x2-y20.755
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.547 0.000 0.000
y 0.000 6.484 0.000
z 0.000 0.000 5.750


<r2> (average value of r2) Å2
<r2> 64.093
(<r2>)1/2 8.006