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All results from a given calculation for C3H8 (Propane)

using model chemistry: B3LYP/6-31+G**

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/6-31+G**
 hartrees
Energy at 0K-119.159147
Energy at 298.15K-119.167498
HF Energy-119.159147
Nuclear repulsion energy82.235774
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/6-31+G**
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 3100 2989 58.00 103.60 0.58 0.73
2 A1 3030 2921 21.71 279.68 0.00 0.00
3 A1 3025 2917 35.37 122.53 0.16 0.27
4 A1 1517 1462 6.10 2.43 0.75 0.86
5 A1 1496 1443 0.05 22.22 0.72 0.83
6 A1 1426 1375 3.04 0.98 0.18 0.30
7 A1 1176 1134 1.11 1.56 0.24 0.39
8 A1 872 841 0.77 12.06 0.23 0.37
9 A1 367 354 0.04 0.38 0.26 0.41
10 A2 3089 2978 0.00 9.78 0.75 0.86
11 A2 1495 1441 0.00 19.15 0.75 0.86
12 A2 1315 1268 0.00 6.57 0.75 0.86
13 A2 911 878 0.00 0.03 0.75 0.86
14 A2 222 214 0.00 0.02 0.75 0.86
15 B1 3099 2988 107.68 37.20 0.75 0.86
16 B1 3051 2941 5.76 160.96 0.75 0.86
17 B1 1512 1458 16.07 0.00 0.75 0.86
18 B1 1214 1170 0.12 0.00 0.75 0.86
19 B1 752 725 3.07 0.15 0.75 0.86
20 B1 272 262 0.00 0.01 0.75 0.86
21 B2 3098 2987 31.84 60.99 0.75 0.86
22 B2 3026 2917 43.85 1.38 0.75 0.86
23 B2 1502 1448 2.79 0.14 0.75 0.86
24 B2 1410 1360 5.44 0.85 0.75 0.86
25 B2 1367 1318 3.60 0.09 0.75 0.86
26 B2 1059 1021 0.91 7.77 0.75 0.86
27 B2 932 898 1.66 0.22 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 22666.0 cm-1
Scaled (by 0.9642) Zero Point Vibrational Energy (zpe) 21854.6 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 B3LYP/6-31+G**
ABC
0.98180 0.27847 0.24683

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.586
C2 0.000 1.278 -0.260
C3 0.000 -1.278 -0.260
H4 0.878 0.000 1.247
H5 -0.878 0.000 1.247
H6 0.000 2.177 0.367
H7 0.000 -2.177 0.367
H8 0.884 1.324 -0.907
H9 -0.884 1.324 -0.907
H10 -0.884 -1.324 -0.907
H11 0.884 -1.324 -0.907

Atom - Atom Distances (Å)
  C1 C2 C3 H4 H5 H6 H7 H8 H9 H10 H11
C11.53311.53311.09801.09802.18772.18772.18272.18272.18272.1827
C21.53312.55672.16182.16181.09563.51151.09671.09672.82332.8233
C31.53312.55672.16182.16183.51151.09562.82332.82331.09671.0967
H41.09802.16182.16181.75502.50612.50612.52773.08123.08122.5277
H51.09802.16182.16181.75502.50612.50613.08122.52772.52773.0812
H62.18771.09563.51152.50612.50614.35331.77021.77023.82853.8285
H72.18773.51151.09562.50612.50614.35333.82853.82851.77021.7702
H82.18271.09672.82332.52773.08121.77023.82851.76883.18372.6472
H92.18271.09672.82333.08122.52771.77023.82851.76882.64723.1837
H102.18272.82331.09673.08122.52773.82851.77023.18372.64721.7688
H112.18272.82331.09672.52773.08123.82851.77022.64723.18371.7688

picture of Propane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H6 111.566 C1 C2 H8 111.105
C1 C2 H9 111.105 C1 C3 H7 111.566
C1 C3 H10 111.105 C1 C3 H11 111.105
C2 C1 C3 112.983 C2 C1 H4 109.381
C2 C1 H5 109.381 C3 C1 H4 109.381
C3 C1 H5 109.381 H4 C1 H5 106.100
H6 C2 H8 107.694 H6 C2 H9 107.694
H7 C3 H10 107.694 H7 C3 H11 107.694
H8 C2 H9 107.489 H10 C3 H11 107.489
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.154      
2 C -0.488      
3 C -0.488      
4 H 0.138      
5 H 0.138      
6 H 0.143      
7 H 0.143      
8 H 0.142      
9 H 0.142      
10 H 0.142      
11 H 0.142      


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 0.086 0.086
CHELPG        
AIM        
ESP 0.004 0.000 0.059 0.059


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -21.716 0.000 0.000
y 0.000 -22.553 0.000
z 0.000 0.000 -22.206
Traceless
 xyz
x 0.664 0.000 0.000
y 0.000 -0.592 0.000
z 0.000 0.000 -0.071
Polar
3z2-r2-0.143
x2-y20.837
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.167 0.000 0.000
y 0.000 6.063 0.000
z 0.000 0.000 5.477


<r2> (average value of r2) Å2
<r2> 64.143
(<r2>)1/2 8.009