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All results from a given calculation for C5H12 (Pentane)

using model chemistry: B97D3/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 B97D3/TZVP
 hartrees
Energy at 0K-197.712454
Energy at 298.15K-197.725193
HF Energy-197.712454
Nuclear repulsion energy184.316809
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 B97D3/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 3044 3000 61.27      
2 A1 2974 2931 58.03      
3 A1 2968 2925 72.51      
4 A1 2950 2907 3.98      
5 A1 1489 1468 8.06      
6 A1 1473 1451 0.29      
7 A1 1461 1440 0.00      
8 A1 1387 1367 3.08      
9 A1 1345 1325 0.25      
10 A1 1140 1124 1.02      
11 A1 1022 1007 0.57      
12 A1 858 846 0.96      
13 A1 394 388 0.00      
14 A1 174 171 0.00      
15 A2 3039 2995 0.00      
16 A2 2989 2946 0.00      
17 A2 1475 1454 0.00      
18 A2 1314 1295 0.00      
19 A2 1247 1229 0.00      
20 A2 984 970 0.00      
21 A2 759 748 0.00      
22 A2 242 238 0.00      
23 A2 102 100 0.00      
24 B1 3041 2997 150.26      
25 B1 3007 2964 45.52      
26 B1 2972 2930 0.15      
27 B1 1474 1453 14.08      
28 B1 1308 1289 0.70      
29 B1 1185 1168 0.06      
30 B1 860 847 1.18      
31 B1 726 715 3.56      
32 B1 233 229 0.00      
33 B1 110 108 0.00      
34 B2 3044 3000 37.46      
35 B2 2973 2930 55.03      
36 B2 2959 2917 0.00      
37 B2 1481 1460 1.51      
38 B2 1464 1443 0.80      
39 B2 1387 1367 0.58      
40 B2 1370 1350 2.36      
41 B2 1272 1254 3.26      
42 B2 1054 1039 1.39      
43 B2 1018 1004 0.87      
44 B2 908 895 2.43      
45 B2 394 388 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 34533.5 cm-1
Scaled (by 0.9856) Zero Point Vibrational Energy (zpe) 34036.2 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 B97D3/TZVP
ABC
0.56674 0.06433 0.06105

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/TZVP

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.314
C2 0.000 1.282 -0.525
C3 0.000 -1.282 -0.525
C4 0.000 2.556 0.326
C5 0.000 -2.556 0.326
H6 0.879 0.000 0.976
H7 -0.879 0.000 0.976
H8 0.879 1.281 -1.185
H9 -0.879 1.281 -1.185
H10 -0.879 -1.281 -1.185
H11 0.879 -1.281 -1.185
H12 0.000 3.457 -0.299
H13 0.000 -3.457 -0.299
H14 -0.885 2.597 0.973
H15 0.885 2.597 0.973
H16 0.885 -2.597 0.973
H17 -0.885 -2.597 0.973

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12 H13 H14 H15 H16 H17
C11.53241.53242.55652.55651.10051.10052.15892.15892.15892.15893.51143.51142.82172.82172.82172.8217
C21.53242.56491.53183.93202.16102.16101.09951.09952.78902.78902.18674.74532.18052.18054.25174.2517
C31.53242.56493.93201.53182.16102.16102.78902.78901.09951.09954.74532.18674.25174.25172.18052.1805
C42.55651.53183.93205.11302.78062.78062.16412.16414.21654.21651.09646.04631.09731.09735.26895.2689
C52.55653.93201.53185.11302.78062.78064.21654.21652.16412.16416.04631.09645.26895.26891.09731.0973
H61.10052.16102.16102.78062.78061.75842.51233.06633.06632.51233.78853.78853.13972.59712.59713.1397
H71.10052.16102.16102.78062.78061.75843.06632.51232.51233.06633.78853.78852.59713.13973.13972.5971
H82.15891.09952.78902.16414.21652.51233.06631.75793.10652.56132.50934.89983.08272.52804.43784.7756
H92.15891.09952.78902.16414.21653.06632.51231.75792.56133.10652.50934.89982.52803.08274.77564.4378
H102.15892.78901.09954.21652.16413.06632.51233.10652.56131.75794.89982.50934.43784.77563.08272.5280
H112.15892.78901.09954.21652.16412.51233.06632.56133.10651.75794.89982.50934.77564.43782.52803.0827
H123.51142.18674.74531.09646.04633.78853.78852.50932.50934.89984.89986.91501.77251.77256.24976.2497
H133.51144.74532.18676.04631.09643.78853.78854.89984.89982.50932.50936.91506.24976.24971.77251.7725
H142.82172.18054.25171.09735.26893.13972.59713.08272.52804.43784.77561.77256.24971.77055.48765.1941
H152.82172.18054.25171.09735.26892.59713.13972.52803.08274.77564.43781.77256.24971.77055.19415.4876
H162.82174.25172.18055.26891.09732.59713.13974.43784.77563.08272.52806.24971.77255.48765.19411.7705
H172.82174.25172.18055.26891.09733.13972.59714.77564.43782.52803.08276.24971.77255.19415.48761.7705

picture of Pentane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C4 113.089 C1 C2 H8 109.117
C1 C2 H9 109.117 C1 C3 C5 113.089
C1 C3 H10 109.117 C1 C3 H11 109.117
C2 C1 C3 113.623 C2 C1 H6 109.223
C2 C1 H7 109.223 C2 C4 H12 111.542
C2 C4 H14 110.989 C2 C4 H15 110.989
C3 C1 H6 109.223 C3 C1 H7 109.223
C3 C5 H13 111.542 C3 C5 H16 110.989
C3 C5 H17 110.989 C4 C2 H8 109.568
C4 C2 H9 109.568 C5 C3 H10 109.568
C5 C3 H11 109.568 H6 C1 H7 106.049
H8 C2 H9 106.144 H10 C3 H11 106.144
H12 C4 H14 107.797 H12 C4 H15 107.797
H13 C5 H16 107.797 H13 C5 H17 107.797
H14 C4 H15 107.554 H16 C5 H17 107.554
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.204      
2 C -0.152      
3 C -0.152      
4 C -0.324      
5 C -0.324      
6 H 0.084      
7 H 0.084      
8 H 0.090      
9 H 0.090      
10 H 0.090      
11 H 0.090      
12 H 0.113      
13 H 0.113      
14 H 0.100      
15 H 0.100      
16 H 0.100      
17 H 0.100      


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 -0.080 0.080
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -34.723 0.000 0.000
y 0.000 -36.277 0.000
z 0.000 0.000 -35.799
Traceless
 xyz
x 1.315 0.000 0.000
y 0.000 -1.016 0.000
z 0.000 0.000 -0.299
Polar
3z2-r2-0.598
x2-y21.554
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.496 0.000 0.000
y 0.000 11.170 0.000
z 0.000 0.000 8.895


<r2> (average value of r2) Å2
<r2> 202.274
(<r2>)1/2 14.222