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All results from a given calculation for C5H8 (Spiropentane)

using model chemistry: HSEh1PBE/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D2D 1A1
Energy calculated at HSEh1PBE/6-31+G**
 hartrees
Energy at 0K-195.068027
Energy at 298.15K-195.076680
HF Energy-195.068027
Nuclear repulsion energy170.669346
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 HSEh1PBE/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 3150 3008 0.00      
2 A1 1499 1432 0.00      
3 A1 1104 1054 0.00      
4 A1 1063 1015 0.00      
5 A1 623 595 0.00      
6 A2 3230 3084 0.00      
7 A2 1172 1119 0.00      
8 A2 836 798 0.00      
9 B1 3229 3083 0.00      
10 B1 1183 1130 0.00      
11 B1 1025 979 0.00      
12 B1 295 282 0.00      
13 B2 3150 3008 37.59      
14 B2 1617 1544 0.77      
15 B2 1441 1376 0.01      
16 B2 1016 970 17.30      
17 B2 935 892 25.76      
18 E 3242 3095 19.86      
18 E 3242 3095 19.86      
19 E 3146 3004 25.72      
19 E 3146 3004 25.72      
20 E 1463 1397 1.57      
20 E 1463 1397 1.57      
21 E 1191 1137 2.10      
21 E 1191 1137 2.10      
22 E 1079 1030 2.41      
22 E 1079 1030 2.41      
23 E 908 867 5.86      
23 E 908 867 5.86      
24 E 793 757 0.82      
24 E 793 757 0.82      
25 E 309 295 0.28      
25 E 309 295 0.28      

Unscaled Zero Point Vibrational Energy (zpe) 25413.3 cm-1
Scaled (by 0.9548) Zero Point Vibrational Energy (zpe) 24264.6 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 HSEh1PBE/6-31+G**
ABC
0.35485 0.13970 0.13970

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/6-31+G**

Point Group is D2d

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.000
C2 0.000 0.762 1.267
C3 0.000 -0.762 1.267
C4 -0.762 0.000 -1.267
C5 0.762 0.000 -1.267
H6 0.915 1.265 1.569
H7 -0.915 1.265 1.569
H8 -0.915 -1.265 1.569
H9 0.915 -1.265 1.569
H10 -1.265 -0.915 -1.569
H11 -1.265 0.915 -1.569
H12 1.265 0.915 -1.569
H13 1.265 -0.915 -1.569

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12 H13
C11.47831.47831.47831.47832.21382.21382.21382.21382.21382.21382.21382.2138
C21.47831.52352.75352.75351.08721.08722.24432.24433.52953.10963.10963.5295
C31.47831.52352.75352.75352.24432.24431.08721.08723.10963.52953.52953.1096
C41.47832.75352.75351.52353.52953.10963.10963.52951.08721.08722.24432.2443
C51.47832.75352.75351.52353.10963.52953.52953.10962.24432.24431.08721.0872
H62.21381.08722.24433.52953.10961.82993.12272.53044.39993.83783.17783.8378
H72.21381.08722.24433.10963.52951.82992.53043.12273.83783.17783.83784.3999
H82.21382.24431.08723.10963.52953.12272.53041.82993.17783.83784.39993.8378
H92.21382.24431.08723.52953.10962.53043.12271.82993.83784.39993.83783.1778
H102.21383.52953.10961.08722.24434.39993.83783.17783.83781.82993.12272.5304
H112.21383.10963.52951.08722.24433.83783.17783.83784.39991.82992.53043.1227
H122.21383.10963.52952.24431.08723.17783.83784.39993.83783.12272.53041.8299
H132.21383.52953.10962.24431.08723.83784.39993.83783.17782.53043.12271.8299

picture of Spiropentane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 58.985 C1 C2 H6 118.491
C1 C2 H7 118.491 C1 C3 C2 58.985
C1 C3 H8 118.491 C1 C3 H9 118.491
C1 C4 C5 58.985 C1 C4 H10 118.491
C1 C4 H11 118.491 C1 C5 C4 58.985
C1 C5 H12 118.491 C1 C5 H13 118.491
C2 C1 C3 62.030 C2 C1 C4 137.265
C2 C1 C5 137.265 C2 C3 H8 117.584
C2 C3 H9 117.584 C3 C1 C4 137.265
C3 C1 C5 137.265 C3 C2 H6 117.584
C3 C2 H7 117.584 C4 C1 C5 62.030
C4 C5 H12 117.584 C4 C5 H13 117.584
C5 C4 H10 117.584 C5 C4 H11 117.584
H6 C2 H7 114.605 H8 C3 H9 114.605
H10 C4 H11 114.605 H12 C5 H13 114.605
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.075      
2 C -0.354      
3 C -0.354      
4 C -0.354      
5 C -0.354      
6 H 0.167      
7 H 0.167      
8 H 0.167      
9 H 0.167      
10 H 0.167      
11 H 0.167      
12 H 0.167      
13 H 0.167      


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 0.000 0.000
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -30.792 0.000 0.000
y 0.000 -30.792 0.000
z 0.000 0.000 -33.002
Traceless
 xyz
x 1.105 0.000 0.000
y 0.000 1.105 0.000
z 0.000 0.000 -2.210
Polar
3z2-r2-4.420
x2-y20.000
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.654 0.000 0.000
y 0.000 7.654 0.000
z 0.000 0.000 9.355


<r2> (average value of r2) Å2
<r2> 111.353
(<r2>)1/2 10.552