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All results from a given calculation for C5H8 (Spiropentane)

using model chemistry: PBEPBE/Def2TZVPP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D2D 1A1
Energy calculated at PBEPBE/Def2TZVPP
 hartrees
Energy at 0K-195.075060
Energy at 298.15K-195.083542
HF Energy-195.075060
Nuclear repulsion energy170.060644
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/Def2TZVPP
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 3052 3015 0.00      
2 A1 1442 1424 0.00      
3 A1 1057 1044 0.00      
4 A1 1018 1006 0.00      
5 A1 597 590 0.00      
6 A2 3125 3087 0.00      
7 A2 1131 1118 0.00      
8 A2 811 801 0.00      
9 B1 3124 3086 0.00      
10 B1 1141 1127 0.00      
11 B1 991 979 0.00      
12 B1 285 282 0.00      
13 B2 3051 3014 39.35      
14 B2 1536 1518 0.40      
15 B2 1389 1372 0.04      
16 B2 972 960 15.85      
17 B2 893 882 16.10      
18 E 3138 3100 19.70      
18 E 3138 3100 19.70      
19 E 3049 3012 26.38      
19 E 3049 3012 26.38      
20 E 1413 1396 1.75      
20 E 1413 1396 1.75      
21 E 1143 1129 1.52      
21 E 1143 1129 1.52      
22 E 1034 1021 1.70      
22 E 1034 1021 1.70      
23 E 872 861 4.76      
23 E 872 861 4.76      
24 E 764 755 0.61      
24 E 764 755 0.61      
25 E 298 294 0.24      
25 E 298 294 0.24      

Unscaled Zero Point Vibrational Energy (zpe) 24517.7 cm-1
Scaled (by 0.9879) Zero Point Vibrational Energy (zpe) 24221.0 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 PBEPBE/Def2TZVPP
ABC
0.35224 0.13873 0.13873

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/Def2TZVPP

Point Group is D2d

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.000
C2 0.000 0.764 1.271
C3 0.000 -0.764 1.271
C4 -0.764 0.000 -1.271
C5 0.764 0.000 -1.271
H6 0.917 1.269 1.575
H7 -0.917 1.269 1.575
H8 -0.917 -1.269 1.575
H9 0.917 -1.269 1.575
H10 -1.269 -0.917 -1.575
H11 -1.269 0.917 -1.575
H12 1.269 0.917 -1.575
H13 1.269 -0.917 -1.575

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12 H13
C11.48231.48231.48231.48232.22122.22122.22122.22122.22122.22122.22122.2212
C21.48231.52722.76102.76101.09081.09082.25102.25103.54033.11983.11983.5403
C31.48231.52722.76102.76102.25102.25101.09081.09083.11983.54033.54033.1198
C41.48232.76102.76101.52723.54033.11983.11983.54031.09081.09082.25102.2510
C51.48232.76102.76101.52723.11983.54033.54033.11982.25102.25101.09081.0908
H62.22121.09082.25103.54033.11981.83423.13212.53894.41433.85093.18943.8509
H72.22121.09082.25103.11983.54031.83422.53893.13213.85093.18943.85094.4143
H82.22122.25101.09083.11983.54033.13212.53891.83423.18943.85094.41433.8509
H92.22122.25101.09083.54033.11982.53893.13211.83423.85094.41433.85093.1894
H102.22123.54033.11981.09082.25104.41433.85093.18943.85091.83423.13212.5389
H112.22123.11983.54031.09082.25103.85093.18943.85094.41431.83422.53893.1321
H122.22123.11983.54032.25101.09083.18943.85094.41433.85093.13212.53891.8342
H132.22123.54033.11982.25101.09083.85094.41433.85093.18942.53893.13211.8342

picture of Spiropentane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 58.994 C1 C2 H6 118.572
C1 C2 H7 118.572 C1 C3 C2 58.994
C1 C3 H8 118.572 C1 C3 H9 118.572
C1 C4 C5 58.994 C1 C4 H10 118.572
C1 C4 H11 118.572 C1 C5 C4 58.994
C1 C5 H12 118.572 C1 C5 H13 118.572
C2 C1 C3 62.012 C2 C1 C4 137.277
C2 C1 C5 137.277 C2 C3 H8 117.630
C2 C3 H9 117.630 C3 C1 C4 137.277
C3 C1 C5 137.277 C3 C2 H6 117.630
C3 C2 H7 117.630 C4 C1 C5 62.012
C4 C5 H12 117.630 C4 C5 H13 117.630
C5 C4 H10 117.630 C5 C4 H11 117.630
H6 C2 H7 114.447 H8 C3 H9 114.447
H10 C4 H11 114.447 H12 C5 H13 114.447
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/Def2TZVPP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.003      
2 C -0.134      
3 C -0.134      
4 C -0.134      
5 C -0.134      
6 H 0.066      
7 H 0.066      
8 H 0.066      
9 H 0.066      
10 H 0.066      
11 H 0.066      
12 H 0.066      
13 H 0.066      


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 -31.095 0.000 0.000
y 0.000 -31.095 0.000
z 0.000 0.000 -33.137
Traceless
 xyz
x 1.021 0.000 0.000
y 0.000 1.021 0.000
z 0.000 0.000 -2.042
Polar
3z2-r2-4.084
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 8.165 0.000 0.000
y 0.000 8.165 0.000
z 0.000 0.000 9.909


<r2> (average value of r2) Å2
<r2> 112.170
(<r2>)1/2 10.591