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All results from a given calculation for C5H8 (Spiropentane)

using model chemistry: B3PW91/cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D2D 1A1
Energy calculated at B3PW91/cc-pVTZ
 hartrees
Energy at 0K-195.273929
Energy at 298.15K-195.282589
Nuclear repulsion energy171.035282
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 B3PW91/cc-pVTZ
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 3124 3004 0.00      
2 A1 1489 1432 0.00      
3 A1 1091 1049 0.00      
4 A1 1055 1015 0.00      
5 A1 614 591 0.00      
6 A2 3198 3075 0.00      
7 A2 1170 1125 0.00      
8 A2 838 806 0.00      
9 B1 3197 3074 0.00      
10 B1 1179 1134 0.00      
11 B1 1024 985 0.00      
12 B1 294 283 0.00      
13 B2 3124 3004 36.96      
14 B2 1589 1528 0.65      
15 B2 1431 1376 0.00      
16 B2 1012 974 12.74      
17 B2 923 887 21.37      
18 E 3211 3088 19.77      
18 E 3211 3088 19.77      
19 E 3121 3001 25.19      
19 E 3121 3001 25.19      
20 E 1458 1402 1.76      
20 E 1458 1402 1.76      
21 E 1183 1137 2.13      
21 E 1183 1137 2.13      
22 E 1078 1036 1.40      
22 E 1078 1036 1.40      
23 E 898 863 5.70      
23 E 898 863 5.70      
24 E 788 758 0.62      
24 E 788 758 0.62      
25 E 310 298 0.26      
25 E 310 298 0.26      

Unscaled Zero Point Vibrational Energy (zpe) 25221.2 cm-1
Scaled (by 0.9616) Zero Point Vibrational Energy (zpe) 24252.7 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 B3PW91/cc-pVTZ
ABC
0.35654 0.14021 0.14021

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/cc-pVTZ

Point Group is D2d

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.000
C2 0.000 0.760 1.265
C3 0.000 -0.760 1.265
C4 -0.760 0.000 -1.265
C5 0.760 0.000 -1.265
H6 0.912 1.262 1.567
H7 -0.912 1.262 1.567
H8 -0.912 -1.262 1.567
H9 0.912 -1.262 1.567
H10 -1.262 -0.912 -1.567
H11 -1.262 0.912 -1.567
H12 1.262 0.912 -1.567
H13 1.262 -0.912 -1.567

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12 H13
C11.47581.47581.47581.47582.20872.20872.20872.20872.20872.20872.20872.2087
C21.47581.52062.74872.74871.08341.08342.23842.23843.52233.10393.10393.5223
C31.47581.52062.74872.74872.23842.23841.08341.08343.10393.52233.52233.1039
C41.47582.74872.74871.52063.52233.10393.10393.52231.08341.08342.23842.2384
C51.47582.74872.74871.52063.10393.52233.52233.10392.23842.23841.08341.0834
H62.20871.08342.23843.52233.10391.82343.11312.52324.38973.82993.17293.8299
H72.20871.08342.23843.10393.52231.82342.52323.11313.82993.17293.82994.3897
H82.20872.23841.08343.10393.52233.11312.52321.82343.17293.82994.38973.8299
H92.20872.23841.08343.52233.10392.52323.11311.82343.82994.38973.82993.1729
H102.20873.52233.10391.08342.23844.38973.82993.17293.82991.82343.11312.5232
H112.20873.10393.52231.08342.23843.82993.17293.82994.38971.82342.52323.1131
H122.20873.10393.52232.23841.08343.17293.82994.38973.82993.11312.52321.8234
H132.20873.52233.10392.23841.08343.82994.38973.82993.17292.52323.11311.8234

picture of Spiropentane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 58.990 C1 C2 H6 118.519
C1 C2 H7 118.519 C1 C3 C2 58.990
C1 C3 H8 118.519 C1 C3 H9 118.519
C1 C4 C5 58.990 C1 C4 H10 118.519
C1 C4 H11 118.519 C1 C5 C4 58.990
C1 C5 H12 118.519 C1 C5 H13 118.519
C2 C1 C3 62.020 C2 C1 C4 137.272
C2 C1 C5 137.272 C2 C3 H8 117.563
C2 C3 H9 117.563 C3 C1 C4 137.272
C3 C1 C5 137.272 C3 C2 H6 117.563
C3 C2 H7 117.563 C4 C1 C5 62.020
C4 C5 H12 117.563 C4 C5 H13 117.563
C5 C4 H10 117.563 C5 C4 H11 117.563
H6 C2 H7 114.593 H8 C3 H9 114.593
H10 C4 H11 114.593 H12 C5 H13 114.593
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.056 0.000    
2 C -0.209 0.000    
3 C -0.209 0.000    
4 C -0.209 0.000    
5 C -0.209 0.000    
6 H 0.097 0.000    
7 H 0.097 0.000    
8 H 0.097 0.000    
9 H 0.097 0.000    
10 H 0.097 0.000    
11 H 0.097 0.000    
12 H 0.097 0.000    
13 H 0.097 0.000    


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 0.000 0.000 0.000 0.000
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -30.645 0.000 0.000
y 0.000 -30.645 0.000
z 0.000 0.000 -32.642
Traceless
 xyz
x 0.999 0.000 0.000
y 0.000 0.999 0.000
z 0.000 0.000 -1.997
Polar
3z2-r2-3.995
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 0.000 0.000 0.000
y 0.000 0.000 0.000
z 0.000 0.000 0.000


<r2> (average value of r2) Å2
<r2> 110.853
(<r2>)1/2 10.529