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All results from a given calculation for C5H8 (Spiropentane)

using model chemistry: B2PLYP/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 B2PLYP/cc-pVTZ
 hartrees
Energy at 0K-195.149414
Energy at 298.15K-195.158079
HF Energy-194.875991
Nuclear repulsion energy170.853616
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 B2PLYP/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 3141 3013 0.00      
2 A1 1509 1447 0.00      
3 A1 1084 1040 0.00      
4 A1 1061 1018 0.00      
5 A1 603 579 0.00      
6 A2 3216 3086 0.00      
7 A2 1181 1133 0.00      
8 A2 849 815 0.00      
9 B1 3215 3085 0.00      
10 B1 1191 1142 0.00      
11 B1 1036 994 0.00      
12 B1 297 285 0.00      
13 B2 3141 3014 34.61      
14 B2 1589 1525 1.03      
15 B2 1446 1388 0.01      
16 B2 1025 983 14.35      
17 B2 905 868 18.89      
18 E 3229 3098 20.08      
18 E 3229 3098 20.08      
19 E 3137 3010 24.30      
19 E 3137 3010 24.30      
20 E 1478 1418 1.17      
20 E 1478 1418 1.17      
21 E 1191 1143 1.85      
21 E 1191 1143 1.85      
22 E 1088 1044 1.12      
22 E 1088 1044 1.12      
23 E 897 861 6.38      
23 E 897 861 6.38      
24 E 795 762 0.57      
24 E 795 762 0.57      
25 E 306 294 0.20      
25 E 306 294 0.20      

Unscaled Zero Point Vibrational Energy (zpe) 25365.4 cm-1
Scaled (by 0.9594) Zero Point Vibrational Energy (zpe) 24335.6 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 B2PLYP/cc-pVTZ
ABC
0.35498 0.13994 0.13994

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/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 0.762 1.266
C3 0.000 -0.762 1.266
C4 -0.762 0.000 -1.266
C5 0.762 0.000 -1.266
H6 0.910 1.263 1.567
H7 -0.910 1.263 1.567
H8 -0.910 -1.263 1.567
H9 0.910 -1.263 1.567
H10 -1.263 -0.910 -1.567
H11 -1.263 0.910 -1.567
H12 1.263 0.910 -1.567
H13 1.263 -0.910 -1.567

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12 H13
C11.47761.47761.47761.47762.20842.20842.20842.20842.20842.20842.20842.2084
C21.47761.52422.75172.75171.08101.08102.24012.24013.52343.10503.10503.5234
C31.47761.52422.75172.75172.24012.24011.08101.08103.10503.52343.52343.1050
C41.47762.75172.75171.52423.52343.10503.10503.52341.08101.08102.24012.2401
C51.47762.75172.75171.52423.10503.52343.52343.10502.24012.24011.08101.0810
H62.20841.08102.24013.52343.10501.81923.11242.52544.38853.82953.17343.8295
H72.20841.08102.24013.10503.52341.81922.52543.11243.82953.17343.82954.3885
H82.20842.24011.08103.10503.52343.11242.52541.81923.17343.82954.38853.8295
H92.20842.24011.08103.52343.10502.52543.11241.81923.82954.38853.82953.1734
H102.20843.52343.10501.08102.24014.38853.82953.17343.82951.81923.11242.5254
H112.20843.10503.52341.08102.24013.82953.17343.82954.38851.81922.52543.1124
H122.20843.10503.52342.24011.08103.17343.82954.38853.82953.11242.52541.8192
H132.20843.52343.10502.24011.08103.82954.38853.82953.17342.52543.11241.8192

picture of Spiropentane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 58.951 C1 C2 H6 118.517
C1 C2 H7 118.517 C1 C3 C2 58.951
C1 C3 H8 118.517 C1 C3 H9 118.517
C1 C4 C5 58.951 C1 C4 H10 118.517
C1 C4 H11 118.517 C1 C5 C4 58.951
C1 C5 H12 118.517 C1 C5 H13 118.517
C2 C1 C3 62.098 C2 C1 C4 137.221
C2 C1 C5 137.221 C2 C3 H8 117.586
C2 C3 H9 117.586 C3 C1 C4 137.221
C3 C1 C5 137.221 C3 C2 H6 117.586
C3 C2 H7 117.586 C4 C1 C5 62.098
C4 C5 H12 117.586 C4 C5 H13 117.586
C5 C4 H10 117.586 C5 C4 H11 117.586
H6 C2 H7 114.584 H8 C3 H9 114.584
H10 C4 H11 114.584 H12 C5 H13 114.584
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.089      
2 C -0.244      
3 C -0.244      
4 C -0.244      
5 C -0.244      
6 H 0.111      
7 H 0.111      
8 H 0.111      
9 H 0.111      
10 H 0.111      
11 H 0.111      
12 H 0.111      
13 H 0.111      


Electric dipole moments


Electric Quadrupole moment
Quadrupole components in D Å


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.682 0.000 0.000
y 0.000 7.682 0.000
z 0.000 0.000 9.215


<r2> (average value of r2) Å2
<r2> 111.250
(<r2>)1/2 10.547