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All results from a given calculation for C5H8 (Spiropentane)

using model chemistry: B3LYP/6-311+G(3df,2p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D2D 1A1
Energy calculated at B3LYP/6-311+G(3df,2p)
 hartrees
Energy at 0K-195.339563
Energy at 298.15K-195.348198
Nuclear repulsion energy170.719339
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 B3LYP/6-311+G(3df,2p)
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 3108 3006 0.00      
2 A1 1498 1448 0.00      
3 A1 1075 1040 0.00      
4 A1 1054 1019 0.00      
5 A1 599 579 0.00      
6 A2 3178 3073 0.00      
7 A2 1171 1133 0.00      
8 A2 845 818 0.00      
9 B1 3176 3072 0.00      
10 B1 1181 1142 0.00      
11 B1 1027 994 0.00      
12 B1 295 286 0.00      
13 B2 3108 3005 38.32      
14 B2 1569 1517 0.77      
15 B2 1435 1388 0.02      
16 B2 1018 984 14.02      
17 B2 893 864 19.65      
18 E 3191 3085 22.63      
18 E 3191 3085 22.63      
19 E 3105 3002 27.07      
19 E 3105 3002 27.07      
20 E 1469 1421 1.53      
20 E 1469 1421 1.53      
21 E 1180 1141 1.49      
21 E 1180 1141 1.49      
22 E 1084 1048 1.20      
22 E 1084 1048 1.20      
23 E 887 857 6.01      
23 E 887 857 6.01      
24 E 790 764 0.74      
24 E 790 764 0.74      
25 E 309 299 0.19      
25 E 309 299 0.19      

Unscaled Zero Point Vibrational Energy (zpe) 25129.3 cm-1
Scaled (by 0.967) Zero Point Vibrational Energy (zpe) 24300.0 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 B3LYP/6-311+G(3df,2p)
ABC
0.35439 0.13974 0.13974

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/6-311+G(3df,2p)

Point Group is D2d

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.000
C2 0.000 0.763 1.266
C3 0.000 -0.763 1.266
C4 -0.763 0.000 -1.266
C5 0.763 0.000 -1.266
H6 0.910 1.266 1.570
H7 -0.910 1.266 1.570
H8 -0.910 -1.266 1.570
H9 0.910 -1.266 1.570
H10 -1.266 -0.910 -1.570
H11 -1.266 0.910 -1.570
H12 1.266 0.910 -1.570
H13 1.266 -0.910 -1.570

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12 H13
C11.47881.47881.47881.47882.21222.21222.21222.21222.21222.21222.21222.2122
C21.47881.52682.75342.75341.08271.08272.24442.24443.52783.10913.10913.5278
C31.47881.52682.75342.75342.24442.24441.08271.08273.10913.52783.52783.1091
C41.47882.75342.75341.52683.52783.10913.10913.52781.08271.08272.24442.2444
C51.47882.75342.75341.52683.10913.52783.52783.10912.24442.24441.08271.0827
H62.21221.08272.24443.52783.10911.81993.11772.53144.39563.83593.17923.8359
H72.21221.08272.24443.10913.52781.81992.53143.11773.83593.17923.83594.3956
H82.21222.24441.08273.10913.52783.11772.53141.81993.17923.83594.39563.8359
H92.21222.24441.08273.52783.10912.53143.11771.81993.83594.39563.83593.1792
H102.21223.52783.10911.08272.24444.39563.83593.17923.83591.81993.11772.5314
H112.21223.10913.52781.08272.24443.83593.17923.83594.39561.81992.53143.1177
H122.21223.10913.52782.24441.08273.17923.83594.39563.83593.11772.53141.8199
H132.21223.52783.10912.24441.08273.83594.39563.83593.17922.53143.11771.8199

picture of Spiropentane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 58.918 C1 C2 H6 118.639
C1 C2 H7 118.639 C1 C3 C2 58.918
C1 C3 H8 118.639 C1 C3 H9 118.639
C1 C4 C5 58.918 C1 C4 H10 118.639
C1 C4 H11 118.639 C1 C5 C4 58.918
C1 C5 H12 118.639 C1 C5 H13 118.639
C2 C1 C3 62.163 C2 C1 C4 137.179
C2 C1 C5 137.179 C2 C3 H8 117.641
C2 C3 H9 117.641 C3 C1 C4 137.179
C3 C1 C5 137.179 C3 C2 H6 117.641
C3 C2 H7 117.641 C4 C1 C5 62.163
C4 C5 H12 117.641 C4 C5 H13 117.641
C5 C4 H10 117.641 C5 C4 H11 117.641
H6 C2 H7 114.379 H8 C3 H9 114.379
H10 C4 H11 114.379 H12 C5 H13 114.379
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/6-311+G(3df,2p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.622      
2 C -0.455      
3 C -0.455      
4 C -0.455      
5 C -0.455      
6 H 0.150      
7 H 0.150      
8 H 0.150      
9 H 0.150      
10 H 0.150      
11 H 0.150      
12 H 0.150      
13 H 0.150      


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


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.002 0.000 0.000
y 0.000 8.002 0.000
z 0.000 0.000 9.891


<r2> (average value of r2) Å2
<r2> 111.526
(<r2>)1/2 10.561