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All results from a given calculation for C5H8 (Spiropentane)

using model chemistry: MP2=FULL/6-311G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D2D 1A1
Energy calculated at MP2=FULL/6-311G*
 hartrees
Energy at 0K-194.726208
Energy at 298.15K-194.734884
HF Energy-193.948316
Nuclear repulsion energy170.453727
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 MP2=FULL/6-311G*
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 3167 3000 0.00      
2 A1 1526 1445 0.00      
3 A1 1103 1044 0.00      
4 A1 1072 1015 0.00      
5 A1 615 582 0.00      
6 A2 3257 3085 0.00      
7 A2 1192 1129 0.00      
8 A2 859 814 0.00      
9 B1 3256 3084 0.00      
10 B1 1203 1139 0.00      
11 B1 1045 990 0.00      
12 B1 300 284 0.00      
13 B2 3169 3002 26.64      
14 B2 1631 1545 1.25      
15 B2 1467 1389 0.41      
16 B2 1030 976 22.92      
17 B2 928 879 18.76      
18 E 3269 3096 18.10      
18 E 3269 3096 18.10      
19 E 3164 2996 18.56      
19 E 3164 2996 18.56      
20 E 1491 1412 2.34      
20 E 1491 1412 2.34      
21 E 1207 1143 1.75      
21 E 1207 1143 1.75      
22 E 1078 1021 2.95      
22 E 1078 1021 2.95      
23 E 916 868 5.70      
23 E 916 868 5.70      
24 E 804 762 0.44      
24 E 804 762 0.44      
25 E 304 288 0.39      
25 E 304 288 0.39      

Unscaled Zero Point Vibrational Energy (zpe) 25641.6 cm-1
Scaled (by 0.9471) Zero Point Vibrational Energy (zpe) 24285.1 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 MP2=FULL/6-311G*
ABC
0.35327 0.13938 0.13938

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/6-311G*

Point Group is D2d

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.000
C2 0.000 0.765 1.268
C3 0.000 -0.765 1.268
C4 -0.765 0.000 -1.268
C5 0.765 0.000 -1.268
H6 0.916 1.263 1.569
H7 -0.916 1.263 1.569
H8 -0.916 -1.263 1.569
H9 0.916 -1.263 1.569
H10 -1.263 -0.916 -1.569
H11 -1.263 0.916 -1.569
H12 1.263 0.916 -1.569
H13 1.263 -0.916 -1.569

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12 H13
C11.48121.48121.48121.48122.21312.21312.21312.21312.21312.21312.21312.2131
C21.48121.52992.75792.75791.08531.08532.24582.24583.53193.11003.11003.5319
C31.48121.52992.75792.75792.24582.24581.08531.08533.11003.53193.53193.1100
C41.48122.75792.75791.52993.53193.11003.11003.53191.08531.08532.24582.2458
C51.48122.75792.75791.52993.11003.53193.53193.11002.24582.24581.08531.0853
H62.21311.08532.24583.53193.11001.83163.12102.52704.39883.83683.17693.8368
H72.21311.08532.24583.11003.53191.83162.52703.12103.83683.17693.83684.3988
H82.21312.24581.08533.11003.53193.12102.52701.83163.17693.83684.39883.8368
H92.21312.24581.08533.53193.11002.52703.12101.83163.83684.39883.83683.1769
H102.21313.53193.11001.08532.24584.39883.83683.17693.83681.83163.12102.5270
H112.21313.11003.53191.08532.24583.83683.17693.83684.39881.83162.52703.1210
H122.21313.11003.53192.24581.08533.17693.83684.39883.83683.12102.52701.8316
H132.21313.53193.11002.24581.08533.83684.39883.83683.17692.52703.12101.8316

picture of Spiropentane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 58.908 C1 C2 H6 118.336
C1 C2 H7 118.336 C1 C3 C2 58.908
C1 C3 H8 118.336 C1 C3 H9 118.336
C1 C4 C5 58.908 C1 C4 H10 118.336
C1 C4 H11 118.336 C1 C5 C4 58.908
C1 C5 H12 118.336 C1 C5 H13 118.336
C2 C1 C3 62.184 C2 C1 C4 137.165
C2 C1 C5 137.165 C2 C3 H8 117.348
C2 C3 H9 117.348 C3 C1 C4 137.165
C3 C1 C5 137.165 C3 C2 H6 117.348
C3 C2 H7 117.348 C4 C1 C5 62.184
C4 C5 H12 117.348 C4 C5 H13 117.348
C5 C4 H10 117.348 C5 C4 H11 117.348
H6 C2 H7 115.100 H8 C3 H9 115.100
H10 C4 H11 115.100 H12 C5 H13 115.100
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability