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All results from a given calculation for C5H8 (Spiropentane)

using model chemistry: B3LYP/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 B3LYP/cc-pVTZ
 hartrees
Energy at 0K-195.344345
Energy at 298.15K-195.352993
Nuclear repulsion energy170.740981
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/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 3115 3011 0.00      
2 A1 1498 1448 0.00      
3 A1 1077 1041 0.00      
4 A1 1053 1018 0.00      
5 A1 600 580 0.00      
6 A2 3185 3078 0.00      
7 A2 1173 1134 0.00      
8 A2 846 818 0.00      
9 B1 3183 3077 0.00      
10 B1 1183 1144 0.00      
11 B1 1029 995 0.00      
12 B1 295 286 0.00      
13 B2 3114 3010 39.69      
14 B2 1571 1518 0.79      
15 B2 1435 1387 0.02      
16 B2 1018 984 13.52      
17 B2 896 866 18.92      
18 E 3197 3090 23.76      
18 E 3197 3090 23.76      
19 E 3111 3007 28.09      
19 E 3111 3007 28.09      
20 E 1469 1420 1.22      
20 E 1469 1420 1.22      
21 E 1182 1143 1.92      
21 E 1182 1143 1.92      
22 E 1084 1048 1.13      
22 E 1084 1048 1.13      
23 E 888 858 6.08      
23 E 888 858 6.08      
24 E 791 764 0.63      
24 E 791 764 0.63      
25 E 310 300 0.20      
25 E 310 300 0.20      

Unscaled Zero Point Vibrational Energy (zpe) 25165.9 cm-1
Scaled (by 0.9666) Zero Point Vibrational Energy (zpe) 24325.3 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/cc-pVTZ
ABC
0.35465 0.13974 0.13974

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/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 0.763 1.267
C3 0.000 -0.763 1.267
C4 -0.763 0.000 -1.267
C5 0.763 0.000 -1.267
H6 0.910 1.264 1.569
H7 -0.910 1.264 1.569
H8 -0.910 -1.264 1.569
H9 0.910 -1.264 1.569
H10 -1.264 -0.910 -1.569
H11 -1.264 0.910 -1.569
H12 1.264 0.910 -1.569
H13 1.264 -0.910 -1.569

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12 H13
C11.47881.47881.47881.47882.21142.21142.21142.21142.21142.21142.21142.2114
C21.47881.52662.75362.75361.08241.08242.24302.24303.52743.10853.10853.5274
C31.47881.52662.75362.75362.24302.24301.08241.08243.10853.52743.52743.1085
C41.47882.75362.75361.52663.52743.10853.10853.52741.08241.08242.24302.2430
C51.47882.75362.75361.52663.10853.52743.52743.10852.24302.24301.08241.0824
H62.21141.08242.24303.52743.10851.82093.11572.52824.39443.83503.17863.8350
H72.21141.08242.24303.10853.52741.82092.52823.11573.83503.17863.83504.3944
H82.21142.24301.08243.10853.52743.11572.52821.82093.17863.83504.39443.8350
H92.21142.24301.08243.52743.10852.52823.11571.82093.83504.39443.83503.1786
H102.21143.52743.10851.08242.24304.39443.83503.17863.83501.82093.11572.5282
H112.21143.10853.52741.08242.24303.83503.17863.83504.39441.82092.52823.1157
H122.21143.10853.52742.24301.08243.17863.83504.39443.83503.11572.52821.8209
H132.21143.52743.10852.24301.08243.83504.39443.83503.17862.52823.11571.8209

picture of Spiropentane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 58.925 C1 C2 H6 118.588
C1 C2 H7 118.588 C1 C3 C2 58.925
C1 C3 H8 118.588 C1 C3 H9 118.588
C1 C4 C5 58.925 C1 C4 H10 118.588
C1 C4 H11 118.588 C1 C5 C4 58.925
C1 C5 H12 118.588 C1 C5 H13 118.588
C2 C1 C3 62.149 C2 C1 C4 137.188
C2 C1 C5 137.188 C2 C3 H8 117.562
C2 C3 H9 117.562 C3 C1 C4 137.188
C3 C1 C5 137.188 C3 C2 H6 117.562
C3 C2 H7 117.562 C4 C1 C5 62.149
C4 C5 H12 117.562 C4 C5 H13 117.562
C5 C4 H10 117.562 C5 C4 H11 117.562
H6 C2 H7 114.530 H8 C3 H9 114.530
H10 C4 H11 114.530 H12 C5 H13 114.530
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.096     0.274
2 C -0.225     -0.290
3 C -0.225     -0.290
4 C -0.225     -0.283
5 C -0.225     -0.289
6 H 0.100     0.112
7 H 0.100     0.109
8 H 0.100     0.109
9 H 0.100     0.112
10 H 0.100     0.109
11 H 0.100     0.109
12 H 0.100     0.109
13 H 0.100     0.109


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 0.009 0.000 0.000 0.009


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -31.081 0.000 0.000
y 0.000 -31.081 0.000
z 0.000 0.000 -33.037
Traceless
 xyz
x 0.978 0.000 0.000
y 0.000 0.978 0.000
z 0.000 0.000 -1.956
Polar
3z2-r2-3.912
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 7.756 0.000 0.000
y 0.000 7.756 0.000
z 0.000 0.000 9.306


<r2> (average value of r2) Å2
<r2> 111.427
(<r2>)1/2 10.556