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All results from a given calculation for C5H8 (Spiropentane)

using model chemistry: B3LYP/LANL2DZ

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/LANL2DZ
 hartrees
Energy at 0K-195.231150
Energy at 298.15K-195.239741
Nuclear repulsion energy168.345304
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/LANL2DZ
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 3148 3026 0.00      
2 A1 1506 1448 0.00      
3 A1 1089 1047 0.00      
4 A1 1050 1010 0.00      
5 A1 584 562 0.00      
6 A2 3233 3108 0.00      
7 A2 1169 1124 0.00      
8 A2 846 813 0.00      
9 B1 3232 3107 0.00      
10 B1 1179 1134 0.00      
11 B1 1021 981 0.00      
12 B1 292 281 0.00      
13 B2 3148 3026 44.80      
14 B2 1584 1522 0.02      
15 B2 1455 1398 0.97      
16 B2 1043 1002 36.58      
17 B2 878 843 24.92      
18 E 3250 3124 38.83      
18 E 3250 3124 38.83      
19 E 3138 3017 32.94      
19 E 3138 3017 32.94      
20 E 1482 1424 4.88      
20 E 1482 1424 4.88      
21 E 1188 1142 7.67      
21 E 1188 1142 7.67      
22 E 1108 1065 3.88      
22 E 1108 1065 3.88      
23 E 874 840 6.32      
23 E 874 840 6.32      
24 E 793 762 3.25      
24 E 793 762 3.25      
25 E 312 300 0.72      
25 E 312 300 0.72      

Unscaled Zero Point Vibrational Energy (zpe) 25373.2 cm-1
Scaled (by 0.9612) Zero Point Vibrational Energy (zpe) 24388.7 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 B3LYP/LANL2DZ
ABC
0.34381 0.13561 0.13561

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/LANL2DZ

Point Group is D2d

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.000
C2 0.000 0.778 1.286
C3 0.000 -0.778 1.286
C4 -0.778 0.000 -1.286
C5 0.778 0.000 -1.286
H6 0.914 1.282 1.592
H7 -0.914 1.282 1.592
H8 -0.914 -1.282 1.592
H9 0.914 -1.282 1.592
H10 -1.282 -0.914 -1.592
H11 -1.282 0.914 -1.592
H12 1.282 0.914 -1.592
H13 1.282 -0.914 -1.592

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12 H13
C11.50291.50291.50291.50292.23872.23872.23872.23872.23872.23872.23872.2387
C21.50291.55582.79722.79721.08751.08752.27422.27423.57573.15313.15313.5757
C31.50291.55582.79722.79722.27422.27421.08751.08753.15313.57573.57573.1531
C41.50292.79722.79721.55583.57573.15313.15313.57571.08751.08752.27422.2742
C51.50292.79722.79721.55583.15313.57573.57573.15312.27422.27421.08751.0875
H62.23871.08752.27423.57573.15311.82743.14872.56414.44703.88463.22563.8846
H72.23871.08752.27423.15313.57571.82742.56413.14873.88463.22563.88464.4470
H82.23872.27421.08753.15313.57573.14872.56411.82743.22563.88464.44703.8846
H92.23872.27421.08753.57573.15312.56413.14871.82743.88464.44703.88463.2256
H102.23873.57573.15311.08752.27424.44703.88463.22563.88461.82743.14872.5641
H112.23873.15313.57571.08752.27423.88463.22563.88464.44701.82742.56413.1487
H122.23873.15313.57572.27421.08753.22563.88464.44703.88463.14872.56411.8274
H132.23873.57573.15312.27421.08753.88464.44703.88463.22562.56413.14871.8274

picture of Spiropentane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 58.827 C1 C2 H6 118.721
C1 C2 H7 118.721 C1 C3 C2 58.827
C1 C3 H8 118.721 C1 C3 H9 118.721
C1 C4 C5 58.827 C1 C4 H10 118.721
C1 C4 H11 118.721 C1 C5 C4 58.827
C1 C5 H12 118.721 C1 C5 H13 118.721
C2 C1 C3 62.345 C2 C1 C4 137.060
C2 C1 C5 137.060 C2 C3 H8 117.620
C2 C3 H9 117.620 C3 C1 C4 137.060
C3 C1 C5 137.060 C3 C2 H6 117.620
C3 C2 H7 117.620 C4 C1 C5 62.345
C4 C5 H12 117.620 C4 C5 H13 117.620
C5 C4 H10 117.620 C5 C4 H11 117.620
H6 C2 H7 114.332 H8 C3 H9 114.332
H10 C4 H11 114.332 H12 C5 H13 114.332
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/LANL2DZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.187      
2 C -0.477      
3 C -0.477      
4 C -0.477      
5 C -0.477      
6 H 0.215      
7 H 0.215      
8 H 0.215      
9 H 0.215      
10 H 0.215      
11 H 0.215      
12 H 0.215      
13 H 0.215      


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
Primitive
 xyz
x -30.234 0.000 0.000
y 0.000 -30.234 0.000
z 0.000 0.000 -32.766
Traceless
 xyz
x 1.266 0.000 0.000
y 0.000 1.266 0.000
z 0.000 0.000 -2.532
Polar
3z2-r2-5.064
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 6.814 0.000 0.000
y 0.000 6.814 0.000
z 0.000 0.000 8.144


<r2> (average value of r2) Å2
<r2> 113.713
(<r2>)1/2 10.664