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All results from a given calculation for C5H8 (Spiropentane)

using model chemistry: B3LYP/cc-pVDZ

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-pVDZ
 hartrees
Energy at 0K-195.277426
Energy at 298.15K-195.286002
Nuclear repulsion energy169.677248
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-pVDZ
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 3110 3017 0.00      
2 A1 1468 1424 0.00      
3 A1 1080 1048 0.00      
4 A1 1046 1015 0.00      
5 A1 603 584 0.00      
6 A2 3190 3094 0.00      
7 A2 1156 1122 0.00      
8 A2 823 799 0.00      
9 B1 3189 3093 0.00      
10 B1 1167 1132 0.00      
11 B1 1009 979 0.00      
12 B1 289 281 0.00      
13 B2 3109 3016 35.79      
14 B2 1582 1534 0.77      
15 B2 1410 1367 0.08      
16 B2 1004 974 7.87      
17 B2 904 877 17.61      
18 E 3203 3107 22.94      
18 E 3203 3107 22.94      
19 E 3105 3012 23.91      
19 E 3105 3012 23.91      
20 E 1433 1390 0.79      
20 E 1433 1390 0.79      
21 E 1169 1134 2.24      
21 E 1169 1134 2.24      
22 E 1063 1031 0.83      
22 E 1063 1031 0.83      
23 E 886 860 4.68      
23 E 886 860 4.68      
24 E 781 757 0.46      
24 E 781 757 0.46      
25 E 301 292 0.14      
25 E 301 292 0.14      

Unscaled Zero Point Vibrational Energy (zpe) 25009.7 cm-1
Scaled (by 0.97) Zero Point Vibrational Energy (zpe) 24259.4 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-pVDZ
ABC
0.35060 0.13813 0.13813

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

Point Group is D2d

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.000
C2 0.000 0.766 1.274
C3 0.000 -0.766 1.274
C4 -0.766 0.000 -1.274
C5 0.766 0.000 -1.274
H6 0.921 1.273 1.578
H7 -0.921 1.273 1.578
H8 -0.921 -1.273 1.578
H9 0.921 -1.273 1.578
H10 -1.273 -0.921 -1.578
H11 -1.273 0.921 -1.578
H12 1.273 0.921 -1.578
H13 1.273 -0.921 -1.578

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12 H13
C11.48681.48681.48681.48682.22662.22662.22662.22662.22662.22662.22662.2266
C21.48681.53252.76912.76911.09411.09412.25792.25793.54973.12693.12693.5497
C31.48681.53252.76912.76912.25792.25791.09411.09413.12693.54973.54973.1269
C41.48682.76912.76911.53253.54973.12693.12693.54971.09411.09412.25792.2579
C51.48682.76912.76911.53253.12693.54973.54973.12692.25792.25791.09411.0941
H62.22661.09412.25793.54973.12691.84183.14212.54574.42533.85933.19463.8593
H72.22661.09412.25793.12693.54971.84182.54573.14213.85933.19463.85934.4253
H82.22662.25791.09413.12693.54973.14212.54571.84183.19463.85934.42533.8593
H92.22662.25791.09413.54973.12692.54573.14211.84183.85934.42533.85933.1946
H102.22663.54973.12691.09412.25794.42533.85933.19463.85931.84183.14212.5457
H112.22663.12693.54971.09412.25793.85933.19463.85934.42531.84182.54573.1421
H122.22663.12693.54972.25791.09413.19463.85934.42533.85933.14212.54571.8418
H132.22663.54973.12692.25791.09413.85934.42533.85933.19462.54573.14211.8418

picture of Spiropentane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 58.978 C1 C2 H6 118.457
C1 C2 H7 118.457 C1 C3 C2 58.978
C1 C3 H8 118.457 C1 C3 H9 118.457
C1 C4 C5 58.978 C1 C4 H10 118.457
C1 C4 H11 118.457 C1 C5 C4 58.978
C1 C5 H12 118.457 C1 C5 H13 118.457
C2 C1 C3 62.043 C2 C1 C4 137.257
C2 C1 C5 137.257 C2 C3 H8 117.584
C2 C3 H9 117.584 C3 C1 C4 137.257
C3 C1 C5 137.257 C3 C2 H6 117.584
C3 C2 H7 117.584 C4 C1 C5 62.043
C4 C5 H12 117.584 C4 C5 H13 117.584
C5 C4 H10 117.584 C5 C4 H11 117.584
H6 C2 H7 114.651 H8 C3 H9 114.651
H10 C4 H11 114.651 H12 C5 H13 114.651
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.156      
2 C -0.001      
3 C -0.001      
4 C -0.001      
5 C -0.001      
6 H 0.020      
7 H 0.020      
8 H 0.020      
9 H 0.020      
10 H 0.020      
11 H 0.020      
12 H 0.020      
13 H 0.020      


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 -30.903 0.000 0.000
y 0.000 -30.903 0.000
z 0.000 0.000 -32.818
Traceless
 xyz
x 0.958 0.000 0.000
y 0.000 0.958 0.000
z 0.000 0.000 -1.916
Polar
3z2-r2-3.831
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 7.306 0.000 0.000
y 0.000 7.306 0.000
z 0.000 0.000 8.585


<r2> (average value of r2) Å2
<r2> 112.416
(<r2>)1/2 10.603