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All results from a given calculation for C5H8 (Spiropentane)

using model chemistry: BLYP/aug-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 BLYP/aug-cc-pVDZ
 hartrees
Energy at 0K-195.172325
Energy at 298.15K-195.180774
Nuclear repulsion energy168.538097
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 BLYP/aug-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 3039 3034 0.00      
2 A1 1442 1440 0.00      
3 A1 1019 1017 0.00      
4 A1 1008 1006 0.00      
5 A1 573 572 0.00      
6 A2 3116 3110 0.00      
7 A2 1123 1120 0.00      
8 A2 810 809 0.00      
9 B1 3114 3108 0.00      
10 B1 1132 1130 0.00      
11 B1 986 984 0.00      
12 B1 284 283 0.00      
13 B2 3039 3033 47.03      
14 B2 1510 1507 0.62      
15 B2 1384 1381 0.30      
16 B2 962 960 14.64      
17 B2 842 840 13.85      
18 E 3128 3122 28.64      
18 E 3128 3122 28.64      
19 E 3036 3031 32.43      
19 E 3036 3031 32.43      
20 E 1416 1414 0.95      
20 E 1416 1414 0.95      
21 E 1131 1128 0.98      
21 E 1131 1128 0.98      
22 E 1015 1013 1.03      
22 E 1015 1013 1.03      
23 E 850 848 5.48      
23 E 850 848 5.48      
24 E 760 759 0.55      
24 E 760 759 0.55      
25 E 303 303 0.13      
25 E 303 303 0.13      

Unscaled Zero Point Vibrational Energy (zpe) 24330.1 cm-1
Scaled (by 0.9981) Zero Point Vibrational Energy (zpe) 24283.9 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 BLYP/aug-cc-pVDZ
ABC
0.34440 0.13646 0.13646

See section I.F.4 to change rotational constant units
Geometric Data calculated at BLYP/aug-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 0.775 1.281
C3 0.000 -0.775 1.281
C4 -0.775 0.000 -1.281
C5 0.775 0.000 -1.281
H6 0.924 1.282 1.588
H7 -0.924 1.282 1.588
H8 -0.924 -1.282 1.588
H9 0.924 -1.282 1.588
H10 -1.282 -0.924 -1.588
H11 -1.282 0.924 -1.588
H12 1.282 0.924 -1.588
H13 1.282 -0.924 -1.588

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12 H13
C11.49691.49691.49691.49692.24002.24002.24002.24002.24002.24002.24002.2400
C21.49691.54982.78612.78611.09751.09752.27532.27533.57183.14543.14543.5718
C31.49691.54982.78612.78612.27532.27531.09751.09753.14543.57183.57183.1454
C41.49692.78612.78611.54983.57183.14543.14543.57181.09751.09752.27532.2753
C51.49692.78612.78611.54983.14543.57183.57183.14542.27532.27531.09751.0975
H62.24001.09752.27533.57183.14541.84783.15972.56324.45133.88303.21593.8830
H72.24001.09752.27533.14543.57181.84782.56323.15973.88303.21593.88304.4513
H82.24002.27531.09753.14543.57183.15972.56321.84783.21593.88304.45133.8830
H92.24002.27531.09753.57183.14542.56323.15971.84783.88304.45133.88303.2159
H102.24003.57183.14541.09752.27534.45133.88303.21593.88301.84783.15972.5632
H112.24003.14543.57181.09752.27533.88303.21593.88304.45131.84782.56323.1597
H122.24003.14543.57182.27531.09753.21593.88304.45133.88303.15972.56321.8478
H132.24003.57183.14542.27531.09753.88304.45133.88303.21592.56323.15971.8478

picture of Spiropentane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 58.824 C1 C2 H6 118.582
C1 C2 H7 118.582 C1 C3 C2 58.824
C1 C3 H8 118.582 C1 C3 H9 118.582
C1 C4 C5 58.824 C1 C4 H10 118.582
C1 C4 H11 118.582 C1 C5 C4 58.824
C1 C5 H12 118.582 C1 C5 H13 118.582
C2 C1 C3 62.353 C2 C1 C4 137.055
C2 C1 C5 137.055 C2 C3 H8 117.492
C2 C3 H9 117.492 C3 C1 C4 137.055
C3 C1 C5 137.055 C3 C2 H6 117.492
C3 C2 H7 117.492 C4 C1 C5 62.353
C4 C5 H12 117.492 C4 C5 H13 117.492
C5 C4 H10 117.492 C5 C4 H11 117.492
H6 C2 H7 114.655 H8 C3 H9 114.655
H10 C4 H11 114.655 H12 C5 H13 114.655
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 1.070      
2 C 1.136      
3 C 1.136      
4 C 1.136      
5 C 1.136      
6 H -0.702      
7 H -0.702      
8 H -0.702      
9 H -0.702      
10 H -0.702      
11 H -0.702      
12 H -0.702      
13 H -0.702      


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 -31.720 0.000 0.000
y 0.000 -31.720 0.000
z 0.000 0.000 -33.787
Traceless
 xyz
x 1.034 0.000 0.000
y 0.000 1.034 0.000
z 0.000 0.000 -2.068
Polar
3z2-r2-4.135
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 8.630 0.000 0.000
y 0.000 8.630 0.000
z 0.000 0.000 10.613


<r2> (average value of r2) Å2
<r2> 114.161
(<r2>)1/2 10.685