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All results from a given calculation for C5H8 (Cyclobutane, methylene-)

using model chemistry: B3LYPultrafine/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B3LYPultrafine/6-31G*
 hartrees
Energy at 0K-195.295190
Energy at 298.15K-195.303619
Nuclear repulsion energy167.148829
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 B3LYPultrafine/6-31G*
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A' 3152 3019 9.63      
2 A' 3134 3002 47.69      
3 A' 3096 2966 24.14      
4 A' 3080 2951 40.99      
5 A' 3050 2922 12.43      
6 A' 1766 1692 16.96      
7 A' 1529 1465 0.08      
8 A' 1503 1440 1.14      
9 A' 1464 1403 0.45      
10 A' 1280 1226 1.12      
11 A' 1234 1182 0.10      
12 A' 1106 1060 0.08      
13 A' 976 935 0.31      
14 A' 904 866 38.29      
15 A' 889 852 1.28      
16 A' 752 721 1.90      
17 A' 667 639 1.29      
18 A' 383 367 4.39      
19 A' 95 91 0.02      
20 A" 3227 3092 15.62      
21 A" 3099 2969 17.81      
22 A" 3046 2918 48.34      
23 A" 1491 1428 1.66      
24 A" 1298 1244 0.28      
25 A" 1257 1204 0.00      
26 A" 1234 1182 1.00      
27 A" 1202 1151 2.02      
28 A" 1054 1010 0.11      
29 A" 934 895 0.70      
30 A" 916 878 1.11      
31 A" 818 784 0.09      
32 A" 646 619 0.10      
33 A" 354 339 0.10      

Unscaled Zero Point Vibrational Energy (zpe) 25318.4 cm-1
Scaled (by 0.958) Zero Point Vibrational Energy (zpe) 24255.0 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 B3LYPultrafine/6-31G*
ABC
0.34709 0.15292 0.11478

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYPultrafine/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.232 -0.392 1.095
C2 0.232 -0.392 -1.095
C3 -0.100 0.616 0.000
C4 0.232 -1.503 0.000
C5 -0.624 1.837 0.000
H6 -0.486 -0.491 1.916
H7 -0.486 -0.491 -1.916
H8 1.228 -0.233 1.529
H9 1.228 -0.233 -1.529
H10 -0.849 2.362 0.926
H11 -0.849 2.362 -0.926
H12 1.080 -2.194 0.000
H13 -0.695 -2.083 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12 H13
C12.18941.52421.55992.62641.09573.09711.09772.81062.96253.58212.27282.2181
C22.18941.52421.55992.62643.09711.09572.81061.09773.58212.96252.27282.2181
C31.52421.52422.14431.32902.24622.24622.19552.19552.11342.11343.04732.7636
C41.55991.55992.14433.44802.28302.28302.22312.22314.11824.11821.09371.0939
C52.62642.62641.32903.44803.01863.01863.16993.16991.08781.08784.37633.9212
H61.09573.09712.24622.28303.01863.83281.77573.85653.04114.04323.00412.5004
H73.09711.09572.24622.28303.01863.83283.85651.77574.04323.04113.00412.5004
H81.09772.81062.19552.22313.16991.77573.85653.05763.37704.13122.49133.0757
H92.81061.09772.19552.22313.16993.85651.77573.05764.13123.37702.49133.0757
H102.96253.58212.11344.11821.08783.04114.04323.37704.13121.85225.03294.5428
H113.58212.96252.11344.11821.08784.04323.04114.13123.37701.85225.03294.5428
H122.27282.27283.04731.09374.37633.00413.00412.49132.49135.03295.03291.7784
H132.21812.21812.76361.09393.92122.50042.50043.07573.07574.54284.54281.7784

picture of Cyclobutane, methylene- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C3 C2 91.814 C1 C3 C5 133.889
C1 C4 C2 89.138 C1 C4 H12 116.756
C1 C4 H13 112.206 C2 C3 C5 133.889
C2 C4 H12 116.756 C2 C4 H13 112.206
C3 C1 C4 88.093 C3 C1 H6 117.104
C3 C1 H8 112.710 C3 C2 C4 88.093
C3 C2 H7 117.104 C3 C2 H9 112.710
C3 C5 H10 121.639 C3 C5 H11 121.639
C4 C1 H6 117.503 C4 C1 H8 112.379
C4 C2 H7 117.503 C4 C2 H9 112.379
H6 C1 H8 108.109 H7 C2 H9 108.109
H10 C5 H11 116.722 H12 C4 H13 108.768
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYPultrafine/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.327      
2 C -0.327      
3 C 0.222      
4 C -0.284      
5 C -0.434      
6 H 0.149      
7 H 0.149      
8 H 0.151      
9 H 0.151      
10 H 0.134      
11 H 0.134      
12 H 0.137      
13 H 0.147      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.164 -0.497 0.000 0.523
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -31.640 -0.477 0.000
y -0.477 -31.794 0.000
z 0.000 0.000 -30.422
Traceless
 xyz
x -0.532 -0.477 0.000
y -0.477 -0.763 0.000
z 0.000 0.000 1.295
Polar
3z2-r22.590
x2-y20.154
xy-0.477
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.939 -1.531 0.000
y -1.531 9.124 0.000
z 0.000 0.000 7.306


<r2> (average value of r2) Å2
<r2> 116.410
(<r2>)1/2 10.789