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

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 CS 1A'
Energy calculated at B3LYP/cc-pVDZ
 hartrees
Energy at 0K-195.302576
Energy at 298.15K-195.310999
Nuclear repulsion energy166.872885
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 A' 3130 3036 6.77      
2 A' 3120 3026 43.49      
3 A' 3083 2991 18.09      
4 A' 3062 2970 42.10      
5 A' 3033 2942 10.43      
6 A' 1758 1705 22.20      
7 A' 1473 1428 0.00      
8 A' 1442 1399 1.37      
9 A' 1420 1377 1.18      
10 A' 1251 1214 1.18      
11 A' 1209 1173 0.16      
12 A' 1084 1052 0.34      
13 A' 974 945 0.41      
14 A' 900 873 31.90      
15 A' 884 858 0.97      
16 A' 743 721 2.21      
17 A' 666 646 1.44      
18 A' 382 370 5.25      
19 A' 94 91 0.03      
20 A" 3220 3123 12.35      
21 A" 3087 2994 14.54      
22 A" 3029 2938 46.64      
23 A" 1430 1387 3.65      
24 A" 1278 1239 0.82      
25 A" 1231 1194 0.07      
26 A" 1210 1174 0.66      
27 A" 1183 1147 1.13      
28 A" 1031 1000 0.10      
29 A" 930 902 0.60      
30 A" 906 879 1.15      
31 A" 803 779 0.06      
32 A" 631 613 0.07      
33 A" 355 344 0.12      

Unscaled Zero Point Vibrational Energy (zpe) 25015.4 cm-1
Scaled (by 0.97) Zero Point Vibrational Energy (zpe) 24265.0 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 B3LYP/cc-pVDZ
ABC
0.34614 0.15256 0.11455

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.165 -0.424 1.095
C2 0.165 -0.424 -1.095
C3 0.000 0.623 0.000
C4 -0.013 -1.522 0.000
C5 -0.320 1.916 0.000
H6 -0.562 -0.404 1.922
H7 -0.562 -0.404 -1.922
H8 1.180 -0.424 1.528
H9 1.180 -0.424 -1.528
H10 -0.457 2.468 0.934
H11 -0.457 2.468 -0.934
H12 0.717 -2.344 0.000
H13 -1.027 -1.947 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12 H13
C12.19011.52471.56062.62931.10143.10321.10352.81222.96303.58772.27812.2226
C22.19011.52471.56062.62933.10321.10142.81221.10353.58772.96302.27812.2226
C31.52471.52472.14561.33172.25042.25042.19642.19642.11752.11753.05322.7684
C41.56061.56062.14563.45202.29022.29022.22762.22764.12204.12201.09951.1001
C52.62932.62931.33173.45203.02233.02233.17203.17201.09371.09374.38493.9277
H61.10143.10322.25042.29023.02233.84331.78703.86453.03864.05153.01582.5082
H73.10321.10142.25042.29023.02233.84333.86451.78704.05153.03863.01582.5082
H81.10352.81222.19642.22763.17201.78703.86453.05503.37614.13602.49693.0866
H92.81221.10352.19642.22763.17203.86451.78703.05504.13603.37612.49693.0866
H102.96303.58772.11754.12201.09373.03864.05153.37614.13601.86865.04084.5488
H113.58772.96302.11754.12201.09374.05153.03864.13603.37611.86865.04084.5488
H122.27812.27813.05321.09954.38493.01583.01582.49692.49695.04085.04081.7891
H132.22262.22262.76841.10013.92772.50822.50823.08663.08664.54884.54881.7891

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 91.817 C1 C3 C5 133.886
C1 C4 C2 89.123 C1 C4 H12 116.760
C1 C4 H13 112.146 C2 C3 C5 133.886
C2 C4 H12 116.760 C2 C4 H13 112.146
C3 C1 C4 88.114 C3 C1 H6 117.037
C3 C1 H8 112.394 C3 C2 C4 88.114
C3 C2 H7 117.037 C3 C2 H9 112.394
C3 C5 H10 121.322 C3 C5 H11 121.322
C4 C1 H6 117.675 C4 C1 H8 112.337
C4 C2 H7 117.675 C4 C2 H9 112.337
H6 C1 H8 108.280 H7 C2 H9 108.280
H10 C5 H11 117.357 H12 C4 H13 108.863
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 0.045      
2 C 0.045      
3 C -0.173      
4 C -0.016      
5 C -0.002      
6 H 0.017      
7 H 0.017      
8 H 0.023      
9 H 0.023      
10 H 0.002      
11 H 0.002      
12 H 0.001      
13 H 0.015      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.097 -0.532 0.000 0.541
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -32.190 -0.468 0.000
y -0.468 -32.211 0.000
z 0.000 0.000 -30.943
Traceless
 xyz
x -0.613 -0.468 0.000
y -0.468 -0.645 0.000
z 0.000 0.000 1.257
Polar
3z2-r22.515
x2-y20.021
xy-0.468
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 10.359 -0.002 -0.434
y -0.002 7.818 0.000
z -0.434 0.000 5.801


<r2> (average value of r2) Å2
<r2> 116.967
(<r2>)1/2 10.815