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

using model chemistry: wB97X-D/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 wB97X-D/cc-pVDZ
 hartrees
Energy at 0K-195.248180
Energy at 298.15K-195.256675
HF Energy-195.248180
Nuclear repulsion energy167.644684
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 wB97X-D/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' 3173 3023 8.34      
2 A' 3166 3016 42.22      
3 A' 3134 2985 13.41      
4 A' 3103 2956 46.12      
5 A' 3077 2931 9.49      
6 A' 1786 1701 34.20      
7 A' 1515 1443 0.07      
8 A' 1483 1413 2.48      
9 A' 1452 1383 0.92      
10 A' 1280 1219 0.06      
11 A' 1232 1174 0.42      
12 A' 1103 1051 0.49      
13 A' 988 941 0.77      
14 A' 924 880 58.32      
15 A' 896 854 0.36      
16 A' 759 723 2.29      
17 A' 669 638 1.98      
18 A' 385 366 8.45      
19 A' 90 86 0.04      
20 A" 3262 3107 13.50      
21 A" 3137 2989 17.37      
22 A" 3074 2928 48.42      
23 A" 1475 1405 6.08      
24 A" 1306 1244 0.02      
25 A" 1259 1199 0.39      
26 A" 1234 1176 1.43      
27 A" 1214 1156 2.41      
28 A" 1056 1006 0.20      
29 A" 950 905 1.43      
30 A" 925 881 1.39      
31 A" 824 785 0.10      
32 A" 653 622 0.13      
33 A" 359 342 0.04      

Unscaled Zero Point Vibrational Energy (zpe) 25470.6 cm-1
Scaled (by 0.9526) Zero Point Vibrational Energy (zpe) 24263.3 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 wB97X-D/cc-pVDZ
ABC
0.34839 0.15401 0.11571

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.223 -0.395 1.092
C2 0.223 -0.395 -1.092
C3 -0.099 0.612 0.000
C4 0.223 -1.502 0.000
C5 -0.596 1.844 0.000
H6 -0.506 -0.490 1.903
H7 -0.506 -0.490 -1.903
H8 1.214 -0.234 1.529
H9 1.214 -0.234 -1.529
H10 -0.811 2.368 0.928
H11 -0.811 2.368 -0.928
H12 1.071 -2.190 0.000
H13 -0.704 -2.081 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12 H13
C12.18481.52031.55482.62271.09393.08421.09552.80752.95493.57592.26592.2122
C22.18481.52031.55482.62273.08421.09392.80751.09553.57592.95492.26592.2122
C31.52031.52032.13791.32872.23642.23642.18602.18602.11002.11003.03642.7603
C41.55481.55482.13793.44452.27512.27512.21992.21994.11154.11151.09251.0929
C52.62272.62271.32873.44453.01293.01293.15203.15201.08721.08724.36503.9268
H61.09393.08422.23642.27513.01293.80621.77863.84763.03514.03442.99972.4886
H73.08421.09392.23642.27513.01293.80623.84761.77864.03443.03512.99972.4886
H81.09552.80752.18602.21993.15201.77863.84763.05843.35184.11242.48683.0707
H92.80751.09552.18602.21993.15203.84761.77863.05844.11243.35182.48683.0707
H102.95493.57592.11004.11151.08723.03514.03443.35184.11241.85625.01794.5463
H113.57592.95492.11004.11151.08724.03443.03514.11243.35181.85625.01794.5463
H122.26592.26593.03641.09254.36502.99972.99972.48682.48685.01795.01791.7782
H132.21222.21222.76031.09293.92682.48862.48863.07073.07074.54634.54631.7782

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 91.871 C1 C3 C5 133.910
C1 C4 C2 89.277 C1 C4 H12 116.645
C1 C4 H13 112.164 C2 C3 C5 133.910
C2 C4 H12 116.645 C2 C4 H13 112.164
C3 C1 C4 88.086 C3 C1 H6 116.686
C3 C1 H8 112.357 C3 C2 C4 88.086
C3 C2 H7 116.686 C3 C2 H9 112.357
C3 C5 H10 121.390 C3 C5 H11 121.390
C4 C1 H6 117.339 C4 C1 H8 112.623
C4 C2 H7 117.339 C4 C2 H9 112.623
H6 C1 H8 108.659 H7 C2 H9 108.659
H10 C5 H11 117.220 H12 C4 H13 108.911
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.457      
2 C -0.457      
3 C 0.075      
4 C -0.237      
5 C -0.199      
6 H 0.164      
7 H 0.164      
8 H 0.171      
9 H 0.171      
10 H 0.147      
11 H 0.147      
12 H 0.148      
13 H 0.163      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.215 -0.597 0.000 0.634
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -32.263 -0.671 0.000
y -0.671 -32.278 0.000
z 0.000 0.000 -30.627
Traceless
 xyz
x -0.810 -0.671 0.000
y -0.671 -0.833 0.000
z 0.000 0.000 1.643
Polar
3z2-r23.286
x2-y20.016
xy-0.671
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.239 -1.381 0.000
y -1.381 10.175 0.000
z 0.000 0.000 7.987


<r2> (average value of r2) Å2
<r2> 115.984
(<r2>)1/2 10.770