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

using model chemistry: wB97X-D/6-311G**

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/6-311G**
 hartrees
Energy at 0K-195.279853
Energy at 298.15K-195.288332
HF Energy-195.279853
Nuclear repulsion energy167.859304
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/6-311G**
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' 3150 3013 6.49      
2 A' 3148 3011 48.29      
3 A' 3116 2981 15.87      
4 A' 3088 2953 42.02      
5 A' 3063 2930 9.25      
6 A' 1783 1706 29.33      
7 A' 1506 1441 0.14      
8 A' 1476 1412 2.68      
9 A' 1443 1380 1.54      
10 A' 1272 1217 0.07      
11 A' 1229 1176 0.20      
12 A' 1096 1049 0.26      
13 A' 988 945 0.76      
14 A' 926 886 45.99      
15 A' 894 855 0.22      
16 A' 755 722 2.28      
17 A' 671 642 1.76      
18 A' 385 368 7.84      
19 A' 85 81 0.04      
20 A" 3236 3096 12.72      
21 A" 3120 2984 15.18      
22 A" 3060 2927 47.22      
23 A" 1468 1404 6.92      
24 A" 1297 1241 0.04      
25 A" 1254 1199 0.26      
26 A" 1228 1175 1.23      
27 A" 1208 1156 2.66      
28 A" 1055 1009 0.14      
29 A" 946 905 1.26      
30 A" 922 881 1.33      
31 A" 823 787 0.10      
32 A" 652 624 0.09      
33 A" 358 342 0.08      

Unscaled Zero Point Vibrational Energy (zpe) 25349.8 cm-1
Scaled (by 0.9565) Zero Point Vibrational Energy (zpe) 24247.1 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/6-311G**
ABC
0.34940 0.15448 0.11594

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/6-311G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.218 -0.395 1.092
C2 0.218 -0.395 -1.092
C3 -0.096 0.613 0.000
C4 0.218 -1.501 0.000
C5 -0.584 1.842 0.000
H6 -0.511 -0.487 1.899
H7 -0.511 -0.487 -1.899
H8 1.208 -0.237 1.530
H9 1.208 -0.237 -1.530
H10 -0.796 2.366 0.927
H11 -0.796 2.366 -0.927
H12 1.065 -2.189 0.000
H13 -0.707 -2.079 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12 H13
C12.18351.51891.55412.61541.09203.08001.09392.80662.94593.56742.26412.2100
C22.18351.51891.55412.61543.08001.09202.80661.09393.56742.94592.26412.2100
C31.51891.51892.13741.32232.23372.23372.18262.18262.10272.10273.03292.7605
C41.55411.55412.13743.43802.27312.27312.21762.21764.10384.10381.09071.0912
C52.61542.61541.32233.43803.00613.00613.14253.14251.08561.08564.35513.9228
H61.09203.08002.23372.27313.00613.79841.77623.84403.02764.02592.99772.4858
H73.08001.09202.23372.27313.00613.79843.84401.77624.02593.02762.99772.4858
H81.09392.80662.18262.21763.14251.77623.84403.05963.33994.10212.48403.0663
H92.80661.09392.18262.21763.14253.84401.77623.05964.10213.33992.48403.0663
H102.94593.56742.10274.10381.08563.02764.02593.33994.10211.85385.00674.5413
H113.56742.94592.10274.10381.08564.02593.02764.10213.33991.85385.00674.5413
H122.26412.26413.03291.09074.35512.99772.99772.48402.48405.00675.00671.7755
H132.21002.21002.76051.09123.92282.48582.48583.06633.06634.54134.54131.7755

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 91.909 C1 C3 C5 133.886
C1 C4 C2 89.254 C1 C4 H12 116.665
C1 C4 H13 112.143 C2 C3 C5 133.886
C2 C4 H12 116.665 C2 C4 H13 112.143
C3 C1 C4 88.132 C3 C1 H6 116.693
C3 C1 H8 112.286 C3 C2 C4 88.132
C3 C2 H7 116.693 C3 C2 H9 112.286
C3 C5 H10 121.369 C3 C5 H11 121.369
C4 C1 H6 117.348 C4 C1 H8 112.588
C4 C2 H7 117.348 C4 C2 H9 112.588
H6 C1 H8 108.694 H7 C2 H9 108.694
H10 C5 H11 117.261 H12 C4 H13 108.928
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.209      
2 C -0.209      
3 C -0.114      
4 C -0.249      
5 C -0.227      
6 H 0.130      
7 H 0.130      
8 H 0.139      
9 H 0.139      
10 H 0.111      
11 H 0.111      
12 H 0.118      
13 H 0.131      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.170 -0.523 0.000 0.550
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -31.960 -0.624 0.000
y -0.624 -32.039 0.000
z 0.000 0.000 -30.584
Traceless
 xyz
x -0.648 -0.624 0.000
y -0.624 -0.767 0.000
z 0.000 0.000 1.415
Polar
3z2-r22.831
x2-y20.079
xy-0.624
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.524 -1.484 0.000
y -1.484 9.773 0.000
z 0.000 0.000 7.766


<r2> (average value of r2) Å2
<r2> 115.618
(<r2>)1/2 10.753