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

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 CS 1A'
Energy calculated at BLYP/aug-cc-pVDZ
 hartrees
Energy at 0K-195.198129
Energy at 298.15K-195.206417
Nuclear repulsion energy165.710612
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 A' 3053 3048 9.48      
2 A' 3047 3042 45.75      
3 A' 3008 3002 18.97      
4 A' 2992 2986 47.00      
5 A' 2960 2954 12.94      
6 A' 1675 1672 30.21      
7 A' 1446 1443 0.08      
8 A' 1423 1421 1.31      
9 A' 1389 1386 0.57      
10 A' 1196 1194 0.22      
11 A' 1171 1169 0.45      
12 A' 1047 1045 0.99      
13 A' 932 930 0.54      
14 A' 872 871 42.09      
15 A' 848 846 0.82      
16 A' 719 718 1.48      
17 A' 648 646 1.54      
18 A' 368 367 6.90      
19 A' 97 97 0.07      
20 A" 3137 3131 15.04      
21 A" 3011 3005 20.04      
22 A" 2956 2950 53.27      
23 A" 1408 1405 4.62      
24 A" 1221 1219 0.10      
25 A" 1189 1186 0.04      
26 A" 1164 1162 0.40      
27 A" 1134 1132 1.24      
28 A" 995 993 0.09      
29 A" 882 880 0.22      
30 A" 872 871 2.23      
31 A" 776 774 0.03      
32 A" 614 613 0.05      
33 A" 344 343 0.13      

Unscaled Zero Point Vibrational Energy (zpe) 24296.8 cm-1
Scaled (by 0.9981) Zero Point Vibrational Energy (zpe) 24250.6 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
0.34089 0.15036 0.11293

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.238 -0.392 1.104
C2 0.238 -0.392 -1.104
C3 -0.100 0.619 0.000
C4 0.238 -1.517 0.000
C5 -0.641 1.848 0.000
H6 -0.486 -0.488 1.933
H7 -0.486 -0.488 -1.933
H8 1.245 -0.230 1.536
H9 1.245 -0.230 -1.536
H10 -0.876 2.372 0.936
H11 -0.876 2.372 -0.936
H12 1.097 -2.209 0.000
H13 -0.698 -2.101 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12 H13
C12.20791.53501.57572.64801.10513.12401.10742.83002.98523.61192.29302.2391
C22.20791.53501.57572.64803.12401.10512.83001.10743.61192.98522.29302.2391
C31.53501.53502.16251.34302.26122.26122.21062.21062.13342.13343.07132.7853
C41.57571.57572.16253.47782.30682.30682.24242.24244.15214.15211.10331.1033
C52.64802.64801.34303.47783.03623.03623.19903.19901.09821.09824.41413.9494
H61.10513.12402.26122.30683.03623.86691.79433.88563.05354.07003.03442.5270
H73.12401.10512.26122.30683.03623.86693.88561.79434.07003.05353.03442.5270
H81.10742.83002.21062.24243.19901.79433.88563.07193.40994.16882.50993.1038
H92.83001.10742.21062.24243.19903.88561.79433.07194.16883.40992.50993.1038
H102.98523.61192.13344.15211.09823.05354.07003.40994.16881.87255.07534.5732
H113.61192.98522.13344.15211.09824.07003.05354.16883.40991.87255.07534.5732
H122.29302.29303.07131.10334.41413.03443.03442.50992.50995.07535.07531.7980
H132.23912.23912.78531.10333.94942.52702.52703.10383.10384.57324.57321.7980

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 91.977 C1 C3 C5 133.771
C1 C4 C2 88.954 C1 C4 H12 116.618
C1 C4 H13 112.197 C2 C3 C5 133.771
C2 C4 H12 116.618 C2 C4 H13 112.197
C3 C1 C4 88.075 C3 C1 H6 116.911
C3 C1 H8 112.563 C3 C2 C4 88.075
C3 C2 H7 116.911 C3 C2 H9 112.563
C3 C5 H10 121.515 C3 C5 H11 121.515
C4 C1 H6 117.669 C4 C1 H8 112.211
C4 C2 H7 117.669 C4 C2 H9 112.211
H6 C1 H8 108.382 H7 C2 H9 108.382
H10 C5 H11 116.968 H12 C4 H13 109.135
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 0.957      
2 C 0.957      
3 C 0.262      
4 C 1.503      
5 C 1.265      
6 H -0.643      
7 H -0.643      
8 H -0.497      
9 H -0.497      
10 H -0.701      
11 H -0.701      
12 H -0.669      
13 H -0.597      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.188 -0.565 0.000 0.595
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -32.923 -0.481 0.000
y -0.481 -33.326 0.000
z 0.000 0.000 -31.817
Traceless
 xyz
x -0.351 -0.481 0.000
y -0.481 -0.956 0.000
z 0.000 0.000 1.307
Polar
3z2-r22.615
x2-y20.403
xy-0.481
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.144 -1.468 0.000
y -1.468 11.582 0.000
z 0.000 0.000 9.388


<r2> (average value of r2) Å2
<r2> 118.906
(<r2>)1/2 10.904