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

using model chemistry: LSDA/cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at LSDA/cc-pVTZ
 hartrees
Energy at 0K-194.257376
Energy at 298.15K-194.265755
Nuclear repulsion energy168.895395
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 LSDA/cc-pVTZ
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' 3065 3032 1.58      
2 A' 3063 3030 22.00      
3 A' 3032 2999 6.34      
4 A' 3003 2971 30.88      
5 A' 2973 2940 7.70      
6 A' 1736 1718 38.17      
7 A' 1422 1406 1.01      
8 A' 1393 1378 4.13      
9 A' 1365 1350 3.09      
10 A' 1200 1187 2.39      
11 A' 1175 1162 0.23      
12 A' 1049 1037 0.20      
13 A' 984 973 0.93      
14 A' 882 873 0.22      
15 A' 859 849 46.06      
16 A' 737 729 2.92      
17 A' 650 643 2.50      
18 A' 378 374 7.45      
19 A' 117 116 0.09      
20 A" 3152 3118 4.91      
21 A" 3035 3002 15.61      
22 A" 2969 2937 24.50      
23 A" 1375 1360 12.47      
24 A" 1246 1232 0.11      
25 A" 1187 1174 0.38      
26 A" 1174 1161 1.88      
27 A" 1145 1132 2.38      
28 A" 997 986 0.16      
29 A" 931 921 1.31      
30 A" 888 879 1.01      
31 A" 779 770 0.13      
32 A" 618 611 0.10      
33 A" 346 342 0.07      

Unscaled Zero Point Vibrational Energy (zpe) 24461.4 cm-1
Scaled (by 0.9891) Zero Point Vibrational Energy (zpe) 24194.8 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 LSDA/cc-pVTZ
ABC
0.35129 0.15693 0.11867

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.287 -0.363 1.075
C2 0.287 -0.363 -1.075
C3 -0.124 0.600 0.000
C4 0.287 -1.463 0.000
C5 -0.773 1.750 0.000
H6 -0.377 -0.473 1.944
H7 -0.377 -0.473 -1.944
H8 1.306 -0.155 1.441
H9 1.306 -0.155 -1.441
H10 -1.052 2.242 0.934
H11 -1.052 2.242 -0.934
H12 1.124 -2.173 0.000
H13 -0.656 -2.026 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12 H13
C12.15061.50051.53882.59671.09883.09361.10232.72242.93253.55202.26562.1934
C22.15061.50051.53882.59673.09361.09882.72241.10233.55202.93252.26562.1934
C31.50051.50052.10391.32062.23542.23542.16532.16532.10522.10523.04042.6793
C41.53881.53882.10393.38382.28042.28042.19682.19684.04954.04951.09721.0979
C52.59672.59671.32063.38382.98042.98043.16623.16621.09211.09214.35733.7779
H61.09883.09362.23542.28042.98043.88861.78463.79332.97554.01462.98642.5036
H73.09361.09882.23542.28042.98043.88863.79331.78464.01462.97552.98642.5036
H81.10232.72242.16532.19683.16621.78463.79332.88143.40074.11672.48583.0699
H92.72241.10232.16532.19683.16623.79331.78462.88144.11673.40072.48583.0699
H102.93253.55202.10524.04951.09212.97554.01463.40074.11671.86795.01014.3870
H113.55202.93252.10524.04951.09214.01462.97554.11673.40071.86795.01014.3870
H122.26562.26563.04041.09724.35732.98642.98642.48582.48585.01015.01011.7863
H132.19342.19342.67931.09793.77792.50362.50363.06993.06994.38704.38701.7863

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 91.552 C1 C3 C5 133.883
C1 C4 C2 88.660 C1 C4 H12 117.538
C1 C4 H13 111.490 C2 C3 C5 133.883
C2 C4 H12 117.538 C2 C4 H13 111.490
C3 C1 C4 87.605 C3 C1 H6 117.802
C3 C1 H8 111.680 C3 C2 C4 87.605
C3 C2 H7 117.802 C3 C2 H9 111.680
C3 C5 H10 121.222 C3 C5 H11 121.222
C4 C1 H6 118.720 C4 C1 H8 111.492
C4 C2 H7 118.720 C4 C2 H9 111.492
H6 C1 H8 108.353 H7 C2 H9 108.353
H10 C5 H11 117.556 H12 C4 H13 108.928
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at LSDA/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.226      
2 C -0.226      
3 C 0.050      
4 C -0.199      
5 C -0.291      
6 H 0.110      
7 H 0.110      
8 H 0.116      
9 H 0.116      
10 H 0.111      
11 H 0.111      
12 H 0.107      
13 H 0.114      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.257 -0.571 0.000 0.627
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -32.097 -0.624 0.000
y -0.624 -32.664 0.000
z 0.000 0.000 -30.884
Traceless
 xyz
x -0.323 -0.624 0.000
y -0.624 -1.174 0.000
z 0.000 0.000 1.497
Polar
3z2-r22.993
x2-y20.567
xy-0.624
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.529 -1.770 0.000
y -1.770 10.253 0.000
z 0.000 0.000 8.562


<r2> (average value of r2) Å2
<r2> 0.000
(<r2>)1/2 0.000