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

using model chemistry: B3LYP/LANL2DZ

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/LANL2DZ
 hartrees
Energy at 0K-195.266143
Energy at 298.15K-195.274596
Nuclear repulsion energy165.854956
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/LANL2DZ
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' 3162 3039 73.39      
2 A' 3147 3025 8.01      
3 A' 3119 2998 23.53      
4 A' 3090 2970 53.17      
5 A' 3063 2944 7.78      
6 A' 1750 1682 32.47      
7 A' 1519 1460 1.24      
8 A' 1497 1438 2.40      
9 A' 1462 1405 3.11      
10 A' 1279 1229 1.66      
11 A' 1227 1180 0.06      
12 A' 1114 1071 2.23      
13 A' 972 934 2.45      
14 A' 963 925 88.11      
15 A' 881 847 0.19      
16 A' 759 729 6.40      
17 A' 674 648 2.22      
18 A' 389 374 9.16      
19 A' 88 85 0.01      
20 A" 3246 3120 19.64      
21 A" 3124 3002 8.99      
22 A" 3059 2941 65.30      
23 A" 1487 1429 14.04      
24 A" 1304 1254 0.78      
25 A" 1267 1218 3.86      
26 A" 1235 1187 4.83      
27 A" 1209 1162 7.52      
28 A" 1054 1013 0.10      
29 A" 948 911 1.81      
30 A" 914 879 2.20      
31 A" 823 792 0.10      
32 A" 645 620 0.08      
33 A" 357 343 0.01      

Unscaled Zero Point Vibrational Energy (zpe) 25412.8 cm-1
Scaled (by 0.9612) Zero Point Vibrational Energy (zpe) 24426.8 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 B3LYP/LANL2DZ
ABC
0.34488 0.14990 0.11204

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/LANL2DZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.123 -0.432 1.107
C2 0.123 -0.432 -1.107
C3 0.000 0.627 0.000
C4 -0.006 -1.543 0.000
C5 -0.240 1.948 0.000
H6 -0.654 -0.416 1.879
H7 -0.654 -0.416 -1.879
H8 1.103 -0.430 1.603
H9 1.103 -0.430 -1.603
H10 -0.340 2.509 0.927
H11 -0.340 2.509 -0.927
H12 0.772 -2.312 0.000
H13 -0.987 -2.031 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12 H13
C12.21411.53691.57442.64981.09583.08571.09792.88142.98273.60602.27682.2394
C22.21411.53691.57442.64983.08571.09582.88141.09793.60602.98272.27682.2394
C31.53691.53692.17091.34252.24672.24672.21442.21442.12552.12553.03952.8354
C41.57441.57442.17093.49962.28532.28532.24472.24474.17104.17101.09401.0947
C52.64982.64981.34253.49963.04833.04833.16693.16691.08861.08864.37924.0485
H61.09583.08572.24672.28533.04833.75831.77873.90023.09214.06603.02682.4999
H73.08571.09582.24672.28533.04833.75833.90021.77874.06603.09213.02682.4999
H81.09792.88142.21442.24473.16691.77873.90023.20563.34354.13832.49433.0817
H92.88141.09792.21442.24473.16693.90021.77873.20564.13833.34352.49433.0817
H102.98273.60602.12554.17101.08863.09214.06603.34354.13831.85505.03464.6788
H113.60602.98272.12554.17101.08864.06603.09214.13833.34351.85505.03464.6788
H122.27682.27683.03951.09404.37923.02683.02682.49432.49435.03465.03461.7809
H132.23942.23942.83541.09474.04852.49992.49993.08173.08174.67884.67881.7809

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 92.158 C1 C3 C5 133.809
C1 C4 C2 89.361 C1 C4 H12 115.969
C1 C4 H13 112.834 C2 C3 C5 133.809
C2 C4 H12 115.969 C2 C4 H13 112.834
C3 C1 C4 88.485 C3 C1 H6 116.153
C3 C1 H8 113.322 C3 C2 C4 88.485
C3 C2 H7 116.153 C3 C2 H9 113.322
C3 C5 H10 121.573 C3 C5 H11 121.573
C4 C1 H6 116.562 C4 C1 H8 113.072
C4 C2 H7 116.562 C4 C2 H9 113.072
H6 C1 H8 108.349 H7 C2 H9 108.349
H10 C5 H11 116.855 H12 C4 H13 108.911
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/LANL2DZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.522      
2 C -0.522      
3 C 0.466      
4 C -0.403      
5 C -0.727      
6 H 0.220      
7 H 0.220      
8 H 0.209      
9 H 0.209      
10 H 0.217      
11 H 0.217      
12 H 0.214      
13 H 0.203      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.052 -0.637 0.000 0.639
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -32.136 -0.512 0.000
y -0.512 -31.600 0.000
z 0.000 0.000 -30.157
Traceless
 xyz
x -1.257 -0.512 0.000
y -0.512 -0.453 0.000
z 0.000 0.000 1.710
Polar
3z2-r23.421
x2-y2-0.536
xy-0.512
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 9.861 -0.001 -0.303
y -0.001 7.117 -0.003
z -0.303 -0.003 5.244


<r2> (average value of r2) Å2
<r2> 118.239
(<r2>)1/2 10.874