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

using model chemistry: TPSSh/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 TPSSh/cc-pVTZ
 hartrees
Energy at 0K-195.380033
Energy at 298.15K-195.388510
HF Energy-195.380033
Nuclear repulsion energy167.818537
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 TPSSh/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' 3123 3024 9.73      
2 A' 3112 3013 47.70      
3 A' 3078 2980 17.10      
4 A' 3057 2960 46.88      
5 A' 3030 2934 13.55      
6 A' 1737 1682 25.82      
7 A' 1505 1457 0.08      
8 A' 1481 1434 1.74      
9 A' 1449 1403 0.67      
10 A' 1260 1220 0.19      
11 A' 1224 1185 0.39      
12 A' 1092 1057 0.88      
13 A' 969 938 0.40      
14 A' 909 880 41.00      
15 A' 889 861 0.72      
16 A' 742 719 1.71      
17 A' 658 637 2.03      
18 A' 381 369 6.18      
19 A' 112 108 0.11      
20 A" 3201 3100 14.10      
21 A" 3081 2984 24.27      
22 A" 3026 2930 47.96      
23 A" 1466 1419 3.02      
24 A" 1282 1242 0.08      
25 A" 1243 1204 0.04      
26 A" 1223 1184 0.50      
27 A" 1185 1147 1.43      
28 A" 1040 1007 0.13      
29 A" 922 893 0.79      
30 A" 910 881 1.30      
31 A" 803 778 0.07      
32 A" 638 618 0.08      
33 A" 355 344 0.10      

Unscaled Zero Point Vibrational Energy (zpe) 25089.7 cm-1
Scaled (by 0.9683) Zero Point Vibrational Energy (zpe) 24294.3 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 TPSSh/cc-pVTZ
ABC
0.34725 0.15438 0.11638

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.231 -0.392 1.092
C2 0.231 -0.392 -1.092
C3 -0.105 0.612 0.000
C4 0.231 -1.501 0.000
C5 -0.616 1.836 0.000
H6 -0.487 -0.492 1.908
H7 -0.487 -0.492 -1.908
H8 1.223 -0.226 1.520
H9 1.223 -0.226 -1.520
H10 -0.838 2.359 0.924
H11 -0.838 2.359 -0.924
H12 1.077 -2.187 0.000
H13 -0.693 -2.079 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12 H13
C12.18361.52091.55612.62121.09153.08641.09352.79922.95533.57362.26542.2122
C22.18361.52091.55612.62123.08641.09152.79921.09353.57362.95532.26542.2122
C31.52091.52092.13941.32572.23752.23752.18622.18622.10722.10723.03902.7552
C41.55611.55612.13943.44202.27482.27482.21812.21814.10964.10961.09001.0901
C52.62122.62121.32573.44203.01253.01253.15373.15371.08491.08494.36473.9159
H61.09153.08642.23752.27483.01253.81691.77293.84063.03574.03382.99372.4912
H73.08641.09152.23752.27483.01253.81693.84061.77294.03383.03572.99372.4912
H81.09352.79922.18622.21813.15371.77293.84063.04093.35934.11172.48543.0687
H92.79921.09352.18622.21813.15373.84061.77293.04094.11173.35932.48543.0687
H102.95533.57362.10724.10961.08493.03574.03383.35934.11171.84875.01854.5356
H113.57362.95532.10724.10961.08494.03383.03574.11173.35931.84875.01854.5356
H122.26542.26543.03901.09004.36472.99372.99372.48542.48545.01855.01851.7735
H132.21222.21222.75521.09013.91592.49122.49123.06873.06874.53564.53561.7735

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 91.758 C1 C3 C5 133.975
C1 C4 C2 89.111 C1 C4 H12 116.667
C1 C4 H13 112.238 C2 C3 C5 133.975
C2 C4 H12 116.667 C2 C4 H13 112.238
C3 C1 C4 88.095 C3 C1 H6 116.897
C3 C1 H8 112.463 C3 C2 C4 88.095
C3 C2 H7 116.897 C3 C2 H9 112.463
C3 C5 H10 121.569 C3 C5 H11 121.569
C4 C1 H6 117.370 C4 C1 H8 112.508
C4 C2 H7 117.370 C4 C2 H9 112.508
H6 C1 H8 108.468 H7 C2 H9 108.468
H10 C5 H11 116.860 H12 C4 H13 108.880
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at TPSSh/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.100      
2 C -0.100      
3 C -0.008      
4 C -0.097      
5 C -0.218      
6 H 0.059      
7 H 0.059      
8 H 0.059      
9 H 0.059      
10 H 0.084      
11 H 0.084      
12 H 0.056      
13 H 0.060      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.209 -0.520 0.000 0.561
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.238 -1.690 0.000
y -1.690 10.213 0.000
z 0.000 0.000 8.341


<r2> (average value of r2) Å2
<r2> 115.662
(<r2>)1/2 10.755