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

using model chemistry: TPSSh/6-31+G**

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/6-31+G**
 hartrees
Energy at 0K-195.329014
Energy at 298.15K-195.337472
HF Energy-195.329014
Nuclear repulsion energy167.323147
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/6-31+G**
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' 3145 3027 12.03      
2 A' 3131 3014 49.24      
3 A' 3097 2981 16.79      
4 A' 3072 2957 53.53      
5 A' 3045 2931 15.23      
6 A' 1740 1675 28.70      
7 A' 1515 1458 0.15      
8 A' 1488 1433 1.99      
9 A' 1454 1400 0.38      
10 A' 1265 1218 0.06      
11 A' 1225 1179 0.48      
12 A' 1094 1053 1.13      
13 A' 971 935 0.54      
14 A' 900 866 50.91      
15 A' 892 859 4.06      
16 A' 748 720 1.92      
17 A' 657 633 2.38      
18 A' 380 365 7.76      
19 A' 114 110 0.09      
20 A" 3228 3107 16.84      
21 A" 3101 2985 27.01      
22 A" 3041 2927 53.18      
23 A" 1475 1420 2.41      
24 A" 1288 1240 0.02      
25 A" 1247 1200 0.11      
26 A" 1224 1179 0.85      
27 A" 1189 1145 1.98      
28 A" 1042 1003 0.17      
29 A" 930 895 1.19      
30 A" 913 878 1.15      
31 A" 806 776 0.12      
32 A" 640 616 0.14      
33 A" 354 341 0.03      

Unscaled Zero Point Vibrational Energy (zpe) 25205.1 cm-1
Scaled (by 0.9625) Zero Point Vibrational Energy (zpe) 24259.9 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/6-31+G**
ABC
0.34524 0.15333 0.11573

See section I.F.4 to change rotational constant units
Geometric Data calculated at TPSSh/6-31+G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.233 -0.394 1.094
C2 0.233 -0.394 -1.094
C3 -0.106 0.613 0.000
C4 0.233 -1.505 0.000
C5 -0.622 1.844 0.000
H6 -0.487 -0.495 1.913
H7 -0.487 -0.495 -1.913
H8 1.228 -0.227 1.524
H9 1.228 -0.227 -1.524
H10 -0.844 2.369 0.926
H11 -0.844 2.369 -0.926
H12 1.082 -2.193 0.000
H13 -0.694 -2.085 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12 H13
C12.18831.52481.55912.63371.09493.09401.09672.80572.97003.58822.27062.2174
C22.18831.52481.55912.63373.09401.09492.80571.09673.58822.97002.27062.2174
C31.52481.52482.14411.33522.24322.24322.19252.19252.11842.11843.04692.7612
C41.55911.55912.14413.45612.28002.28002.22352.22354.12584.12581.09341.0935
C52.63372.63371.33523.45613.02503.02503.16773.16771.08771.08774.38213.9304
H61.09493.09402.24322.28003.02503.82681.77853.85043.05004.04893.00112.4968
H73.09401.09492.24322.28003.02503.82683.85041.77854.04893.05003.00112.4968
H81.09672.80572.19252.22353.16771.77853.85043.04763.37494.12762.49143.0769
H92.80571.09672.19252.22353.16773.85041.77853.04764.12763.37492.49143.0769
H102.97003.58822.11844.12581.08773.05004.04893.37494.12761.85295.03784.5522
H113.58822.97002.11844.12581.08774.04893.05004.12763.37491.85295.03784.5522
H122.27062.27063.04691.09344.38213.00113.00112.49142.49145.03785.03781.7792
H132.21742.21742.76121.09353.93042.49682.49683.07693.07694.55224.55221.7792

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 91.712 C1 C3 C5 134.002
C1 C4 C2 89.140 C1 C4 H12 116.651
C1 C4 H13 112.233 C2 C3 C5 134.002
C2 C4 H12 116.651 C2 C4 H13 112.233
C3 C1 C4 88.088 C3 C1 H6 116.854
C3 C1 H8 112.492 C3 C2 C4 88.088
C3 C2 H7 116.854 C3 C2 H9 112.492
C3 C5 H10 121.596 C3 C5 H11 121.596
C4 C1 H6 117.354 C4 C1 H8 112.525
C4 C2 H7 117.354 C4 C2 H9 112.525
H6 C1 H8 108.486 H7 C2 H9 108.486
H10 C5 H11 116.808 H12 C4 H13 108.893
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at TPSSh/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.500      
2 C -0.500      
3 C 0.237      
4 C -0.225      
5 C -0.263      
6 H 0.159      
7 H 0.159      
8 H 0.169      
9 H 0.169      
10 H 0.144      
11 H 0.144      
12 H 0.145      
13 H 0.163      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.237 -0.570 0.000 0.617
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 7.529 -1.633 0.000
y -1.633 10.264 0.000
z 0.000 0.000 8.210


<r2> (average value of r2) Å2
<r2> 116.359
(<r2>)1/2 10.787