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

using model chemistry: B97D3/aug-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 B97D3/aug-cc-pVTZ
 hartrees
Energy at 0K-195.235319
Energy at 298.15K-195.243676
HF Energy-195.235319
Nuclear repulsion energy167.331964
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 B97D3/aug-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' 3075 3028 10.16      
2 A' 3070 3023 48.14      
3 A' 3032 2986 19.60      
4 A' 3014 2968 48.42      
5 A' 2985 2940 12.66      
6 A' 1698 1672 31.37      
7 A' 1467 1445 0.10      
8 A' 1443 1420 1.43      
9 A' 1411 1390 0.54      
10 A' 1226 1207 0.11      
11 A' 1196 1177 0.53      
12 A' 1068 1052 1.12      
13 A' 945 931 0.54      
14 A' 870 857 39.52      
15 A' 866 853 4.06      
16 A' 732 721 1.63      
17 A' 658 648 1.83      
18 A' 373 367 7.00      
19 A' 95 93 0.07      
20 A" 3154 3106 15.42      
21 A" 3036 2989 21.10      
22 A" 2981 2936 55.87      
23 A" 1428 1406 4.63      
24 A" 1248 1229 0.04      
25 A" 1212 1193 0.02      
26 A" 1195 1176 0.42      
27 A" 1156 1138 1.53      
28 A" 1019 1004 0.12      
29 A" 897 883 0.23      
30 A" 889 875 2.21      
31 A" 790 778 0.03      
32 A" 624 615 0.04      
33 A" 350 345 0.11      

Unscaled Zero Point Vibrational Energy (zpe) 24601.4 cm-1
Scaled (by 0.9847) Zero Point Vibrational Energy (zpe) 24225.0 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 B97D3/aug-cc-pVTZ
ABC
0.34735 0.15329 0.11524

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/aug-cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.243 -0.386 1.093
C2 0.243 -0.386 -1.093
C3 -0.104 0.614 0.000
C4 0.243 -1.501 0.000
C5 -0.655 1.823 0.000
H6 -0.465 -0.484 1.921
H7 -0.465 -0.484 -1.921
H8 1.243 -0.216 1.510
H9 1.243 -0.216 -1.510
H10 -0.892 2.338 0.928
H11 -0.892 2.338 -0.928
H12 1.090 -2.190 0.000
H13 -0.686 -2.075 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12 H13
C12.18531.52091.56112.62291.09413.09721.09672.79302.95513.57622.27332.2162
C22.18531.52091.56112.62293.09721.09412.79301.09673.57622.95512.27332.2162
C31.52091.52092.14251.32912.24152.24152.18702.18702.11062.11063.04762.7509
C41.56111.56112.14253.44292.28582.28582.22012.22014.10884.10881.09231.0926
C52.62292.62291.32913.44293.00793.00793.16903.16901.08741.08744.37643.8980
H61.09413.09722.24152.28583.00793.84171.77733.84163.02144.03253.00332.5040
H73.09721.09412.24152.28583.00793.84173.84161.77734.03253.02143.00332.5040
H81.09672.79302.18702.22013.16901.77733.84163.01923.37934.12612.48983.0753
H92.79301.09672.18702.22013.16903.84161.77733.01924.12613.37932.48983.0753
H102.95513.57622.11064.10881.08743.02144.03253.37934.12611.85645.02924.5139
H113.57622.95512.11064.10881.08744.03253.02144.12613.37931.85645.02924.5139
H122.27332.27333.04761.09234.37643.00333.00332.48982.48985.02925.02921.7802
H132.21622.21622.75091.09263.89802.50402.50403.07533.07534.51394.51391.7802

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 91.852 C1 C3 C5 133.833
C1 C4 C2 88.846 C1 C4 H12 116.803
C1 C4 H13 112.052 C2 C3 C5 133.833
C2 C4 H12 116.803 C2 C4 H13 112.052
C3 C1 C4 88.073 C3 C1 H6 117.066
C3 C1 H8 112.325 C3 C2 C4 88.073
C3 C2 H7 117.066 C3 C2 H9 112.325
C3 C5 H10 121.395 C3 C5 H11 121.395
C4 C1 H6 117.754 C4 C1 H8 112.117
C4 C2 H7 117.754 C4 C2 H9 112.117
H6 C1 H8 108.443 H7 C2 H9 108.443
H10 C5 H11 117.210 H12 C4 H13 109.132
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.300      
2 C -0.300      
3 C 0.534      
4 C -0.267      
5 C -0.654      
6 H 0.112      
7 H 0.112      
8 H 0.091      
9 H 0.091      
10 H 0.166      
11 H 0.166      
12 H 0.178      
13 H 0.072      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.203 -0.565 0.000 0.600
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -32.325 -0.504 0.000
y -0.504 -32.664 0.000
z 0.000 0.000 -31.155
Traceless
 xyz
x -0.416 -0.504 0.000
y -0.504 -0.924 0.000
z 0.000 0.000 1.340
Polar
3z2-r22.679
x2-y20.339
xy-0.504
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.975 -1.439 0.000
y -1.439 11.196 0.000
z 0.000 0.000 9.108


<r2> (average value of r2) Å2
<r2> 116.573
(<r2>)1/2 10.797