return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

All results from a given calculation for C5H10 (Cyclopropane, 1,1-dimethyl-)

using model chemistry: B97D3/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at B97D3/6-31G*
 hartrees
Energy at 0K-196.398648
Energy at 298.15K-196.409303
HF Energy-196.398648
Nuclear repulsion energy 
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 B97D3/6-31G*
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A1 3083 3023 18.85      
2 A1 3057 2997 46.69      
3 A1 2976 2918 52.71      
4 A1 1516 1486 0.11      
5 A1 1502 1473 3.68      
6 A1 1421 1393 0.46      
7 A1 1345 1319 2.10      
8 A1 1084 1062 0.65      
9 A1 1023 1003 7.27      
10 A1 946 928 11.34      
11 A1 685 672 1.02      
12 A1 348 342 0.01      
13 A2 3153 3091 0.00      
14 A2 3035 2976 0.00      
15 A2 1483 1454 0.00      
16 A2 1177 1154 0.00      
17 A2 1059 1038 0.00      
18 A2 890 873 0.00      
19 A2 326 320 0.00      
20 A2 209 205 0.00      
21 B1 3079 3018 34.65      
22 B1 3038 2979 79.23      
23 B1 1503 1473 4.75      
24 B1 1468 1439 1.92      
25 B1 1148 1126 5.18      
26 B1 1046 1025 1.32      
27 B1 856 839 4.65      
28 B1 385 378 1.08      
29 B1 238 234 0.01      
30 B2 3168 3106 37.12      
31 B2 3054 2994 23.06      
32 B2 2971 2912 43.93      
33 B2 1496 1467 4.20      
34 B2 1407 1380 3.06      
35 B2 1306 1281 2.39      
36 B2 966 947 0.29      
37 B2 941 923 0.60      
38 B2 782 767 0.06      
39 B2 358 351 0.72      

Unscaled Zero Point Vibrational Energy (zpe) 29764.3 cm-1
Scaled (by 0.9804) Zero Point Vibrational Energy (zpe) 29180.9 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 B97D3/6-31G*
ABC
0.20394 0.17177 0.12594

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/6-31G*

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.150
C2 0.757 0.000 -1.159
C3 -0.757 0.000 -1.159
C4 0.000 1.278 0.974
C5 0.000 -1.278 0.974
H6 1.271 0.916 -1.458
H7 1.271 -0.916 -1.458
H8 -1.271 -0.916 -1.458
H9 -1.271 0.916 -1.458
H10 -0.890 1.329 1.622
H11 -0.890 -1.329 1.622
H12 0.890 -1.329 1.622
H13 0.890 1.329 1.622
H14 0.000 2.170 0.331
H15 0.000 -2.170 0.331

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12 H13 H14 H15
C11.51271.51271.52051.52052.24472.24472.24472.24472.17392.17392.17392.17392.17782.1778
C21.51271.51472.59962.59961.09141.09142.24522.24523.49533.49533.08553.08552.73962.7396
C31.51271.51472.59962.59962.24522.24521.09141.09143.08553.08553.49533.49532.73962.7396
C41.52052.59962.59962.55562.76773.51293.51292.76771.10202.83022.83021.10201.10003.5076
C51.52052.59962.59962.55563.51292.76772.76773.51292.83021.10201.10202.83023.50761.1000
H62.24471.09142.24522.76773.51291.83153.13272.54163.78484.38123.83023.13062.52763.7866
H72.24471.09142.24523.51292.76771.83152.54163.13274.38123.78483.13063.83023.78662.5276
H82.24472.24521.09143.51292.76773.13272.54161.83153.83023.13063.78484.38123.78662.5276
H92.24472.24521.09142.76773.51292.54163.13271.83153.13063.83024.38123.78482.52763.7866
H102.17393.49533.08551.10202.83023.78484.38123.83023.13062.65893.19981.78011.77913.8349
H112.17393.49533.08552.83021.10204.38123.78483.13063.83022.65891.78013.19983.83491.7791
H122.17393.08553.49532.83021.10203.83023.13063.78484.38123.19981.78012.65893.83491.7791
H132.17393.08553.49531.10202.83023.13063.83024.38123.78481.78013.19982.65891.77913.8349
H142.17782.73962.73961.10003.50762.52763.78663.78662.52761.77913.83493.83491.77914.3406
H152.17782.73962.73963.50761.10003.78662.52762.52763.78663.83491.77911.77913.83494.3406

picture of Cyclopropane, 1,1-dimethyl- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 59.977 C1 C2 H6 118.257
C1 C2 H7 118.257 C1 C3 C2 59.977
C1 C3 H8 118.257 C1 C3 H9 118.257
C1 C4 H10 111.012 C1 C4 H13 111.012
C1 C4 H14 111.484 C1 C5 H11 111.012
C1 C5 H12 111.012 C1 C5 H15 111.484
C2 C1 C3 60.047 C2 C1 C4 117.961
C2 C1 C5 117.961 C2 C3 H8 117.966
C2 C3 H9 117.966 C3 C1 C4 117.961
C3 C1 C5 117.961 C3 C2 H6 117.966
C3 C2 H7 117.966 C4 C1 C5 114.423
H6 C2 H7 114.083 H8 C3 H9 114.083
H10 C4 H13 107.690 H10 C4 H14 107.737
H11 C5 H12 107.690 H11 C5 H15 107.737
H12 C5 H15 107.737 H13 C4 H14 107.737
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.128      
2 C -0.328      
3 C -0.328      
4 C -0.470      
5 C -0.470      
6 H 0.149      
7 H 0.149      
8 H 0.149      
9 H 0.149      
10 H 0.146      
11 H 0.146      
12 H 0.146      
13 H 0.146      
14 H 0.143      
15 H 0.143      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.000 0.000 0.091 0.091
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -33.096 0.000 0.000
y 0.000 -31.883 0.000
z 0.000 0.000 -33.676
Traceless
 xyz
x -0.316 0.000 0.000
y 0.000 1.503 0.000
z 0.000 0.000 -1.187
Polar
3z2-r2-2.374
x2-y2-1.213
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.335 0.000 0.000
y 0.000 7.750 0.000
z 0.000 0.000 8.121


<r2> (average value of r2) Å2
<r2> 123.383
(<r2>)1/2 11.108