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: B3LYP/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 B3LYP/6-31G*
 hartrees
Energy at 0K-196.528817
Energy at 298.15K-196.539550
Nuclear repulsion energy183.910996
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/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 A 3141 3016 13.77      
2 A 3109 2985 41.24      
3 A 3036 2915 43.28      
4 A 1546 1484 0.02      
5 A 1532 1471 4.39      
6 A 1452 1394 0.27      
7 A 1369 1314 1.95      
8 A 1101 1058 0.90      
9 A 1054 1012 6.54      
10 A 956 918 11.03      
11 A 690 663 1.34      
12 A 350 336 0.01      
13 A 3209 3081 0.00      
14 A 3088 2966 0.00      
15 A 1511 1451 0.00      
16 A 1201 1153 0.00      
17 A 1078 1036 0.00      
18 A 908 872 0.00      
19 A 328 315 0.00      
20 A 214 206 0.00      
21 A 3136 3011 26.13      
22 A 3092 2969 69.32      
23 A 1530 1469 4.94      
24 A 1496 1436 2.31      
25 A 1172 1125 5.84      
26 A 1082 1039 1.02      
27 A 858 824 5.76      
28 A 392 377 1.02      
29 A 241 231 0.01      
30 A 3223 3095 30.24      
31 A 3106 2983 20.14      
32 A 3030 2910 34.26      
33 A 1524 1464 4.24      
34 A 1439 1382 4.07      
35 A 1332 1279 2.11      
36 A 984 944 0.33      
37 A 957 919 0.58      
38 A 797 766 0.06      
39 A 359 345 0.73      

Unscaled Zero Point Vibrational Energy (zpe) 30310.0 cm-1
Scaled (by 0.9603) Zero Point Vibrational Energy (zpe) 29106.7 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/6-31G*
ABC
0.20438 0.17209 0.12612

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/6-31G*

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.151
C2 0.757 0.000 -1.158
C3 -0.757 0.000 -1.158
C4 0.000 1.277 0.974
C5 0.000 -1.277 0.974
H6 1.268 0.912 -1.459
H7 1.268 -0.912 -1.459
H8 -1.268 -0.912 -1.459
H9 -1.268 0.912 -1.459
H10 -0.886 1.331 1.620
H11 -0.886 -1.331 1.620
H12 0.886 -1.331 1.620
H13 0.886 1.331 1.620
H14 0.000 2.167 0.334
H15 0.000 -2.167 0.334

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12 H13 H14 H15
C11.51231.51231.51901.51902.24252.24252.24252.24252.17112.17112.17112.17112.17432.1743
C21.51231.51362.59772.59771.08741.08742.24052.24053.49103.49103.08313.08312.73732.7373
C31.51231.51362.59772.59772.24052.24051.08741.08743.08313.08313.49103.49102.73732.7373
C41.51902.59772.59772.55402.76683.50893.50892.76681.09792.82922.82921.09791.09593.5026
C51.51902.59772.59772.55403.50892.76682.76683.50892.82921.09791.09792.82923.50261.0959
H62.24251.08742.24052.76683.50891.82373.12302.53523.78004.37533.82773.12992.52843.7809
H72.24251.08742.24053.50892.76681.82372.53523.12304.37533.78003.12993.82773.78092.5284
H82.24252.24051.08743.50892.76683.12302.53521.82373.82773.12993.78004.37533.78092.5284
H92.24252.24051.08742.76683.50892.53523.12301.82373.12993.82774.37533.78002.52843.7809
H102.17113.49103.08311.09792.82923.78004.37533.82773.12992.66213.19791.77191.77123.8306
H112.17113.49103.08312.82921.09794.37533.78003.12993.82772.66211.77193.19793.83061.7712
H122.17113.08313.49102.82921.09793.82773.12993.78004.37533.19791.77192.66213.83061.7712
H132.17113.08313.49101.09792.82923.12993.82774.37533.78001.77193.19792.66211.77123.8306
H142.17432.73732.73731.09593.50262.52843.78093.78092.52841.77123.83063.83061.77124.3333
H152.17432.73732.73733.50261.09593.78092.52842.52843.78093.83061.77121.77123.83064.3333

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 59.971 C1 C2 H6 118.300
C1 C2 H7 118.300 C1 C3 C2 59.971
C1 C3 H8 118.300 C1 C3 H9 118.300
C1 C4 H10 111.105 C1 C4 H13 111.105
C1 C4 H14 111.483 C1 C5 H11 111.105
C1 C5 H12 111.105 C1 C5 H15 111.483
C2 C1 C3 60.058 C2 C1 C4 117.958
C2 C1 C5 117.958 C2 C3 H8 118.017
C2 C3 H9 118.017 C3 C1 C4 117.958
C3 C1 C5 117.958 C3 C2 H6 118.017
C3 C2 H7 118.017 C4 C1 C5 114.428
H6 C2 H7 113.970 H8 C3 H9 113.970
H10 C4 H13 107.604 H10 C4 H14 107.681
H11 C5 H12 107.604 H11 C5 H15 107.681
H12 C5 H15 107.681 H13 C4 H14 107.681
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.144 0.208   0.403
2 C -0.324 -0.260   -0.325
3 C -0.324 -0.260   -0.316
4 C -0.459 -0.216   -0.553
5 C -0.459 -0.216   -0.553
6 H 0.144 0.098   0.122
7 H 0.144 0.098   0.122
8 H 0.144 0.098   0.120
9 H 0.144 0.098   0.120
10 H 0.142 0.051   0.138
11 H 0.142 0.051   0.138
12 H 0.138 0.073   0.138
13 H 0.142 0.051   0.138
14 H 0.138 0.073   0.155
15 H 0.142 0.051   0.155


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 0.100 0.100
CHELPG -0.098 0.000 0.000 0.098
AIM        
ESP -0.003 0.000 0.099 0.099


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -33.264 0.000 0.000
y 0.000 -32.049 0.000
z 0.000 0.000 -33.794
Traceless
 xyz
x -0.342 0.000 0.000
y 0.000 1.479 0.000
z 0.000 0.000 -1.138
Polar
3z2-r2-2.275
x2-y2-1.214
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.199 0.000 0.000
y 0.000 7.562 0.000
z 0.000 0.000 7.933


<r2> (average value of r2) Å2
<r2> 123.278
(<r2>)1/2 11.103