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: BLYP/6-311G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at BLYP/6-311G**
 hartrees
Energy at 0K-196.452484
Energy at 298.15K-196.463081
Nuclear repulsion energy182.812314
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 BLYP/6-311G**
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 3040 3028 15.90      
2 A 3008 2996 42.32      
3 A 2940 2928 54.00      
4 A 1477 1472 0.80      
5 A 1465 1459 5.13      
6 A 1386 1380 0.00      
7 A 1302 1297 2.01      
8 A 1050 1046 0.32      
9 A 1003 999 13.03      
10 A 906 903 8.22      
11 A 658 656 1.20      
12 A 345 343 0.04      
13 A 3107 3095 0.00      
14 A 2983 2971 0.00      
15 A 1448 1442 0.00      
16 A 1153 1148 0.00      
17 A 1035 1031 0.00      
18 A 874 871 0.00      
19 A 321 319 0.00      
20 A 208 207 0.00      
21 A 3036 3024 32.48      
22 A 2986 2974 78.03      
23 A 1466 1461 6.59      
24 A 1434 1428 4.22      
25 A 1120 1116 4.02      
26 A 1031 1027 1.14      
27 A 809 806 5.48      
28 A 384 383 1.07      
29 A 233 232 0.00      
30 A 3122 3110 35.24      
31 A 3006 2994 24.06      
32 A 2934 2923 36.89      
33 A 1461 1455 4.98      
34 A 1372 1367 5.54      
35 A 1269 1264 2.36      
36 A 948 945 0.23      
37 A 914 910 0.24      
38 A 771 768 0.03      
39 A 352 351 0.88      

Unscaled Zero Point Vibrational Energy (zpe) 29178.1 cm-1
Scaled (by 0.9961) Zero Point Vibrational Energy (zpe) 29064.3 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 BLYP/6-311G**
ABC
0.20195 0.16978 0.12456

See section I.F.4 to change rotational constant units
Geometric Data calculated at BLYP/6-311G**

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.152
C2 0.763 0.000 -1.167
C3 -0.763 0.000 -1.167
C4 0.000 1.285 0.980
C5 0.000 -1.285 0.980
H6 1.274 0.915 -1.467
H7 1.274 -0.915 -1.467
H8 -1.274 -0.915 -1.467
H9 -1.274 0.915 -1.467
H10 -0.890 1.337 1.629
H11 -0.890 -1.337 1.629
H12 0.890 -1.337 1.629
H13 0.890 1.337 1.629
H14 0.000 2.178 0.339
H15 0.000 -2.178 0.339

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12 H13 H14 H15
C11.52331.52331.52861.52862.25472.25472.25472.25472.18202.18202.18202.18202.18612.1861
C21.52331.52622.61562.61561.09071.09072.25392.25393.51193.51193.10123.10122.75562.7556
C31.52331.52622.61562.61562.25392.25391.09071.09073.10123.10123.51193.51192.75562.7556
C41.52862.61562.61562.56932.78413.52913.52912.78411.10222.84382.84381.10221.09973.5216
C51.52862.61562.61562.56933.52912.78412.78413.52912.84381.10221.10222.84383.52161.0997
H62.25471.09072.25392.78413.52911.83063.13822.54903.80084.39803.84793.14802.54593.8021
H72.25471.09072.25393.52912.78411.83062.54903.13824.39803.80083.14803.84793.80212.5459
H82.25472.25391.09073.52912.78413.13822.54901.83063.84793.14803.80084.39803.80212.5459
H92.25472.25391.09072.78413.52912.54903.13821.83063.14803.84794.39803.80082.54593.8021
H102.18203.51193.10121.10222.84383.80084.39803.84793.14802.67493.21281.77961.77803.8488
H112.18203.51193.10122.84381.10224.39803.80083.14803.84792.67491.77963.21283.84881.7780
H122.18203.10123.51192.84381.10223.84793.14803.80084.39803.21281.77962.67493.84881.7780
H132.18203.10123.51191.10222.84383.14803.84794.39803.80081.77963.21282.67491.77803.8488
H142.18612.75562.75561.09973.52162.54593.80213.80212.54591.77803.84883.84881.77804.3562
H152.18612.75562.75563.52161.09973.80212.54592.54593.80213.84881.77801.77803.84884.3562

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 59.938 C1 C2 H6 118.258
C1 C2 H7 118.258 C1 C3 C2 59.938
C1 C3 H8 118.258 C1 C3 H9 118.258
C1 C4 H10 111.039 C1 C4 H13 111.039
C1 C4 H14 111.518 C1 C5 H11 111.039
C1 C5 H12 111.039 C1 C5 H15 111.518
C2 C1 C3 60.124 C2 C1 C4 117.972
C2 C1 C5 117.972 C2 C3 H8 117.960
C2 C3 H9 117.960 C3 C1 C4 117.972
C3 C1 C5 117.972 C3 C2 H6 117.960
C3 C2 H7 117.960 C4 C1 C5 114.369
H6 C2 H7 114.103 H8 C3 H9 114.103
H10 C4 H13 107.667 H10 C4 H14 107.701
H11 C5 H12 107.667 H11 C5 H15 107.701
H12 C5 H15 107.701 H13 C4 H14 107.701
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.183      
2 C -0.190      
3 C -0.190      
4 C -0.221      
5 C -0.221      
6 H 0.108      
7 H 0.108      
8 H 0.108      
9 H 0.108      
10 H 0.099      
11 H 0.099      
12 H 0.099      
13 H 0.099      
14 H 0.090      
15 H 0.090      


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 0.098 0.098
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -34.267 0.000 0.000
y 0.000 -33.010 0.000
z 0.000 0.000 -34.802
Traceless
 xyz
x -0.361 0.000 0.000
y 0.000 1.524 0.000
z 0.000 0.000 -1.163
Polar
3z2-r2-2.326
x2-y2-1.257
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.137 0.000 0.000
y 0.000 8.648 0.000
z 0.000 0.000 9.165


<r2> (average value of r2) Å2
<r2> 125.152
(<r2>)1/2 11.187