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

using model chemistry: QCISD/3-21G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at QCISD/3-21G*
 hartrees
Energy at 0K-194.559409
Energy at 298.15K-194.570203
HF Energy-194.042816
Nuclear repulsion energy182.424395
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 QCISD/3-21G*
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 3138 3016 7.21      
2 A 3080 2960 34.85      
3 A 3013 2896 24.67      
4 A 1583 1522 3.30      
5 A 1550 1490 2.30      
6 A 1483 1425 0.11      
7 A 1348 1296 0.77      
8 A 1113 1070 17.69      
9 A 1077 1035 0.44      
10 A 910 875 10.18      
11 A 654 629 1.84      
12 A 358 344 0.00      
13 A 3211 3086 0.00      
14 A 3069 2949 0.00      
15 A 1562 1501 0.00      
16 A 1209 1162 0.00      
17 A 1106 1063 0.00      
18 A 935 899 0.00      
19 A 338 325 0.00      
20 A 223 215 0.00      
21 A 3131 3009 14.62      
22 A 3073 2953 52.83      
23 A 1578 1516 5.67      
24 A 1530 1471 3.63      
25 A 1217 1169 6.76      
26 A 1129 1085 0.95      
27 A 828 796 5.53      
28 A 392 377 1.83      
29 A 240 230 0.02      
30 A 3226 3100 18.74      
31 A 3077 2957 14.43      
32 A 3009 2892 26.39      
33 A 1573 1511 4.86      
34 A 1469 1412 8.25      
35 A 1337 1285 1.72      
36 A 1019 980 0.27      
37 A 953 916 0.94      
38 A 808 777 0.02      
39 A 359 345 0.59      

Unscaled Zero Point Vibrational Energy (zpe) 30453.1 cm-1
Scaled (by 0.9611) Zero Point Vibrational Energy (zpe) 29268.5 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 QCISD/3-21G*
ABC
0.20051 0.16907 0.12442

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD/3-21G*

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.156
C2 0.773 0.000 -1.168
C3 -0.773 0.000 -1.168
C4 0.000 1.289 0.981
C5 0.000 -1.289 0.981
H6 1.280 0.917 -1.460
H7 1.280 -0.917 -1.460
H8 -1.280 -0.917 -1.460
H9 -1.280 0.917 -1.460
H10 -0.894 1.332 1.623
H11 -0.894 -1.332 1.623
H12 0.894 -1.332 1.623
H13 0.894 1.332 1.623
H14 0.000 2.172 0.325
H15 0.000 -2.172 0.325

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12 H13 H14 H15
C11.53331.53331.53041.53042.25672.25672.25672.25672.17342.17342.17342.17342.17842.1784
C21.53331.54512.62282.62281.08821.08822.26682.26683.51293.51293.09493.09492.74632.7463
C31.53331.54512.62282.62282.26682.26681.08821.08823.09493.09493.51293.51292.74632.7463
C41.53042.62282.62282.57802.78163.53103.53102.78161.10112.84242.84241.10111.10043.5227
C51.53042.62282.62282.57803.53102.78162.78163.53102.84241.10111.10112.84243.52271.1004
H62.25671.08822.26682.78163.53101.83493.14902.55913.79504.39203.83593.13472.52923.7904
H72.25671.08822.26683.53102.78161.83492.55913.14904.39203.79503.13473.83593.79042.5292
H82.25672.26681.08823.53102.78163.14902.55911.83493.83593.13473.79504.39203.79042.5292
H92.25672.26681.08822.78163.53102.55913.14901.83493.13473.83594.39203.79502.52923.7904
H102.17343.51293.09491.10112.84243.79504.39203.83593.13472.66363.20801.78791.78623.8419
H112.17343.51293.09492.84241.10114.39203.79503.13473.83592.66361.78793.20803.84191.7862
H122.17343.09493.51292.84241.10113.83593.13473.79504.39203.20801.78792.66363.84191.7862
H132.17343.09493.51291.10112.84243.13473.83594.39203.79501.78793.20802.66361.78623.8419
H142.17842.74632.74631.10043.52272.52923.79043.79042.52921.78623.84193.84191.78624.3438
H152.17842.74632.74633.52271.10043.79042.52922.52923.79043.84191.78621.78623.84194.3438

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 59.747 C1 C2 H6 117.820
C1 C2 H7 117.820 C1 C3 C2 59.747
C1 C3 H8 117.820 C1 C3 H9 117.820
C1 C4 H10 110.291 C1 C4 H13 110.291
C1 C4 H14 110.730 C1 C5 H11 110.291
C1 C5 H12 110.291 C1 C5 H15 110.730
C2 C1 C3 60.506 C2 C1 C4 117.754
C2 C1 C5 117.754 C2 C3 H8 117.771
C2 C3 H9 117.771 C3 C1 C4 117.754
C3 C1 C5 117.754 C3 C2 H6 117.771
C3 C2 H7 117.771 C4 C1 C5 114.757
H6 C2 H7 114.935 H8 C3 H9 114.935
H10 C4 H13 108.557 H10 C4 H14 108.454
H11 C5 H12 108.557 H11 C5 H15 108.454
H12 C5 H15 108.454 H13 C4 H14 108.454
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability