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All results from a given calculation for CH2C(CH3)CH3 (1-Propene, 2-methyl-)

using model chemistry: mPW1PW91/cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at mPW1PW91/cc-pVTZ
 hartrees
Energy at 0K-157.240883
Energy at 298.15K-157.248786
Nuclear repulsion energy120.217169
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 mPW1PW91/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 A1 3154 3025 8.13      
2 A1 3138 3010 17.99      
3 A1 3039 2915 35.21      
4 A1 1740 1669 22.35      
5 A1 1500 1439 15.43      
6 A1 1443 1384 0.96      
7 A1 1409 1352 0.69      
8 A1 1084 1040 3.85      
9 A1 831 798 0.21      
10 A1 375 360 0.38      
11 A2 3086 2960 0.00      
12 A2 1469 1409 0.00      
13 A2 1021 979 0.00      
14 A2 708 679 0.00      
15 A2 171 164 0.00      
16 B1 3088 2962 37.79      
17 B1 1488 1427 17.16      
18 B1 1107 1062 0.14      
19 B1 928 890 45.02      
20 B1 443 424 8.12      
21 B1 211 202 0.47      
22 B2 3237 3105 16.68      
23 B2 3137 3009 22.32      
24 B2 3034 2910 17.60      
25 B2 1481 1421 4.22      
26 B2 1412 1354 12.56      
27 B2 1309 1255 2.16      
28 B2 991 950 0.29      
29 B2 962 923 0.02      
30 B2 436 418 1.50      

Unscaled Zero Point Vibrational Energy (zpe) 23715.5 cm-1
Scaled (by 0.9592) Zero Point Vibrational Energy (zpe) 22747.9 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 mPW1PW91/cc-pVTZ
ABC
0.30848 0.28258 0.15592

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/cc-pVTZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.122
C2 0.000 0.000 1.450
H3 0.000 0.923 2.015
H4 0.000 -0.923 2.015
C5 0.000 1.268 -0.674
C6 0.000 -1.268 -0.674
H7 0.000 2.148 -0.033
H8 0.876 1.317 -1.327
H9 -0.876 1.317 -1.327
H10 0.000 -2.148 -0.033
H11 -0.876 -1.317 -1.327
H12 0.876 -1.317 -1.327

Atom - Atom Distances (Å)
  C1 C2 H3 H4 C5 C6 H7 H8 H9 H10 H11 H12
C11.32792.10642.10641.49671.49672.15332.14442.14442.15332.14442.1444
C21.32791.08251.08252.47332.47332.61023.19513.19512.61023.19513.1951
H32.10641.08251.84622.71123.46862.38693.47703.47703.69154.11724.1172
H42.10641.08251.84623.46862.71123.69154.11724.11722.38693.47703.4770
C51.49672.47332.71123.46862.53511.08851.09321.09323.47482.80552.8055
C61.49672.47333.46862.71122.53513.47482.80552.80551.08851.09321.0932
H72.15332.61022.38693.69151.08853.47481.76901.76904.29543.80013.8001
H82.14443.19513.47704.11721.09322.80551.76901.75143.80013.16272.6334
H92.14443.19513.47704.11721.09322.80551.76901.75143.80012.63343.1627
H102.15332.61023.69152.38693.47481.08854.29543.80013.80011.76901.7690
H112.14443.19514.11723.47702.80551.09323.80013.16272.63341.76901.7514
H122.14443.19514.11723.47702.80551.09323.80012.63343.16271.76901.7514

picture of 1-Propene, 2-methyl- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 H3 121.491 C1 C2 H4 121.491
C1 C5 H7 111.832 C1 C5 H8 110.823
C1 C5 H9 110.823 C1 C6 H10 111.832
C1 C6 H11 110.823 C1 C6 H12 110.823
C2 C1 C5 122.124 C2 C1 C6 122.124
H3 C2 H4 117.019 C5 C1 C6 115.751
H7 C5 H8 108.352 H7 C5 H9 108.352
H8 C5 H9 106.461 H10 C6 H11 108.352
H10 C6 H12 108.352 H11 C6 H12 106.461
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.054 0.000    
2 C -0.292 0.000    
3 H 0.095 0.000    
4 H 0.095 0.000    
5 C -0.233 0.000    
6 C -0.233 0.000    
7 H 0.086 0.000    
8 H 0.085 0.000    
9 H 0.085 0.000    
10 H 0.086 0.000    
11 H 0.085 0.000    
12 H 0.085 0.000    


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 -0.568 0.568
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -27.981 0.000 0.000
y 0.000 -25.561 0.000
z 0.000 0.000 -26.084
Traceless
 xyz
x -2.158 0.000 0.000
y 0.000 1.471 0.000
z 0.000 0.000 0.687
Polar
3z2-r21.374
x2-y2-2.420
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.351 0.000 0.000
y 0.000 7.390 0.000
z 0.000 0.000 9.054


<r2> (average value of r2) Å2
<r2> 90.106
(<r2>)1/2 9.492