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

using model chemistry: CCD/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 CCD/6-31G*
 hartrees
Energy at 0K-156.672048
Energy at 298.15K-156.679937
HF Energy-156.109554
Nuclear repulsion energy119.366490
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 CCD/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 3182 3011 8.69      
2 A1 3162 2993 22.13      
3 A1 3065 2901 27.62      
4 A1 1776 1681 6.08      
5 A1 1555 1472 9.21      
6 A1 1494 1414 0.09      
7 A1 1463 1385 0.44      
8 A1 1114 1054 3.72      
9 A1 839 794 0.05      
10 A1 384 363 0.20      
11 A2 3123 2956 0.00      
12 A2 1525 1444 0.00      
13 A2 1049 993 0.00      
14 A2 714 676 0.00      
15 A2 170 161 0.00      
16 B1 3126 2959 46.99      
17 B1 1541 1459 15.89      
18 B1 1141 1080 0.09      
19 B1 915 866 44.20      
20 B1 432 409 5.17      
21 B1 203 192 0.44      
22 B2 3261 3087 19.19      
23 B2 3161 2991 20.26      
24 B2 3061 2897 18.32      
25 B2 1543 1460 4.41      
26 B2 1470 1391 9.73      
27 B2 1343 1271 2.15      
28 B2 1009 955 0.00      
29 B2 996 942 0.33      
30 B2 442 418 1.21      

Unscaled Zero Point Vibrational Energy (zpe) 24129.3 cm-1
Scaled (by 0.9465) Zero Point Vibrational Energy (zpe) 22838.4 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 CCD/6-31G*
ABC
0.30374 0.27853 0.15361

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.114
C2 0.000 0.000 1.455
H3 0.000 0.925 2.029
H4 0.000 -0.925 2.029
C5 0.000 1.291 -0.678
C6 0.000 -1.291 -0.678
H7 0.000 2.160 -0.013
H8 0.882 1.351 -1.328
H9 -0.882 1.351 -1.328
H10 0.000 -2.160 -0.013
H11 -0.882 -1.351 -1.328
H12 0.882 -1.351 -1.328

Atom - Atom Distances (Å)
  C1 C2 H3 H4 C5 C6 H7 H8 H9 H10 H11 H12
C11.34142.12712.12711.51391.51392.16332.16412.16412.16332.16412.1641
C21.34141.08841.08842.49282.49282.61143.21743.21742.61143.21743.2174
H32.12711.08841.84912.73153.49782.38683.49783.49783.69914.15104.1510
H42.12711.08841.84913.49782.73153.69914.15104.15102.38683.49783.4978
C51.51392.49282.73153.49782.58131.09391.09801.09803.51362.86012.8601
C61.51392.49283.49782.73152.58133.51362.86012.86011.09391.09801.0980
H72.16332.61142.38683.69911.09393.51361.77831.77834.31923.85133.8513
H82.16413.21743.49784.15101.09802.86011.77831.76453.85133.22702.7019
H92.16413.21743.49784.15101.09802.86011.77831.76453.85132.70193.2270
H102.16332.61143.69912.38683.51361.09394.31923.85133.85131.77831.7783
H112.16413.21744.15103.49782.86011.09803.85133.22702.70191.77831.7645
H122.16413.21744.15103.49782.86011.09803.85132.70193.22701.77831.7645

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 121.844 C1 C2 H4 121.844
C1 C5 H7 111.085 C1 C5 H8 110.895
C1 C5 H9 110.895 C1 C6 H10 111.085
C1 C6 H11 110.895 C1 C6 H12 110.895
C2 C1 C5 121.512 C2 C1 C6 121.512
H3 C2 H4 116.313 C5 C1 C6 116.977
H7 C5 H8 108.448 H7 C5 H9 108.448
H8 C5 H9 106.927 H10 C6 H11 108.448
H10 C6 H12 108.448 H11 C6 H12 106.927
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability