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

using model chemistry: CCSD/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 CCSD/6-31G*
 hartrees
Energy at 0K-156.676543
Energy at 298.15K-156.684422
HF Energy-156.109417
Nuclear repulsion energy119.301981
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 CCSD/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 3174 2997 9.74      
2 A1 3152 2977 22.64      
3 A1 3058 2887 30.70      
4 A1 1764 1666 8.04      
5 A1 1553 1467 9.27      
6 A1 1492 1409 0.06      
7 A1 1461 1380 0.18      
8 A1 1112 1050 3.39      
9 A1 836 790 0.04      
10 A1 383 362 0.20      
11 A2 3112 2938 0.00      
12 A2 1523 1439 0.00      
13 A2 1047 989 0.00      
14 A2 712 673 0.00      
15 A2 170 161 0.00      
16 B1 3115 2941 49.96      
17 B1 1539 1454 15.41      
18 B1 1138 1074 0.05      
19 B1 909 858 44.27      
20 B1 432 407 4.90      
21 B1 203 191 0.43      
22 B2 3252 3071 20.29      
23 B2 3150 2975 21.64      
24 B2 3053 2883 18.72      
25 B2 1541 1455 4.23      
26 B2 1467 1386 9.00      
27 B2 1341 1266 2.19      
28 B2 1008 952 0.00      
29 B2 994 938 0.30      
30 B2 441 416 1.26      

Unscaled Zero Point Vibrational Energy (zpe) 24064.8 cm-1
Scaled (by 0.9443) Zero Point Vibrational Energy (zpe) 22724.4 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 CCSD/6-31G*
ABC
0.30319 0.27841 0.15344

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.113
C2 0.000 0.000 1.457
H3 0.000 0.925 2.031
H4 0.000 -0.925 2.031
C5 0.000 1.291 -0.678
C6 0.000 -1.291 -0.678
H7 0.000 2.160 -0.014
H8 0.882 1.351 -1.329
H9 -0.882 1.351 -1.329
H10 0.000 -2.160 -0.014
H11 -0.882 -1.351 -1.329
H12 0.882 -1.351 -1.329

Atom - Atom Distances (Å)
  C1 C2 H3 H4 C5 C6 H7 H8 H9 H10 H11 H12
C11.34372.12952.12951.51431.51432.16412.16462.16462.16412.16462.1646
C21.34371.08881.08882.49522.49522.61353.22003.22002.61353.22003.2200
H32.12951.08881.84982.73443.50042.38953.50093.50093.70164.15384.1538
H42.12951.08881.84983.50042.73443.70164.15384.15382.38953.50093.5009
C51.51432.49522.73443.50042.58191.09421.09831.09833.51472.86052.8605
C61.51432.49523.50042.73442.58193.51472.86052.86051.09421.09831.0983
H72.16412.61352.38953.70161.09423.51471.77901.77904.32073.85213.8521
H82.16463.22003.50094.15381.09832.86051.77901.76493.85213.22722.7018
H92.16463.22003.50094.15381.09832.86051.77901.76493.85212.70183.2272
H102.16412.61353.70162.38953.51471.09424.32073.85213.85211.77901.7790
H112.16463.22004.15383.50092.86051.09833.85213.22722.70181.77901.7649
H122.16463.22004.15383.50092.86051.09833.85212.70183.22721.77901.7649

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 121.842 C1 C2 H4 121.842
C1 C5 H7 111.094 C1 C5 H8 110.881
C1 C5 H9 110.881 C1 C6 H10 111.094
C1 C6 H11 110.881 C1 C6 H12 110.881
C2 C1 C5 121.516 C2 C1 C6 121.516
H3 C2 H4 116.315 C5 C1 C6 116.968
H7 C5 H8 108.461 H7 C5 H9 108.461
H8 C5 H9 106.922 H10 C6 H11 108.461
H10 C6 H12 108.461 H11 C6 H12 106.922
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability