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

using model chemistry: QCISD/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 QCISD/cc-pVTZ
 hartrees
Energy at 0K-156.897948
Energy at 298.15K-156.905844
HF Energy-156.168511
Nuclear repulsion energy119.821610
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/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 3162 3021 7.36      
2 A1 3138 2998 21.44      
3 A1 3043 2908 32.33      
4 A1 1743 1665 15.32      
5 A1 1521 1454 11.99      
6 A1 1465 1400 0.27      
7 A1 1428 1364 0.05      
8 A1 1095 1046 2.54      
9 A1 828 791 0.14      
10 A1 374 358 0.19      
11 A2 3094 2957 0.00      
12 A2 1493 1426 0.00      
13 A2 1032 986 0.00      
14 A2 715 683 0.00      
15 A2 163 155 0.00      
16 B1 3097 2959 42.30      
17 B1 1509 1442 14.44      
18 B1 1119 1069 0.16      
19 B1 930 889 42.73      
20 B1 435 416 6.48      
21 B1 209 199 0.33      
22 B2 3245 3100 16.25      
23 B2 3136 2996 22.22      
24 B2 3039 2904 18.60      
25 B2 1505 1438 3.26      
26 B2 1434 1370 8.80      
27 B2 1321 1263 1.78      
28 B2 999 955 0.22      
29 B2 975 932 0.04      
30 B2 434 414 1.60      

Unscaled Zero Point Vibrational Energy (zpe) 23839.8 cm-1
Scaled (by 0.9555) Zero Point Vibrational Energy (zpe) 22778.9 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 QCISD/cc-pVTZ
ABC
0.30599 0.28040 0.15465

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.112
C2 0.000 0.000 1.448
H3 0.000 0.922 2.014
H4 0.000 -0.922 2.014
C5 0.000 1.288 -0.674
C6 0.000 -1.288 -0.674
H7 0.000 2.148 -0.009
H8 0.878 1.346 -1.321
H9 -0.878 1.346 -1.321
H10 0.000 -2.148 -0.009
H11 -0.878 -1.346 -1.321
H12 0.878 -1.346 -1.321

Atom - Atom Distances (Å)
  C1 C2 H3 H4 C5 C6 H7 H8 H9 H10 H11 H12
C11.33662.11432.11431.50871.50872.15182.15272.15272.15182.15272.1527
C21.33661.08221.08222.48262.48262.59593.20163.20162.59593.20163.2016
H32.11431.08221.84492.71313.48032.36533.47463.47463.67724.12774.1277
H42.11431.08221.84493.48032.71313.67724.12774.12772.36533.47463.4746
C51.50872.48262.71313.48032.57571.08791.09201.09203.50012.85032.8503
C61.50872.48263.48032.71312.57573.50012.85032.85031.08791.09201.0920
H72.15182.59592.36533.67721.08793.50011.77121.77124.29683.83433.8343
H82.15273.20163.47464.12771.09202.85031.77121.75603.83433.21362.6913
H92.15273.20163.47464.12771.09202.85031.77121.75603.83432.69133.2136
H102.15182.59593.67722.36533.50011.08794.29683.83433.83431.77121.7712
H112.15273.20164.12773.47462.85031.09203.83433.21362.69131.77121.7560
H122.15273.20164.12773.47462.85031.09203.83432.69133.21361.77121.7560

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 121.526 C1 C2 H4 121.526
C1 C5 H7 110.891 C1 C5 H8 110.714
C1 C5 H9 110.714 C1 C6 H10 110.891
C1 C6 H11 110.714 C1 C6 H12 110.714
C2 C1 C5 121.393 C2 C1 C6 121.393
H3 C2 H4 116.949 C5 C1 C6 117.213
H7 C5 H8 108.686 H7 C5 H9 108.686
H8 C5 H9 107.035 H10 C6 H11 108.686
H10 C6 H12 108.686 H11 C6 H12 107.035
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability