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All results from a given calculation for CH3CHCHCH3 (2-Butene, (E)-)

using model chemistry: TPSSh/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2h 1Ag
Energy calculated at TPSSh/6-31G(2df,p)
 hartrees
Energy at 0K-157.252381
Energy at 298.15K-157.260106
HF Energy-157.252381
Nuclear repulsion energy115.657891
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 TPSSh/6-31G(2df,p)
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 Ag 3121 3012 0.00      
2 Ag 3102 2993 0.00      
3 Ag 3016 2910 0.00      
4 Ag 1743 1682 0.00      
5 Ag 1501 1449 0.00      
6 Ag 1417 1368 0.00      
7 Ag 1335 1288 0.00      
8 Ag 1169 1128 0.00      
9 Ag 871 841 0.00      
10 Ag 492 475 0.00      
11 Au 3064 2957 56.16      
12 Au 1492 1439 8.20      
13 Au 1071 1033 1.83      
14 Au 1018 982 21.28      
15 Au 243 234 2.82      
16 Au 186 179 0.96      
17 Bg 3064 2957 0.00      
18 Bg 1492 1440 0.00      
19 Bg 1061 1024 0.00      
20 Bg 751 725 0.00      
21 Bg 239 230 0.00      
22 Bu 3127 3017 87.04      
23 Bu 3101 2993 17.57      
24 Bu 3015 2909 78.12      
25 Bu 1510 1457 12.21      
26 Bu 1415 1366 2.77      
27 Bu 1326 1279 7.75      
28 Bu 1078 1040 2.57      
29 Bu 981 947 13.23      
30 Bu 271 262 1.07      

Unscaled Zero Point Vibrational Energy (zpe) 23634.1 cm-1
Scaled (by 0.965) Zero Point Vibrational Energy (zpe) 22806.9 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 TPSSh/6-31G(2df,p)
ABC
1.16017 0.12385 0.11674

See section I.F.4 to change rotational constant units
Geometric Data calculated at TPSSh/6-31G(2df,p)

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.325 0.583 0.000
C2 -0.325 -0.583 0.000
C3 -0.325 1.938 0.000
C4 0.325 -1.938 0.000
H5 1.416 0.579 0.000
H6 -1.416 -0.579 0.000
H7 -1.416 1.855 0.000
H8 1.416 -1.855 0.000
H9 -0.026 2.521 0.880
H10 -0.026 2.521 -0.880
H11 0.026 -2.521 0.880
H12 0.026 -2.521 -0.880

Atom - Atom Distances (Å)
  C1 C2 C3 C4 H5 H6 H7 H8 H9 H10 H11 H12
C11.33461.50342.52081.09102.09362.15692.67102.15742.15743.23973.2397
C21.33462.52081.50342.09361.09102.67102.15693.23973.23972.15742.1574
C31.50342.52083.93042.20872.74381.09434.17401.09731.09734.55844.5584
C42.52081.50343.93042.74382.20874.17401.09434.55844.55841.09731.0973
H51.09102.09362.20872.74383.06033.10662.43472.57382.57383.50973.5097
H62.09361.09102.74382.20873.06032.43473.10663.50973.50972.57382.5738
H72.15692.67101.09434.17403.10662.43474.66821.77491.77494.69104.6910
H82.67102.15694.17401.09432.43473.10664.66824.69104.69101.77491.7749
H92.15743.23971.09734.55842.57383.50971.77494.69101.76095.04165.3403
H102.15743.23971.09734.55842.57383.50971.77494.69101.76095.34035.0416
H113.23972.15744.55841.09733.50972.57384.69101.77495.04165.34031.7609
H123.23972.15744.55841.09733.50972.57384.69101.77495.34035.04161.7609

picture of 2-Butene, (E)- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C4 125.202 C1 C2 H6 118.993
C1 C3 H7 111.292 C1 C3 H9 111.151
C1 C3 H10 111.151 C2 C1 C3 125.202
C2 C1 H5 118.993 C2 C4 H8 111.292
C2 C4 H11 111.151 C2 C4 H12 111.151
C3 C1 H5 115.805 C4 C2 H6 115.805
H7 C3 H9 108.169 H7 C3 H10 108.169
H8 C4 H11 108.169 H8 C4 H12 108.169
H9 C3 H10 106.726 H11 C4 H12 106.726
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability