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

using model chemistry: B3LYP/LANL2DZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2h 1Ag
Energy calculated at B3LYP/LANL2DZ
 hartrees
Energy at 0K-157.202973
Energy at 298.15K-157.210645
Nuclear repulsion energy114.805987
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 B3LYP/LANL2DZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A 3145 3023 0.00      
2 A 3125 3004 0.00      
3 A 3024 2907 0.00      
4 A 1739 1672 0.00      
5 A 1515 1456 0.00      
6 A 1440 1384 0.00      
7 A 1336 1284 0.00      
8 A 1179 1134 0.00      
9 A 881 847 0.00      
10 A 499 479 0.00      
11 A 3093 2973 78.86      
12 A 1507 1449 26.64      
13 A 1081 1039 0.12      
14 A 1010 971 65.03      
15 A 246 237 6.35      
16 A 162 156 1.49      
17 A 3092 2972 0.00      
18 A 1507 1449 0.00      
19 A 1086 1043 0.00      
20 A 770 740 0.00      
21 A 212 203 0.00      
22 A 3156 3034 109.64      
23 A 3123 3002 26.76      
24 A 3024 2906 83.76      
25 A 1521 1462 28.51      
26 A 1440 1384 17.84      
27 A 1338 1286 1.13      
28 A 1090 1048 1.67      
29 A 1005 966 23.50      
30 A 277 267 1.11      

Unscaled Zero Point Vibrational Energy (zpe) 23810.7 cm-1
Scaled (by 0.9612) Zero Point Vibrational Energy (zpe) 22886.8 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 B3LYP/LANL2DZ
ABC
1.14667 0.12166 0.11471

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/LANL2DZ

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.675 0.000
C2 0.000 -0.675 0.000
C3 -1.238 1.547 0.000
C4 1.238 -1.547 0.000
H5 0.958 1.201 0.000
H6 -0.958 -1.201 0.000
H7 -2.152 0.941 0.000
H8 2.152 -0.941 0.000
H9 -1.262 2.201 0.884
H10 -1.262 2.201 -0.884
H11 1.262 -2.201 0.884
H12 1.262 -2.201 -0.884

Atom - Atom Distances (Å)
  C1 C2 C3 C4 H5 H6 H7 H8 H9 H10 H11 H12
C11.35061.51382.54351.09312.10702.16882.69182.16842.16843.26303.2630
C21.35062.54351.51382.10701.09312.69182.16883.26303.26302.16842.1684
C31.51382.54353.96202.22302.76221.09694.20511.09991.09994.59094.5909
C42.54351.51383.96202.76222.22304.20511.09694.59094.59091.09991.0999
H51.09312.10702.22302.76223.07333.12152.45282.59042.59043.52843.5284
H62.10701.09312.76222.22303.07332.45283.12153.52843.52842.59042.5904
H72.16882.69181.09694.20513.12152.45284.69841.77791.77794.72374.7237
H82.69182.16884.20511.09692.45283.12154.69844.72374.72371.77791.7779
H92.16843.26301.09994.59092.59043.52841.77794.72371.76745.07455.3735
H102.16843.26301.09994.59092.59043.52841.77794.72371.76745.37355.0745
H113.26302.16844.59091.09993.52842.59044.72371.77795.07455.37351.7674
H123.26302.16844.59091.09993.52842.59044.72371.77795.37355.07451.7674

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 125.148 C1 C2 H6 118.762
C1 C3 H7 111.349 C1 C3 H9 111.134
C1 C3 H10 111.134 C2 C1 C3 125.148
C2 C1 H5 118.762 C2 C4 H8 111.349
C2 C4 H11 111.134 C2 C4 H12 111.134
C3 C1 H5 116.091 C4 C2 H6 116.091
H7 C3 H9 108.061 H7 C3 H10 108.061
H8 C4 H11 108.061 H8 C4 H12 108.061
H9 C3 H10 106.920 H11 C4 H12 106.920
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/LANL2DZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.142      
2 C -0.142      
3 C -0.676      
4 C -0.676      
5 H 0.204      
6 H 0.204      
7 H 0.205      
8 H 0.205      
9 H 0.205      
10 H 0.205      
11 H 0.205      
12 H 0.205      


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 0.000 0.000
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -25.099 -0.041 0.000
y -0.041 -24.357 0.000
z 0.000 0.000 -27.978
Traceless
 xyz
x 1.069 -0.041 0.000
y -0.041 2.181 0.000
z 0.000 0.000 -3.250
Polar
3z2-r2-6.500
x2-y2-0.742
xy-0.041
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.015 -1.025 0.000
y -1.025 8.601 0.000
z 0.000 0.000 4.423


<r2> (average value of r2) Å2
<r2> 113.320
(<r2>)1/2 10.645