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

using model chemistry: B3LYP/cc-pVTZ

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/cc-pVTZ
 hartrees
Energy at 0K-157.289555
Energy at 298.15K-157.297304
Nuclear repulsion energy115.983635
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/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 A 3108 3004 0.00      
2 A 3086 2983 0.00      
3 A 3011 2910 0.00      
4 A 1741 1683 0.00      
5 A 1490 1440 0.00      
6 A 1417 1369 0.00      
7 A 1338 1293 0.00      
8 A 1168 1129 0.00      
9 A 874 845 0.00      
10 A 502 485 0.00      
11 A 3050 2948 47.76      
12 A 1480 1431 12.35      
13 A 1071 1035 1.25      
14 A 1001 967 34.18      
15 A 248 239 3.51      
16 A 178 172 0.98      
17 A 3050 2949 0.00      
18 A 1481 1431 0.00      
19 A 1074 1038 0.00      
20 A 763 737 0.00      
21 A 230 223 0.00      
22 A 3117 3013 73.00      
23 A 3085 2981 20.10      
24 A 3011 2910 70.10      
25 A 1498 1448 18.06      
26 A 1415 1368 3.58      
27 A 1335 1291 4.92      
28 A 1072 1036 3.12      
29 A 991 958 14.57      
30 A 279 270 1.19      

Unscaled Zero Point Vibrational Energy (zpe) 23581.0 cm-1
Scaled (by 0.9666) Zero Point Vibrational Energy (zpe) 22793.4 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 B3LYP/cc-pVTZ
ABC
1.17049 0.12437 0.11727

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

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.664 0.000
C2 0.000 -0.664 0.000
C3 -1.222 1.531 0.000
C4 1.222 -1.531 0.000
H5 0.955 1.185 0.000
H6 -0.955 -1.185 0.000
H7 -2.135 0.934 0.000
H8 2.135 -0.934 0.000
H9 -1.244 2.184 0.877
H10 -1.244 2.184 -0.877
H11 1.244 -2.184 0.877
H12 1.244 -2.184 -0.877

Atom - Atom Distances (Å)
  C1 C2 C3 C4 H5 H6 H7 H8 H9 H10 H11 H12
C11.32821.49832.51221.08772.08112.15202.66702.15072.15073.22923.2292
C21.32822.51221.49832.08111.08772.66702.15203.22923.22922.15072.1507
C31.49832.51223.91772.20422.72901.09054.16501.09351.09354.54424.5442
C42.51221.49833.91772.72902.20424.16501.09054.54424.54421.09351.0935
H51.08772.08112.20422.72903.04373.09992.42582.56902.56903.49333.4933
H62.08111.08772.72902.20423.04372.42583.09993.49333.49332.56902.5690
H72.15202.66701.09054.16503.09992.42584.66091.76781.76784.68064.6806
H82.66702.15204.16501.09052.42583.09994.66094.68064.68061.76781.7678
H92.15073.22921.09354.54422.56903.49331.76784.68061.75335.02685.3238
H102.15073.22921.09354.54422.56903.49331.76784.68061.75335.32385.0268
H113.22922.15074.54421.09353.49332.56904.68061.76785.02685.32381.7533
H123.22922.15074.54421.09353.49332.56904.68061.76785.32385.02681.7533

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 125.346 C1 C2 H6 118.616
C1 C3 H7 111.491 C1 C3 H9 111.202
C1 C3 H10 111.202 C2 C1 C3 125.346
C2 C1 H5 118.616 C2 C4 H8 111.491
C2 C4 H11 111.202 C2 C4 H12 111.202
C3 C1 H5 116.038 C4 C2 H6 116.038
H7 C3 H9 108.082 H7 C3 H10 108.082
H8 C4 H11 108.082 H8 C4 H12 108.082
H9 C3 H10 106.579 H11 C4 H12 106.579
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.110     -0.111
2 C -0.110     -0.109
3 C -0.273     -0.303
4 C -0.273     -0.293
5 H 0.101     0.123
6 H 0.101     0.124
7 H 0.091     0.090
8 H 0.091     0.086
9 H 0.095     0.099
10 H 0.095     0.099
11 H 0.095     0.097
12 H 0.095     0.097


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 -0.017 -0.014 0.000 0.022


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -26.208 0.075 0.000
y 0.075 -25.482 0.000
z 0.000 0.000 -28.176
Traceless
 xyz
x 0.621 0.075 0.000
y 0.075 1.710 0.000
z 0.000 0.000 -2.331
Polar
3z2-r2-4.663
x2-y2-0.726
xy0.075
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 10.041 -0.676 -0.002
y -0.676 7.012 0.004
z -0.002 0.004 5.449


<r2> (average value of r2) Å2
<r2> 111.801
(<r2>)1/2 10.574