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

using model chemistry: BLYP/cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at BLYP/cc-pVDZ
 hartrees
Energy at 0K-157.121451
Energy at 298.15K-157.129064
Nuclear repulsion energy116.155422
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 BLYP/cc-pVDZ
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 3061 3066 64.67      
2 A 3035 3040 9.38      
3 A 2937 2941 13.95      
4 A 1677 1679 4.36      
5 A 1424 1426 3.20      
6 A 1359 1361 1.02      
7 A 1250 1252 0.03      
8 A 985 987 0.87      
9 A 846 847 0.28      
10 A 273 273 0.01      
11 A 2974 2979 0.00      
12 A 1411 1413 0.00      
13 A 1013 1014 0.00      
14 A 969 971 0.00      
15 A 385 386 0.00      
16 A 147 147 0.00      
17 A 2974 2979 50.90      
18 A 1415 1418 8.65      
19 A 1023 1025 0.88      
20 A 677 678 26.61      
21 A 131 131 1.05      
22 A 3040 3045 22.68      
23 A 3022 3026 2.49      
24 A 2934 2939 53.12      
25 A 1422 1424 0.76      
26 A 1383 1385 10.61      
27 A 1335 1337 4.82      
28 A 1117 1119 0.32      
29 A 955 956 17.29      
30 A 555 556 6.71      

Unscaled Zero Point Vibrational Energy (zpe) 22862.6 cm-1
Scaled (by 1.0016) Zero Point Vibrational Energy (zpe) 22899.1 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 BLYP/cc-pVDZ
ABC
0.53549 0.16550 0.13277

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.676 0.668
C2 0.000 -0.676 0.668
C3 0.000 1.604 -0.525
C4 0.000 -1.604 -0.525
H5 0.000 1.180 1.651
H6 0.000 -1.180 1.651
H7 0.000 1.069 -1.494
H8 0.000 -1.069 -1.494
H9 -0.889 2.273 -0.507
H10 0.889 2.273 -0.507
H11 0.889 -2.273 -0.507
H12 -0.889 -2.273 -0.507

Atom - Atom Distances (Å)
  C1 C2 C3 C4 H5 H6 H7 H8 H9 H10 H11 H12
C11.35171.51162.57341.10442.09992.19702.77782.17322.17323.29673.2967
C21.35172.57341.51162.09991.10442.77782.19703.29673.29672.17322.1732
C31.51162.57343.20862.21653.53341.10692.84311.11251.11253.97803.9780
C42.57341.51163.20863.53342.21652.84311.10693.97803.97801.11251.1125
H51.10442.09992.21653.53342.36003.14623.86562.57722.57724.16794.1679
H62.09991.10443.53342.21652.36003.86563.14624.16794.16792.57722.5772
H72.19702.77781.10692.84313.14623.86562.13751.79251.79253.59593.5959
H82.77782.19702.84311.10693.86563.14622.13753.59593.59591.79251.7925
H92.17323.29671.11253.97802.57724.16791.79253.59591.77754.88154.5463
H102.17323.29671.11253.97802.57724.16791.79253.59591.77754.54634.8815
H113.29672.17323.97801.11254.16792.57723.59591.79254.88154.54631.7775
H123.29672.17323.97801.11254.16792.57723.59591.79254.54634.88151.7775

picture of 2-Butene, (Z)- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C4 127.893 C1 C2 H6 117.161
C1 C3 H7 113.170 C1 C3 H9 110.908
C1 C3 H10 110.908 C2 C1 C3 127.893
C2 C1 H5 117.161 C2 C4 H8 113.170
C2 C4 H11 110.908 C2 C4 H12 110.908
C3 C1 H5 114.946 C4 C2 H6 114.946
H7 C3 H9 107.738 H7 C3 H10 107.738
H8 C4 H11 107.738 H8 C4 H12 107.738
H9 C3 H10 106.053 H11 C4 H12 106.053
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.053      
2 C -0.053      
3 C 0.052      
4 C 0.052      
5 H -0.042      
6 H -0.042      
7 H 0.005      
8 H 0.005      
9 H 0.019      
10 H 0.019      
11 H 0.019      
12 H 0.019      


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 -0.244 0.244
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -27.932 0.000 0.000
y 0.000 -25.247 0.000
z 0.000 0.000 -26.435
Traceless
 xyz
x -2.091 0.000 0.000
y 0.000 1.937 0.000
z 0.000 0.000 0.154
Polar
3z2-r20.308
x2-y2-2.685
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.752 0.000 0.000
y 0.000 9.678 0.000
z 0.000 0.000 6.683


<r2> (average value of r2) Å2
<r2> 0.000
(<r2>)1/2 0.000