return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

All results from a given calculation for CH2CHCH2CH3 (1-Butene)

using model chemistry: B3LYP/TZVP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at B3LYP/TZVP
 hartrees
Energy at 0K-157.281009
Energy at 298.15K-157.288978
HF Energy-157.281009
Nuclear repulsion energy117.125345
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/TZVP
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 3212 3101 17.97      
2 A 3132 3023 4.91      
3 A 3117 3009 31.67      
4 A 3098 2991 34.44      
5 A 3092 2985 36.71      
6 A 3054 2948 8.48      
7 A 3029 2924 31.42      
8 A 3010 2906 25.92      
9 A 1708 1649 13.28      
10 A 1510 1458 6.66      
11 A 1501 1449 6.99      
12 A 1487 1436 4.21      
13 A 1461 1410 2.03      
14 A 1415 1366 2.31      
15 A 1350 1304 2.29      
16 A 1326 1280 0.97      
17 A 1295 1250 0.12      
18 A 1202 1161 0.29      
19 A 1097 1059 4.46      
20 A 1034 998 10.95      
21 A 1020 985 3.03      
22 A 994 959 2.28      
23 A 949 916 49.85      
24 A 858 828 2.03      
25 A 801 773 3.18      
26 A 655 632 11.46      
27 A 436 421 0.76      
28 A 318 307 0.58      
29 A 232 224 0.03      
30 A 108 104 0.10      

Unscaled Zero Point Vibrational Energy (zpe) 23749.4 cm-1
Scaled (by 0.9654) Zero Point Vibrational Energy (zpe) 22927.7 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/TZVP
ABC
0.76156 0.13797 0.13477

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.727 -0.245 -0.293
C2 0.538 0.519 0.307
C3 -0.722 -0.296 0.336
C4 -1.858 0.018 -0.278
H5 -0.671 -1.222 0.906
H6 1.531 -0.520 -1.331
H7 2.635 0.362 -0.268
H8 1.926 -1.165 0.263
H9 0.792 0.819 1.330
H10 0.364 1.440 -0.256
H11 -1.957 0.929 -0.860
H12 -2.732 -0.619 -0.221

Atom - Atom Distances (Å)
  C1 C2 C3 C4 H5 H6 H7 H8 H9 H10 H11 H12
C11.53512.52903.59422.85381.09191.09221.09292.15412.16763.90744.4749
C21.53511.50122.51632.20312.17882.17962.18251.09631.09352.78443.5022
C32.52901.50121.32811.08882.81113.47362.78802.12742.13222.11022.1099
C43.59422.51631.32812.08483.58874.50544.00103.20112.63831.08521.0834
H52.85382.20311.08882.08483.21653.84932.67652.54723.08423.06522.4242
H61.09192.17882.81113.58873.21651.76841.76453.06932.52173.80544.4056
H71.09222.17963.47364.50543.84931.76841.76472.48162.51354.66395.4555
H81.09292.18252.78804.00102.67651.76451.76472.52193.08134.55184.7145
H92.15411.09632.12743.20112.54723.06932.48162.52191.75633.51624.1098
H102.16761.09352.13222.63833.08422.52172.51353.08131.75632.45243.7188
H113.90742.78442.11021.08523.06523.80544.66394.55183.51622.45241.8454
H124.47493.50222.10991.08342.42424.40565.45554.71454.10983.71881.8454

picture of 1-Butene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 112.792 C1 C2 H9 108.751
C1 C2 H10 109.962 C2 C1 H6 110.942
C2 C1 H7 110.991 C2 C1 H8 111.178
C2 C3 C4 125.477 C2 C3 H5 115.638
C3 C2 H9 108.976 C3 C2 H10 109.513
C3 C4 H11 121.621 C3 C4 H12 121.747
C4 C3 H5 118.882 H6 C1 H7 108.127
H6 C1 H8 107.730 H7 C1 H8 107.727
H9 C2 H10 106.652 H11 C4 H12 116.632
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.343      
2 C -0.217      
3 C -0.085      
4 C -0.268      
5 H 0.119      
6 H 0.114      
7 H 0.120      
8 H 0.111      
9 H 0.119      
10 H 0.113      
11 H 0.110      
12 H 0.109      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.383 0.047 0.103 0.400
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -27.001 0.546 0.830
y 0.546 -26.721 -1.286
z 0.830 -1.286 -27.719
Traceless
 xyz
x 0.219 0.546 0.830
y 0.546 0.639 -1.286
z 0.830 -1.286 -0.858
Polar
3z2-r2-1.716
x2-y2-0.280
xy0.546
xz0.830
yz-1.286


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 9.350 -0.160 0.847
y -0.160 6.429 -0.409
z 0.847 -0.409 6.245


<r2> (average value of r2) Å2
<r2> 103.237
(<r2>)1/2 10.161