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All results from a given calculation for C5H10 (2-Butene, 2-methyl-)

using model chemistry: B97D3/aug-cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B97D3/aug-cc-pVTZ
 hartrees
Energy at 0K-196.489113
Energy at 298.15K-196.498782
HF Energy-196.489113
Nuclear repulsion energy174.235621
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 B97D3/aug-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' 3074 3027 51.46      
2 A' 3068 3021 36.07      
3 A' 3053 3007 11.31      
4 A' 3051 3004 10.30      
5 A' 2962 2917 13.21      
6 A' 2960 2915 96.55      
7 A' 2953 2907 34.43      
8 A' 1694 1668 1.63      
9 A' 1468 1446 9.94      
10 A' 1465 1443 2.12      
11 A' 1450 1428 1.50      
12 A' 1389 1368 0.66      
13 A' 1383 1362 1.45      
14 A' 1376 1355 6.45      
15 A' 1346 1325 3.28      
16 A' 1208 1190 5.17      
17 A' 1106 1089 11.67      
18 A' 1046 1030 4.22      
19 A' 947 932 2.44      
20 A' 940 925 2.20      
21 A' 758 747 1.52      
22 A' 517 509 1.75      
23 A' 378 373 0.42      
24 A' 289 285 0.24      
25 A" 2999 2953 30.80      
26 A" 2998 2953 25.98      
27 A" 2994 2949 22.18      
28 A" 1461 1438 15.58      
29 A" 1452 1430 2.47      
30 A" 1441 1419 0.64      
31 A" 1078 1061 0.16      
32 A" 1037 1021 1.36      
33 A" 994 979 2.59      
34 A" 805 793 12.48      
35 A" 441 434 3.21      
36 A" 255 251 1.84      
37 A" 176 174 1.20      
38 A" 128 126 0.10      
39 A" 104 103 0.68      

Unscaled Zero Point Vibrational Energy (zpe) 29123.8 cm-1
Scaled (by 0.9847) Zero Point Vibrational Energy (zpe) 28678.2 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 B97D3/aug-cc-pVTZ
ABC
0.26871 0.11698 0.08536

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/aug-cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.505 0.488 0.000
H2 -1.964 -0.502 0.000
H3 -1.875 1.033 0.879
H4 -1.875 1.033 -0.879
C5 0.272 -2.094 0.000
H6 0.654 -2.630 -0.879
H7 0.654 -2.630 0.879
H8 -0.816 -2.190 0.000
C9 0.739 -0.669 0.000
H10 1.823 -0.545 0.000
C11 0.000 0.451 0.000
C12 0.654 1.809 0.000
H13 1.745 1.736 0.000
H14 0.348 2.392 0.880
H15 0.348 2.392 -0.880

Atom - Atom Distances (Å)
  C1 H2 H3 H4 C5 H6 H7 H8 C9 H10 C11 C12 H13 H14 H15
C11.09121.09831.09833.13433.89273.89272.76492.52493.48501.50542.53053.48092.79822.7982
H21.09121.77091.77092.74473.48613.48612.04102.70843.78762.18283.49154.33143.80663.8066
H31.09831.77091.75813.89324.78524.45053.50393.24064.11562.15082.78693.79032.60493.1430
H41.09831.77091.75813.89324.45054.78523.50393.24064.11562.15082.78693.79033.14302.6049
C53.13432.74473.89323.89321.09811.09811.09231.49982.19252.55933.92154.10334.57174.5717
H63.89273.48614.78524.45051.09811.75831.76862.15052.54693.26954.52474.58475.32915.0305
H73.89273.48614.45054.78521.09811.75831.76862.15052.54693.26954.52474.58475.03055.3291
H82.76492.04103.50393.50391.09231.76861.76862.17553.11022.76384.26014.68704.80804.8080
C92.52492.70843.24063.24061.49982.15052.15052.17551.09121.34182.47922.60643.20843.2084
H103.48503.78764.11564.11562.19252.54692.54693.11021.09122.07772.62852.28223.40223.4022
C111.50542.18282.15082.15082.55933.26953.26952.76381.34182.07771.50712.16682.15902.1590
C122.53053.49152.78692.78693.92154.52474.52474.26012.47922.62851.50711.09361.09861.0986
H133.48094.33143.79033.79034.10334.58474.58474.68702.60642.28222.16681.09361.77631.7763
H142.79823.80662.60493.14304.57175.32915.03054.80803.20843.40222.15901.09861.77631.7592
H152.79823.80663.14302.60494.57175.03055.32914.80803.20843.40222.15901.09861.77631.7592

picture of 2-Butene, 2-methyl- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C11 C9 124.854 C1 C11 C12 114.282
H2 C1 H3 107.963 H2 C1 H4 107.963
H2 C1 C11 113.457 H3 C1 H4 106.336
H3 C1 C11 110.415 H4 C1 C11 110.415
C5 C9 H10 114.681 C5 C9 C11 128.403
H6 C5 H7 106.382 H6 C5 H8 107.693
H6 C5 C9 110.793 H7 C5 H8 107.693
H7 C5 C9 110.793 H8 C5 C9 113.185
C9 C11 C12 120.864 H10 C9 C11 116.916
C11 C12 H13 111.871 C11 C12 H14 110.934
C11 C12 H15 110.934 H13 C12 H14 108.250
H13 C12 H15 108.250 H14 C12 H15 106.392
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.653      
2 H 0.187      
3 H 0.122      
4 H 0.122      
5 C -0.470      
6 H 0.123      
7 H 0.123      
8 H 0.228      
9 C -0.585      
10 H -0.050      
11 C 1.079      
12 C -0.649      
13 H 0.139      
14 H 0.141      
15 H 0.141      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.206 0.039 0.000 0.209
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -32.922 -0.321 0.000
y -0.321 -32.730 0.000
z 0.000 0.000 -34.551
Traceless
 xyz
x 0.719 -0.321 0.000
y -0.321 1.007 0.000
z 0.000 0.000 -1.725
Polar
3z2-r2-3.451
x2-y2-0.192
xy-0.321
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 10.128 -0.928 0.000
y -0.928 12.606 0.000
z 0.000 0.000 7.765


<r2> (average value of r2) Å2
<r2> 151.427
(<r2>)1/2 12.306