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All results from a given calculation for CH3CH2CH2Br (n-propyl bromide)

using model chemistry: PBEPBE/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at PBEPBE/3-21G
 hartrees
Energy at 0K-2679.111115
Energy at 298.15K-2679.121496
HF Energy-2679.111115
Nuclear repulsion energy232.521824
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 PBEPBE/3-21G
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' 3060 3032 24.20      
2 A' 3040 3012 14.41      
3 A' 3004 2977 7.30      
4 A' 2982 2954 18.52      
5 A' 1523 1510 9.26      
6 A' 1507 1493 3.69      
7 A' 1482 1468 3.18      
8 A' 1412 1400 9.73      
9 A' 1336 1324 4.96      
10 A' 1250 1239 32.48      
11 A' 1103 1093 4.81      
12 A' 1004 995 4.74      
13 A' 897 888 15.11      
14 A' 656 650 20.90      
15 A' 305 302 1.60      
16 A' 206 204 1.57      
17 A" 3109 3080 15.53      
18 A" 3061 3034 25.51      
19 A" 3035 3008 0.56      
20 A" 1518 1504 11.38      
21 A" 1321 1309 0.01      
22 A" 1240 1228 0.04      
23 A" 1056 1047 3.10      
24 A" 850 843 0.11      
25 A" 748 741 9.05      
26 A" 239 237 0.07      
27 A" 115 114 0.55      

Unscaled Zero Point Vibrational Energy (zpe) 20528.9 cm-1
Scaled (by 0.9909) Zero Point Vibrational Energy (zpe) 20342.1 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 PBEPBE/3-21G
ABC
0.82529 0.05292 0.05120

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/3-21G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.861 0.000
C2 1.520 0.698 0.000
C3 2.199 2.090 0.000
Br4 -0.925 -0.921 0.000
H5 -0.355 1.383 0.901
H6 -0.355 1.383 -0.901
H7 1.827 0.124 0.892
H8 1.827 0.124 -0.892
H9 3.297 1.984 0.000
H10 1.907 2.668 -0.895
H11 1.907 2.668 0.895

Atom - Atom Distances (Å)
  C1 C2 C3 Br4 H5 H6 H7 H8 H9 H10 H11
C11.52872.51892.00741.10011.10012.16252.16253.48372.77552.7755
C21.52871.54832.93242.18992.18991.10451.10452.19402.19772.1977
C32.51891.54834.33832.79862.79862.19092.19091.10391.10481.1048
Br42.00742.93244.33832.53842.53843.07543.07545.12524.65814.6581
H51.10012.18992.79862.53841.80212.51903.09193.80963.16142.6013
H61.10012.18992.79862.53841.80213.09192.51903.80962.60133.1614
H72.16251.10452.19093.07542.51903.09191.78392.53393.11012.5452
H82.16251.10452.19093.07543.09192.51901.78392.53392.54523.1101
H93.48372.19401.10395.12523.80963.80962.53392.53391.78941.7894
H102.77552.19771.10484.65813.16142.60133.11012.54521.78941.7910
H112.77552.19771.10484.65812.60133.16142.54523.11011.78941.7910

picture of n-propyl bromide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 109.894 C1 C2 H7 109.361
C1 C2 H8 109.361 C2 C1 Br4 111.328
C2 C1 H5 111.787 C2 C1 H6 111.787
C2 C3 H9 110.515 C2 C3 H10 110.750
C2 C3 H11 110.750 C3 C2 H7 110.234
C3 C2 H8 110.234 Br4 C1 H5 105.814
Br4 C1 H6 105.814 H5 C1 H6 109.982
H7 C2 H8 107.717 H9 C3 H10 108.220
H9 C3 H11 108.220 H10 C3 H11 108.293
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.616      
2 C -0.410      
3 C -0.597      
4 Br 0.029      
5 H 0.257      
6 H 0.257      
7 H 0.226      
8 H 0.226      
9 H 0.215      
10 H 0.207      
11 H 0.207      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.212 1.758 0.000 2.135
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -38.263 0.169 0.000
y 0.169 -37.542 0.000
z 0.000 0.000 -38.355
Traceless
 xyz
x -0.315 0.169 0.000
y 0.169 0.767 0.000
z 0.000 0.000 -0.453
Polar
3z2-r2-0.905
x2-y2-0.721
xy0.169
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.750 2.078 0.000
y 2.078 7.624 0.000
z 0.000 0.000 4.777


<r2> (average value of r2) Å2
<r2> 211.743
(<r2>)1/2 14.551