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All results from a given calculation for CH3CHBrCH3 (i-propyl bromide)

using model chemistry: B97D3/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B97D3/3-21G
 hartrees
Energy at 0K-2680.937309
Energy at 298.15K-2680.947717
HF Energy-2680.937309
Nuclear repulsion energy 
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 B97D3/3-21G
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' 3102 3050 37.83      
2 A' 3076 3024 15.46      
3 A' 3060 3008 7.87      
4 A' 2993 2942 30.26      
5 A' 1542 1516 8.68      
6 A' 1528 1502 9.28      
7 A' 1442 1417 6.28      
8 A' 1260 1239 43.28      
9 A' 1188 1168 40.79      
10 A' 1064 1046 9.20      
11 A' 872 857 9.13      
12 A' 534 525 15.41      
13 A' 405 398 1.34      
14 A' 293 288 2.90      
15 A' 257 253 0.70      
16 A" 3090 3038 13.80      
17 A" 3061 3009 6.99      
18 A" 2987 2936 10.77      
19 A" 1520 1494 1.66      
20 A" 1514 1488 2.85      
21 A" 1426 1401 12.96      
22 A" 1358 1335 2.82      
23 A" 1124 1105 4.46      
24 A" 970 954 3.29      
25 A" 952 936 0.00      
26 A" 280 275 0.75      
27 A" 237 233 0.04      

Unscaled Zero Point Vibrational Energy (zpe) 20567.5 cm-1
Scaled (by 0.983) Zero Point Vibrational Energy (zpe) 20217.9 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 B97D3/3-21G
ABC
0.26533 0.09293 0.07379

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/3-21G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.467 -0.930 0.000
Br2 -0.067 1.029 0.000
H3 1.562 -0.898 0.000
C4 -0.067 -1.584 1.276
C5 -0.067 -1.584 -1.276
H6 -1.165 -1.546 1.290
H7 0.251 -2.640 1.297
H8 0.317 -1.079 2.171
H9 -1.165 -1.546 -1.290
H10 0.251 -2.640 -1.297
H11 0.317 -1.079 -2.171

Atom - Atom Distances (Å)
  C1 Br2 H3 C4 C5 H6 H7 H8 H9 H10 H11
C12.03071.09581.53001.53002.16972.15742.18172.16972.15742.1817
Br22.03072.52382.90832.90833.08263.90503.05093.08263.90503.0509
H31.09582.52382.18042.18043.08602.53712.50983.08602.53712.5098
C41.53002.90832.18042.55111.09871.10301.09772.79052.79943.5048
C51.53002.90832.18042.55112.79052.79943.50481.09871.10301.0977
H62.16973.08263.08601.09872.79051.78981.78662.57913.14583.7937
H72.15743.90502.53711.10302.79941.78981.78993.14582.59503.8043
H82.18173.05092.50981.09773.50481.78661.78993.79373.80434.3427
H92.16973.08263.08602.79051.09872.57913.14583.79371.78981.7866
H102.15743.90502.53712.79941.10303.14582.59503.80431.78981.7899
H112.18173.05092.50983.50481.09773.79373.80434.34271.78661.7899

picture of i-propyl bromide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C4 H6 110.264 C1 C4 H7 109.211
C1 C4 H8 111.103 C1 C5 H9 110.264
C1 C5 H10 109.211 C1 C5 H11 111.103
Br2 C1 H3 104.034 Br2 C1 C4 109.223
Br2 C1 C5 109.223 H3 C1 C4 110.658
H3 C1 C5 110.658 C4 C1 C5 112.673
H6 C4 H7 108.676 H6 C4 H8 108.785
H7 C4 H8 108.752 H9 C5 H10 108.676
H9 C5 H11 108.785 H10 C5 H11 108.752
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.444      
2 Br 0.007      
3 H 0.255      
4 C -0.547      
5 C -0.547      
6 H 0.216      
7 H 0.204      
8 H 0.218      
9 H 0.216      
10 H 0.204      
11 H 0.218      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.431 -2.143 0.000 2.186
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -37.868 -0.606 0.000
y -0.606 -36.922 0.000
z 0.000 0.000 -37.805
Traceless
 xyz
x -0.505 -0.606 0.000
y -0.606 0.914 0.000
z 0.000 0.000 -0.410
Polar
3z2-r2-0.819
x2-y2-0.946
xy-0.606
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.879 -0.558 0.000
y -0.558 8.668 0.000
z 0.000 0.000 5.590


<r2> (average value of r2) Å2
<r2> 160.342
(<r2>)1/2 12.663