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 CH3CCl2CH3 (Propane, 2,2-dichloro-)

using model chemistry: B2PLYP/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 B2PLYP/cc-pVDZ
 hartrees
Energy at 0K-1037.917372
Energy at 298.15K 
HF Energy-1037.683601
Nuclear repulsion energy293.304423
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 B2PLYP/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 A1 3184 3050 6.54 77.55 0.73 0.85
2 A1 3076 2945 11.72 249.72 0.01 0.01
3 A1 1476 1414 2.62 17.42 0.75 0.86
4 A1 1413 1353 4.22 1.08 0.44 0.61
5 A1 1184 1134 38.80 1.30 0.42 0.59
6 A1 936 897 9.90 6.40 0.72 0.84
7 A1 563 539 17.30 13.74 0.04 0.07
8 A1 365 349 0.91 2.63 0.37 0.54
9 A1 256 245 1.14 4.42 0.65 0.79
10 A2 3159 3025 0.00 12.73 0.75 0.86
11 A2 1465 1403 0.00 21.05 0.75 0.86
12 A2 1021 978 0.00 1.12 0.75 0.86
13 A2 285 273 0.00 1.86 0.75 0.86
14 A2 273 262 0.00 0.02 0.75 0.86
15 B1 3165 3031 18.04 136.83 0.75 0.86
16 B1 1487 1424 5.04 0.00 0.75 0.86
17 B1 1136 1088 80.75 2.05 0.75 0.86
18 B1 659 631 95.80 11.72 0.75 0.86
19 B1 363 348 3.49 2.12 0.75 0.86
20 B1 308 295 0.00 0.02 0.75 0.86
21 B2 3183 3048 4.09 42.82 0.75 0.86
22 B2 3072 2942 4.58 0.86 0.75 0.86
23 B2 1461 1400 3.41 0.02 0.75 0.86
24 B2 1398 1339 11.81 2.28 0.75 0.86
25 B2 1228 1176 8.58 0.49 0.75 0.86
26 B2 954 913 0.00 1.25 0.75 0.86
27 B2 392 375 3.86 1.64 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 18729.8 cm-1
Scaled (by 0.9577) Zero Point Vibrational Energy (zpe) 17937.5 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 B2PLYP/cc-pVDZ
ABC
0.12117 0.08011 0.07043

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/cc-pVDZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.347
Cl2 1.475 0.000 -0.721
Cl3 -1.475 0.000 -0.721
C4 0.000 1.274 1.177
C5 0.000 -1.274 1.177
H6 0.000 2.159 0.529
H7 0.000 -2.159 0.529
H8 -0.897 1.295 1.813
H9 0.897 1.295 1.813
H10 0.897 -1.295 1.813
H11 -0.897 -1.295 1.813

Atom - Atom Distances (Å)
  C1 Cl2 Cl3 C4 C5 H6 H7 H8 H9 H10 H11
C11.82071.82071.52031.52032.16702.16702.15222.15222.15222.1522
Cl21.82072.94932.72002.72002.89802.89803.70452.90422.90423.7045
Cl31.82072.94932.72002.72002.89802.89802.90423.70453.70452.9042
C41.52032.72002.72002.54791.09723.49391.10001.10002.79462.7946
C51.52032.72002.72002.54793.49391.09722.79462.79461.10001.1000
H62.16702.89802.89801.09723.49394.31871.78931.78933.79323.7932
H72.16702.89802.89803.49391.09724.31873.79323.79321.78931.7893
H82.15223.70452.90421.10002.79461.78933.79321.79343.15062.5903
H92.15222.90423.70451.10002.79461.78933.79321.79342.59033.1506
H102.15222.90423.70452.79461.10003.79321.78933.15062.59031.7934
H112.15223.70452.90422.79461.10003.79321.78932.59033.15061.7934

picture of Propane, 2,2-dichloro- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C4 H6 110.723 C1 C4 H8 109.394
C1 C4 H9 109.394 C1 C5 H7 110.723
C1 C5 H10 109.394 C1 C5 H11 109.394
Cl2 C1 Cl3 108.176 Cl2 C1 C4 108.668
Cl2 C1 C5 108.668 Cl3 C1 C4 108.668
Cl3 C1 C5 108.668 C4 C1 C5 113.852
H6 C4 H8 109.047 H6 C4 H9 109.047
H7 C5 H10 109.047 H7 C5 H11 109.047
H8 C4 H9 109.213 H10 C5 H11 109.213
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.338      
2 Cl -0.064      
3 Cl -0.064      
4 C 0.084      
5 C 0.084      
6 H 0.056      
7 H 0.056      
8 H 0.047      
9 H 0.047      
10 H 0.047      
11 H 0.047      


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 2.311 2.311
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -47.085 0.000 0.000
y 0.000 -43.382 0.000
z 0.000 0.000 -43.807
Traceless
 xyz
x -3.490 0.000 0.000
y 0.000 2.064 0.000
z 0.000 0.000 1.426
Polar
3z2-r22.852
x2-y2-3.702
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 9.002 0.000 0.000
y 0.000 6.869 0.000
z 0.000 0.000 7.815


<r2> (average value of r2) Å2
<r2> 189.345
(<r2>)1/2 13.760