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 CH2ClCH2CH3 (Propane, 1-chloro-)

using model chemistry: CISD/6-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes anti 1A'
1 2 no gauche 1A

Conformer 1 (anti)

Jump to S1C2
Energy calculated at CISD/6-31G
 hartrees
Energy at 0K-577.419359
Energy at 298.15K-577.427055
Nuclear repulsion energy155.220429
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 CISD/6-31G
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' 3170 2973 25.92      
2 A' 3164 2967 24.68      
3 A' 3106 2913 10.88      
4 A' 3083 2891 25.79      
5 A' 1595 1496 7.98      
6 A' 1582 1483 2.47      
7 A' 1570 1473 2.45      
8 A' 1508 1414 5.56      
9 A' 1453 1363 7.18      
10 A' 1354 1270 32.10      
11 A' 1176 1102 1.28      
12 A' 1076 1009 3.69      
13 A' 944 885 10.16      
14 A' 708 664 44.90      
15 A' 361 338 5.05      
16 A' 238 223 2.91      
17 A" 3240 3038 14.54      
18 A" 3161 2964 47.32      
19 A" 3138 2942 0.29      
20 A" 1585 1486 8.78      
21 A" 1384 1298 0.05      
22 A" 1320 1238 0.22      
23 A" 1140 1069 1.11      
24 A" 919 862 0.10      
25 A" 789 740 3.56      
26 A" 239 224 0.03      
27 A" 117 110 2.12      

Unscaled Zero Point Vibrational Energy (zpe) 21559.3 cm-1
Scaled (by 0.9378) Zero Point Vibrational Energy (zpe) 20218.3 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 CISD/6-31G
ABC
0.84659 0.07524 0.07191

See section I.F.4 to change rotational constant units
Geometric Data calculated at CISD/6-31G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.607 0.000
C2 0.966 -0.575 0.000
C3 2.433 -0.089 0.000
Cl4 -1.797 0.012 0.000
H5 0.094 1.223 0.894
H6 0.094 1.223 -0.894
H7 0.777 -1.199 -0.881
H8 0.777 -1.199 0.881
H9 3.119 -0.943 0.000
H10 2.649 0.517 -0.888
H11 2.649 0.517 0.888

Atom - Atom Distances (Å)
  C1 C2 C3 Cl4 H5 H6 H7 H8 H9 H10 H11
C11.52702.53061.89321.08961.08962.15492.15493.48302.79492.7949
C21.52701.54472.82542.18962.18961.09621.09622.18372.19352.1935
C32.53061.54474.23132.82712.82712.17902.17901.09541.09691.0969
Cl41.89322.82544.23132.41712.41712.97872.97875.00814.56174.5617
H51.08962.18962.82712.41711.78783.07992.51693.82673.19372.6504
H61.08962.18962.82712.41711.78782.51693.07993.82672.65043.1937
H72.15491.09622.17902.97873.07992.51691.76242.51482.53923.0947
H82.15491.09622.17902.97872.51693.07991.76242.51483.09472.5392
H93.48302.18371.09545.00813.82673.82672.51482.51481.77301.7730
H102.79492.19351.09694.56173.19372.65042.53923.09471.77301.7758
H112.79492.19351.09694.56172.65043.19373.09472.53921.77301.7758

picture of Propane, 1-chloro- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 110.938 C1 C2 H7 109.367
C1 C2 H8 109.367 C2 C1 Cl4 110.944
C2 C1 H5 112.530 C2 C1 H6 112.530
C2 C3 H9 110.451 C2 C3 H10 111.140
C2 C3 H11 111.140 C3 C2 H7 110.039
C3 C2 H8 110.039 Cl4 C1 H5 105.039
Cl4 C1 H6 105.039 H5 C1 H6 110.242
H7 C2 H8 107.004 H9 C3 H10 107.947
H9 C3 H11 107.947 H10 C3 H11 108.088
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (gauche)

Jump to S1C1
Energy calculated at CISD/6-31G
 hartrees
Energy at 0K-577.419039
Energy at 298.15K-577.426851
Nuclear repulsion energy159.101871
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 CISD/6-31G
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 3241 3040 11.15      
2 A 3179 2981 27.21      
3 A 3171 2974 20.45      
4 A 3159 2962 38.04      
5 A 3127 2933 6.20      
6 A 3089 2897 20.23      
7 A 3070 2879 24.19      
8 A 1592 1493 7.97      
9 A 1584 1486 6.80      
10 A 1570 1472 3.77      
11 A 1565 1467 5.14      
12 A 1510 1416 6.34      
13 A 1463 1372 2.12      
14 A 1401 1314 36.76      
15 A 1347 1264 6.48      
16 A 1295 1214 0.21      
17 A 1164 1092 0.30      
18 A 1133 1063 0.92      
19 A 1105 1036 3.24      
20 A 945 886 5.39      
21 A 893 837 6.97      
22 A 833 781 15.00      
23 A 621 582 30.74      
24 A 433 406 2.44      
25 A 299 280 1.01      
26 A 221 207 1.32      
27 A 133 125 1.30      

Unscaled Zero Point Vibrational Energy (zpe) 21570.6 cm-1
Scaled (by 0.9378) Zero Point Vibrational Energy (zpe) 20228.9 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 CISD/6-31G
ABC
0.38345 0.10426 0.08991

See section I.F.4 to change rotational constant units
Geometric Data calculated at CISD/6-31G

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.135 0.919 0.316
C2 -1.179 0.554 -0.371
C3 -1.826 -0.743 0.150
Cl4 1.499 -0.343 -0.066
H5 0.537 1.868 -0.033
H6 0.052 0.918 1.403
H7 -1.865 1.399 -0.206
H8 -1.015 0.485 -1.453
H9 -2.782 -0.923 -0.354
H10 -1.177 -1.606 -0.030
H11 -2.018 -0.678 1.229

Atom - Atom Distances (Å)
  C1 C2 C3 Cl4 H5 H6 H7 H8 H9 H10 H11
C11.52742.57621.89761.08891.08992.12182.15453.51462.86602.8318
C21.52741.54042.84112.18862.19011.10071.09662.17972.18622.1865
C32.57621.54043.35643.52732.80322.17222.17681.09561.09451.0973
Cl41.89762.84113.35642.41212.41773.79092.98884.33012.95903.7631
H51.08892.18863.52732.41211.78922.45362.51804.34943.87403.8222
H61.08992.19012.80322.41771.78922.54843.07973.80933.15182.6201
H72.12181.10072.17223.79092.45362.54841.76382.50143.08752.5295
H82.15451.09662.17682.98882.51803.07971.76382.51302.53463.0907
H93.51462.17971.09564.33014.34943.80932.50142.51301.77431.7743
H102.86602.18621.09452.95903.87403.15183.08752.53461.77431.7754
H112.83182.18651.09733.76313.82222.62012.52953.09071.77431.7754

picture of Propane, 1-chloro- state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 114.229 C1 C2 H7 106.542
C1 C2 H8 109.288 C2 C1 Cl4 111.641
C2 C1 H5 112.464 C2 C1 H6 112.525
C2 C3 H9 110.429 C2 C3 H10 111.006
C2 C3 H11 110.867 C3 C2 H7 109.542
C3 C2 H8 110.141 Cl4 C1 H5 104.452
Cl4 C1 H6 104.799 H5 C1 H6 110.405
H7 C2 H8 106.783 H9 C3 H10 108.215
H9 C3 H11 108.017 H10 C3 H11 108.201
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability