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All results from a given calculation for C5H7N (Cyclobutanecarbonitrile)

using model chemistry: MP2=FULL/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP2=FULL/6-31G(2df,p)
 hartrees
Energy at 0K-248.874356
Energy at 298.15K-248.882405
Nuclear repulsion energy211.850665
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 MP2=FULL/6-31G(2df,p)
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' 3230 3036 19.00      
2 A' 3213 3020 5.10      
3 A' 3153 2964 2.14      
4 A' 3149 2959 14.61      
5 A' 3147 2958 4.06      
6 A' 2228 2094 0.33      
7 A' 1544 1451 1.10      
8 A' 1519 1428 4.59      
9 A' 1382 1299 2.60      
10 A' 1295 1217 1.03      
11 A' 1272 1196 0.17      
12 A' 1154 1085 1.99      
13 A' 1116 1049 0.09      
14 A' 997 937 0.63      
15 A' 933 877 1.71      
16 A' 773 726 1.11      
17 A' 590 555 1.20      
18 A' 541 509 0.39      
19 A' 291 274 1.60      
20 A' 145 137 3.27      
21 A" 3222 3028 9.73      
22 A" 3149 2959 25.51      
23 A" 1510 1419 1.75      
24 A" 1304 1225 1.72      
25 A" 1281 1204 0.79      
26 A" 1266 1190 0.18      
27 A" 1228 1154 0.48      
28 A" 1066 1002 0.01      
29 A" 984 925 0.17      
30 A" 973 914 2.09      
31 A" 809 760 1.57      
32 A" 562 528 0.11      
33 A" 190 178 4.64      

Unscaled Zero Point Vibrational Energy (zpe) 24605.8 cm-1
Scaled (by 0.9399) Zero Point Vibrational Energy (zpe) 23127.0 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 MP2=FULL/6-31G(2df,p)
ABC
0.33392 0.07984 0.07062

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/6-31G(2df,p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 1.641 2.100 0.000
C2 0.745 1.346 0.000
C3 -0.339 0.393 0.000
C4 -0.920 -1.663 0.000
C5 -0.339 -0.722 1.072
C6 -0.339 -0.722 -1.072
H7 -1.294 0.918 0.000
H8 -2.009 -1.631 0.000
H9 -0.591 -2.699 0.000
H10 0.684 -0.997 1.325
H11 -0.905 -0.541 1.982
H12 0.684 -0.997 -1.325
H13 -0.905 -0.541 -1.982

Atom - Atom Distances (Å)
  N1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13
N11.17042.61354.55193.60993.60993.16405.21885.29273.50204.16963.50204.1696
C21.17041.44323.43972.56962.56962.08384.05554.26062.69313.19612.69313.1961
C32.61351.44322.13731.54711.54711.09012.62423.10292.17592.26332.17592.2633
C44.55193.43972.13731.54031.54032.60841.08891.08682.18422.27752.18422.2775
C53.60992.56961.54711.54032.14372.18012.18242.26291.08861.08712.62013.1111
C63.60992.56961.54711.54032.14372.18012.18242.26292.62013.11111.08861.0871
H73.16402.08381.09012.60842.18012.18012.64733.68503.05562.49183.05562.4918
H85.21884.05552.62421.08892.18242.18242.64731.77473.06662.51643.06662.5164
H95.29274.26063.10291.08682.26292.26293.68501.77472.50532.94672.50532.9467
H103.50202.69312.17592.18421.08862.62013.05563.06662.50531.77882.64963.6969
H114.16963.19612.26332.27751.08713.11112.49182.51642.94671.77883.69693.9637
H123.50202.69312.17592.18422.62011.08863.05563.06662.50532.64963.69691.7788
H134.16963.19612.26332.27753.11111.08712.49182.51642.94673.69693.96371.7788

picture of Cyclobutanecarbonitrile state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C2 C3 178.737 C2 C3 C5 118.438
C2 C3 C6 118.438 C2 C3 H7 109.899
C3 C5 C4 87.619 C3 C5 H10 110.077
C3 C5 H11 117.381 C3 C6 C4 87.619
C3 C6 H12 110.077 C3 C6 H13 117.381
C4 C5 H10 111.210 C4 C5 H11 119.179
C4 C6 H12 111.210 C4 C6 H13 119.179
C5 C3 C6 87.707 C5 C3 H7 110.310
C5 C4 C6 88.195 C5 C4 H8 111.048
C5 C4 H9 117.913 C6 C3 H7 110.310
C6 C4 H8 111.048 C6 C4 H9 117.913
H8 C4 H9 109.313 H10 C5 H11 109.692
H12 C6 H13 109.692
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability