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All results from a given calculation for C5H7N (Cyclobutanecarbonitrile)

using model chemistry: MP2/6-311G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP2/6-311G*
 hartrees
Energy at 0K-248.719964
Energy at 298.15K-248.727934
HF Energy-247.875281
Nuclear repulsion energy210.659089
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 MP2/6-311G*
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' 3190 3031 36.88      
2 A' 3170 3012 8.34      
3 A' 3119 2964 3.78      
4 A' 3112 2957 3.36      
5 A' 3108 2954 23.11      
6 A' 2187 2078 0.04      
7 A' 1553 1476 1.34      
8 A' 1527 1451 6.60      
9 A' 1391 1322 2.15      
10 A' 1294 1230 3.20      
11 A' 1262 1199 0.05      
12 A' 1154 1096 2.00      
13 A' 1105 1050 0.15      
14 A' 983 934 0.94      
15 A' 926 880 2.18      
16 A' 769 731 1.59      
17 A' 588 558 0.72      
18 A' 528 502 0.91      
19 A' 286 272 0.78      
20 A' 147 140 3.26      
21 A" 3181 3023 15.59      
22 A" 3111 2956 37.56      
23 A" 1517 1442 3.83      
24 A" 1298 1233 4.10      
25 A" 1270 1206 0.73      
26 A" 1262 1200 0.16      
27 A" 1221 1161 0.70      
28 A" 1053 1001 0.00      
29 A" 971 923 0.63      
30 A" 959 911 2.61      
31 A" 807 767 1.45      
32 A" 530 503 0.01      
33 A" 177 168 3.98      

Unscaled Zero Point Vibrational Energy (zpe) 24376.3 cm-1
Scaled (by 0.9503) Zero Point Vibrational Energy (zpe) 23164.8 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 MP2/6-311G*
ABC
0.33022 0.07885 0.06977

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/6-311G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 1.676 2.079 0.000
C2 0.751 1.357 0.000
C3 -0.349 0.403 0.000
C4 -0.923 -1.669 0.000
C5 -0.349 -0.719 1.078
C6 -0.349 -0.719 -1.078
H7 -1.302 0.941 0.000
H8 -2.016 -1.675 0.000
H9 -0.563 -2.700 0.000
H10 0.671 -0.987 1.365
H11 -0.941 -0.531 1.975
H12 0.671 -0.987 -1.365
H13 -0.941 -0.531 -1.975

Atom - Atom Distances (Å)
  N1 C2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13
N11.17392.62854.56113.61753.61753.18815.26535.27743.50334.19053.50334.1905
C21.17391.45553.45792.58382.58382.09444.10434.26392.71323.21322.71323.2132
C32.62851.45552.15021.55521.55521.09462.66413.11012.19872.26362.19872.2636
C44.56113.45792.15021.54751.54752.63751.09311.09162.20652.28012.20652.2801
C53.61752.58381.55521.54752.15512.19622.20362.26551.09271.09182.66043.1155
C63.61752.58381.55521.54752.15512.19622.20362.26552.66043.11551.09271.0918
H73.18812.09441.09462.63752.19622.19622.71153.71493.07752.48953.07752.4895
H85.26534.10432.66411.09312.20362.20362.71151.77803.09122.52343.09122.5234
H95.27744.26393.11011.09162.26552.26553.71491.77802.51392.95812.51392.9581
H103.50332.71322.19872.20651.09272.66043.07753.09122.51391.78272.73013.7368
H114.19053.21322.26362.28011.09183.11552.48952.52342.95811.78273.73683.9508
H123.50332.71322.19872.20652.66041.09273.07753.09122.51392.73013.73681.7827
H134.19053.21322.26362.28013.11551.09182.48952.52342.95813.73683.95081.7827

picture of Cyclobutanecarbonitrile state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C2 C3 177.037 C2 C3 C5 118.196
C2 C3 C6 118.196 C2 C3 H7 109.620
C3 C5 C4 87.738 C3 C5 H10 111.065
C3 C5 H11 116.465 C3 C6 C4 87.738
C3 C6 H12 111.065 C3 C6 H13 116.465
C4 C5 H10 112.245 C4 C5 H11 118.497
C4 C6 H12 112.245 C4 C6 H13 118.497
C5 C3 C6 87.715 C5 C3 H7 110.758
C5 C4 C6 88.265 C5 C4 H8 111.981
C5 C4 H9 117.237 C6 C3 H7 110.758
C6 C4 H8 111.981 C6 C4 H9 117.237
H8 C4 H9 108.948 H10 C5 H11 109.382
H12 C6 H13 109.382
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability