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All results from a given calculation for C4H7NO (Ethoxyacetonitrile)

using model chemistry: B1B95/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B1B95/6-31+G**
 hartrees
Energy at 0K-286.461607
Energy at 298.15K-286.469380
HF Energy-286.461607
Nuclear repulsion energy216.653453
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 B1B95/6-31+G**
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' 3169 3032 18.17      
2 A' 3084 2950 14.41      
3 A' 3013 2882 63.82      
4 A' 3008 2877 21.98      
5 A' 2408 2303 1.03      
6 A' 1532 1466 4.56      
7 A' 1505 1440 2.05      
8 A' 1499 1434 6.93      
9 A' 1452 1389 8.75      
10 A' 1409 1348 23.54      
11 A' 1382 1322 51.90      
12 A' 1194 1143 219.94      
13 A' 1157 1107 20.10      
14 A' 1072 1026 20.96      
15 A' 967 925 6.64      
16 A' 912 872 5.18      
17 A' 558 534 0.73      
18 A' 421 403 1.22      
19 A' 299 286 2.06      
20 A' 133 127 3.32      
21 A" 3176 3038 19.14      
22 A" 3051 2918 4.95      
23 A" 3042 2910 63.55      
24 A" 1487 1422 8.43      
25 A" 1306 1249 3.65      
26 A" 1262 1208 3.64      
27 A" 1184 1133 7.08      
28 A" 1027 983 1.25      
29 A" 824 789 0.76      
30 A" 375 358 1.20      
31 A" 244 233 0.35      
32 A" 115 110 7.55      
33 A" 78 74 0.07      

Unscaled Zero Point Vibrational Energy (zpe) 23671.7 cm-1
Scaled (by 0.9566) Zero Point Vibrational Energy (zpe) 22644.3 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 B1B95/6-31+G**
ABC
0.52875 0.05001 0.04690

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/6-31+G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.958 2.529 0.000
C2 -1.240 1.048 0.000
O3 0.000 0.360 0.000
C4 -0.169 -1.028 0.000
C5 1.141 -1.679 0.000
N6 2.159 -2.228 0.000
H7 -1.895 3.089 0.000
H8 -0.386 2.810 0.885
H9 -0.386 2.810 -0.885
H10 -1.821 0.759 -0.887
H11 -1.821 0.759 0.887
H12 -0.722 -1.369 -0.887
H13 -0.722 -1.369 0.887

Atom - Atom Distances (Å)
  C1 C2 O3 C4 C5 N6 H7 H8 H9 H10 H11 H12 H13
C11.50802.37133.64334.70255.68701.09161.09071.09072.15992.15994.00504.0050
C21.50801.41762.33513.61954.71982.14402.14932.14931.09951.09952.62592.6259
O32.37131.41761.39802.33643.36993.32252.63372.63372.06492.06492.07342.0734
C43.64332.33511.39801.46292.61904.46383.94473.94472.59032.59031.09981.0998
C54.70253.61952.33641.46291.15655.65254.82374.82373.93773.93772.08662.0866
N65.68704.71983.36992.61901.15656.68595.71325.71325.05475.05473.13453.1345
H71.09162.14403.32254.46385.65256.68591.77171.77172.49412.49414.69444.6944
H81.09072.14932.63373.94474.82375.71321.77171.76993.06742.50364.55224.1932
H91.09072.14932.63373.94474.82375.71321.77171.76992.50363.06744.19324.5522
H102.15991.09952.06492.59033.93775.05472.49413.06742.50361.77482.39542.9809
H112.15991.09952.06492.59033.93775.05472.49412.50363.06741.77482.98092.3954
H124.00502.62592.07341.09982.08663.13454.69444.55224.19322.39542.98091.7739
H134.00502.62592.07341.09982.08663.13454.69444.19324.55222.98092.39541.7739

picture of Ethoxyacetonitrile state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 O3 108.257 C1 C2 H10 110.882
C1 C2 H11 110.882 C2 C1 H7 110.095
C2 C1 H8 110.566 C2 C1 H9 110.566
C2 O3 C4 112.066 O3 C2 H10 109.594
O3 C2 H11 109.594 O3 C4 C5 109.490
O3 C4 H12 111.666 O3 C4 H13 111.666
C4 C5 N6 178.120 C5 C4 H12 108.191
C5 C4 H13 108.191 H7 C1 H8 108.552
H7 C1 H9 108.552 H8 C1 H9 108.448
H10 C2 H11 107.622 H12 C4 H13 107.508
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability