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All results from a given calculation for C2H5NO3 (Nitric acid, ethyl ester)

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

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A'
Energy calculated at QCISD/6-31+G**
 hartrees
Energy at 0K-358.578744
Energy at 298.15K-358.586663
HF Energy-357.522588
Nuclear repulsion energy250.372665
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 QCISD/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' 3197 3023 17.47      
2 A' 3144 2972 10.17      
3 A' 3113 2943 13.88      
4 A' 1697 1604 483.68      
5 A' 1567 1482 3.12      
6 A' 1545 1461 5.52      
7 A' 1475 1395 3.93      
8 A' 1435 1356 11.66      
9 A' 1347 1273 268.75      
10 A' 1170 1106 9.48      
11 A' 1072 1013 75.01      
12 A' 959 907 109.21      
13 A' 893 844 123.15      
14 A' 721 681 4.74      
15 A' 571 540 3.73      
16 A' 385 364 1.53      
17 A' 232 219 0.49      
18 A" 3217 3042 30.76      
19 A" 3197 3022 0.08      
20 A" 1530 1447 6.57      
21 A" 1312 1240 0.72      
22 A" 1208 1142 4.18      
23 A" 845 799 0.00      
24 A" 764 722 12.65      
25 A" 255 241 0.50      
26 A" 113 107 1.36      
27 A" 98 93 0.52      

Unscaled Zero Point Vibrational Energy (zpe) 18530.2 cm-1
Scaled (by 0.9454) Zero Point Vibrational Energy (zpe) 17518.5 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 QCISD/6-31+G**
ABC
0.32910 0.07340 0.06140

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 1.103 -0.304 0.000
O2 0.000 0.562 0.000
O3 2.164 0.281 0.000
O4 0.881 -1.506 0.000
C5 -1.287 -0.124 0.000
C6 -2.319 0.985 0.000
H7 -1.351 -0.751 0.888
H8 -1.351 -0.751 -0.888
H9 -3.316 0.542 0.000
H10 -2.216 1.610 0.887
H11 -2.216 1.610 -0.887

Atom - Atom Distances (Å)
  N1 O2 O3 O4 C5 C6 H7 H8 H9 H10 H11
N11.40231.21211.22192.39623.65642.64712.64714.49853.93213.9321
O21.40232.18252.24771.45832.35712.08282.08283.31562.60642.6064
O31.21212.18252.19973.47474.53813.76943.76945.48614.66234.6623
O41.22192.24772.19972.57064.05512.51742.51744.66934.48134.4813
C52.39621.45833.47472.57061.51521.08911.08912.13532.15772.1577
C63.65642.35714.53814.05511.51522.17762.17761.09101.08961.0896
H72.64712.08283.76942.51741.08912.17761.77582.51432.51473.0779
H82.64712.08283.76942.51741.08912.17761.77582.51433.07792.5147
H94.49853.31565.48614.66932.13531.09102.51432.51431.77111.7711
H103.93212.60644.66234.48132.15771.08962.51473.07791.77111.7738
H113.93212.60644.66234.48132.15771.08963.07792.51471.77111.7738

picture of Nitric acid, ethyl ester state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 O2 C5 113.776 O2 N1 O3 112.991
O2 N1 O4 117.697 O2 C5 C6 104.861
O2 C5 H7 108.833 O2 C5 H8 108.833
O3 N1 O4 129.312 C5 C6 H9 108.942
C5 C6 H10 110.805 C5 C6 H11 110.805
C6 C5 H7 112.447 C6 C5 H8 112.447
H7 C5 H8 109.235 H9 C6 H10 108.630
H9 C6 H11 108.630 H10 C6 H11 108.975
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability