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All results from a given calculation for NH2COOC2H5 (Urethane)

using model chemistry: BLYP/6-31G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at BLYP/6-31G**
 hartrees
Energy at 0K-323.650424
Energy at 298.15K-323.659379
Nuclear repulsion energy243.140251
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 BLYP/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 3595 3568 25.19      
2 A 3476 3449 9.77      
3 A 3067 3043 24.19      
4 A 3055 3032 22.62      
5 A 2985 2962 16.09      
6 A 2981 2958 28.17      
7 A 2913 2891 48.08      
8 A 1783 1769 389.11      
9 A 1586 1573 103.00      
10 A 1495 1484 1.21      
11 A 1477 1466 4.84      
12 A 1462 1451 4.43      
13 A 1393 1383 4.86      
14 A 1370 1359 10.11      
15 A 1277 1267 288.05      
16 A 1265 1256 34.82      
17 A 1144 1135 4.36      
18 A 1115 1106 9.87      
19 A 1057 1049 28.73      
20 A 1026 1018 147.73      
21 A 947 940 28.17      
22 A 819 813 6.59      
23 A 815 809 8.72      
24 A 723 718 31.57      
25 A 556 552 57.88      
26 A 532 528 64.49      
27 A 529 525 12.80      
28 A 407 404 91.42      
29 A 364 361 4.41      
30 A 255 253 0.58      
31 A 208 206 1.98      
32 A 108 107 1.38      
33 A 84 83 1.21      

Unscaled Zero Point Vibrational Energy (zpe) 22933.3 cm-1
Scaled (by 0.9923) Zero Point Vibrational Energy (zpe) 22756.7 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 BLYP/6-31G**
ABC
0.28582 0.06905 0.05701

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

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 2.587 -0.249 0.052
H2 2.737 -0.857 -0.853
H3 3.411 0.478 0.126
H4 2.626 -0.914 0.927
C5 1.246 0.482 -0.006
H6 1.081 1.089 0.902
H7 1.214 1.154 -0.886
O8 0.205 -0.529 -0.116
N9 -1.411 1.178 0.085
H10 -0.790 1.855 -0.354
H11 -2.402 1.379 -0.025
C12 -1.130 -0.186 -0.013
O13 -1.982 -1.060 0.038

Atom - Atom Distances (Å)
  C1 H2 H3 H4 C5 H6 H7 O8 N9 H10 H11 C12 O13
C11.10011.10151.09991.52832.18642.17642.40434.24493.99905.24873.71824.6407
H21.10011.78731.78422.17553.09932.52342.65714.71394.47635.66514.01334.8064
H31.10151.78731.78782.16862.53062.51203.36924.87254.44655.88464.59155.6091
H41.09991.78421.78782.17352.52963.09232.66444.62414.57975.60773.94014.6957
C51.52832.17552.16862.17351.10391.10821.45602.74812.47983.75722.46873.5786
H62.18643.09932.53062.52961.10391.79402.10272.62402.37973.61622.71153.8408
H72.17642.52342.51203.09231.10821.79402.10842.79832.18793.72412.83763.9967
O82.40432.65713.36922.66441.45602.10272.10842.35882.59373.23171.38222.2560
N94.24494.71394.87254.62412.74812.62402.79832.35881.01771.01761.39592.3108
H103.99904.47634.44654.57972.47982.37972.18792.59371.01771.71352.09653.1738
H115.24875.66515.88465.60773.75723.61623.72413.23171.01761.71352.01632.4756
C123.71824.01334.59153.94012.46872.71152.83761.38221.39592.09652.01631.2221
O134.64074.80645.60914.69573.57863.84083.99672.25602.31083.17382.47561.2221

picture of Urethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C5 H6 111.302 C1 C5 H7 110.254
C1 C5 O8 107.324 H2 C1 H3 108.551
H2 C1 H4 108.393 H2 C1 C5 110.667
H3 C1 H4 108.605 H3 C1 C5 110.045
H4 C1 C5 110.519 C5 O8 C12 120.856
H6 C5 H7 108.390 H6 C5 O8 109.684
H7 C5 O8 109.883 O8 C12 N9 116.226
O8 C12 O13 119.925 N9 C12 O13 123.789
H10 N9 H11 114.685 H10 N9 C12 119.780
H11 N9 C12 112.384
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.299      
2 H 0.118      
3 H 0.097      
4 H 0.120      
5 C 0.048      
6 H 0.105      
7 H 0.082      
8 O -0.416      
9 N -0.565      
10 H 0.246      
11 H 0.265      
12 C 0.652      
13 O -0.452      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  2.213 4.053 -0.695 4.670
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -35.020 -5.692 1.181
y -5.692 -35.719 -1.595
z 1.181 -1.595 -35.901
Traceless
 xyz
x 0.789 -5.692 1.181
y -5.692 -0.259 -1.595
z 1.181 -1.595 -0.531
Polar
3z2-r2-1.062
x2-y20.699
xy-5.692
xz1.181
yz-1.595


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 0.000 0.000 0.000
y 0.000 0.000 0.000
z 0.000 0.000 0.000


<r2> (average value of r2) Å2
<r2> 196.193
(<r2>)1/2 14.007