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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-323.545795
Energy at 298.15K-323.554611
Nuclear repulsion energy240.134049
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 3654 3626 26.32      
2 A 3523 3496 16.81      
3 A 3078 3055 28.28      
4 A 3059 3036 25.10      
5 A 2986 2963 19.26      
6 A 2983 2960 43.79      
7 A 2936 2914 33.64      
8 A 1704 1691 371.45      
9 A 1627 1614 92.68      
10 A 1519 1507 1.32      
11 A 1507 1495 9.72      
12 A 1492 1480 6.48      
13 A 1423 1412 5.28      
14 A 1373 1363 12.92      
15 A 1275 1265 0.21      
16 A 1266 1257 338.42      
17 A 1137 1128 4.02      
18 A 1119 1111 3.33      
19 A 1053 1045 15.39      
20 A 1000 992 67.03      
21 A 920 913 110.33      
22 A 842 836 1.42      
23 A 780 774 15.82      
24 A 703 698 56.25      
25 A 544 540 127.86      
26 A 540 536 3.89      
27 A 513 509 7.20      
28 A 390 387 158.21      
29 A 358 355 0.51      
30 A 242 241 0.00      
31 A 198 197 3.58      
32 A 96 96 0.55      
33 A 66 66 0.08      

Unscaled Zero Point Vibrational Energy (zpe) 22952.3 cm-1
Scaled (by 0.9924) Zero Point Vibrational Energy (zpe) 22777.9 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
0.28189 0.06694 0.05525

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 -2.617 -0.260 0.000
H2 -2.695 -0.900 0.893
H3 -3.460 0.451 0.000
H4 -2.695 -0.900 -0.893
C5 -1.287 0.497 -0.000
H6 -1.187 1.129 -0.902
H7 -1.186 1.129 0.902
O8 -0.212 -0.540 -0.000
N9 1.438 1.181 0.000
H10 0.737 1.914 -0.000
H11 2.417 1.446 0.000
C12 1.156 -0.177 -0.000
O13 2.023 -1.071 0.000

Atom - Atom Distances (Å)
  C1 H2 H3 H4 C5 H6 H7 O8 N9 H10 H11 C12 O13
C11.10101.10361.10101.52982.18842.18842.42134.30273.99695.31483.77334.7100
H21.10101.79131.78592.17453.10052.52792.66334.71184.52685.69454.01824.8046
H31.10361.79131.79132.17332.53792.53803.39644.95164.44485.96044.65845.6906
H41.10101.78591.79132.17452.52793.10052.66334.71204.52685.69474.01844.8048
C51.52982.17452.17332.17451.10641.10641.49382.80932.47123.82382.53423.6627
H62.18843.10052.53792.52791.10641.80452.13322.77572.26533.72842.82983.9948
H72.18842.52792.53803.10051.10641.80452.13322.77532.26533.72812.82953.9944
O82.42132.66333.39642.66331.49382.13322.13322.38342.63073.29431.41472.2969
N94.30274.71184.95164.71202.80932.77572.77532.38341.01361.01461.38682.3267
H103.99694.52684.44484.52682.47122.26532.26532.63071.01361.74332.13223.2498
H115.31485.69455.96045.69473.82383.72843.72813.29431.01461.74332.05542.5477
C123.77334.01824.65844.01842.53422.82982.82951.41471.38682.13222.05541.2456
O134.71004.80465.69064.80483.66273.99483.99442.29692.32673.24982.54771.2456

picture of Urethane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C5 H6 111.209 C1 C5 H7 111.209
C1 C5 O8 106.401 H2 C1 H3 108.682
H2 C1 H4 108.388 H2 C1 C5 110.428
H3 C1 H4 108.682 H3 C1 C5 110.179
H4 C1 C5 110.428 C5 O8 C12 121.194
H6 C5 H7 109.275 H6 C5 O8 109.342
H7 C5 O8 109.342 O8 C12 N9 116.587
O8 C12 O13 119.268 N9 C12 O13 124.145
H10 N9 H11 118.536 H10 N9 C12 124.585
H11 N9 C12 116.879
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 -0.366      
2 H 0.152      
3 H 0.124      
4 H 0.152      
5 C -0.035      
6 H 0.129      
7 H 0.129      
8 O -0.440      
9 N -0.666      
10 H 0.305      
11 H 0.321      
12 C 0.593      
13 O -0.396      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -2.443 4.957 -0.001 5.526
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -35.370 6.492 -0.001
y 6.492 -35.652 -0.002
z -0.001 -0.002 -36.504
Traceless
 xyz
x 0.708 6.492 -0.001
y 6.492 0.285 -0.002
z -0.001 -0.002 -0.994
Polar
3z2-r2-1.987
x2-y20.282
xy6.492
xz-0.001
yz-0.002


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> 201.378
(<r2>)1/2 14.191