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All results from a given calculation for C4H10O2 (1,4-Butanediol)

using model chemistry: MP2/cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2H 1Ag
Energy calculated at MP2/cc-pVTZ
 hartrees
Energy at 0K-308.302181
Energy at 298.15K-308.313795
Nuclear repulsion energy245.807008
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/cc-pVTZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 Ag 3866 3671 0.00      
2 Ag 3075 2919 0.00      
3 Ag 3034 2881 0.00      
4 Ag 1542 1464 0.00      
5 Ag 1503 1427 0.00      
6 Ag 1468 1394 0.00      
7 Ag 1384 1314 0.00      
8 Ag 1275 1211 0.00      
9 Ag 1099 1044 0.00      
10 Ag 1085 1030 0.00      
11 Ag 1056 1002 0.00      
12 Ag 361 342 0.00      
13 Ag 339 322 0.00      
14 Au 3145 2986 60.54      
15 Au 3078 2922 62.52      
16 Au 1336 1268 1.49      
17 Au 1228 1166 2.71      
18 Au 955 907 1.72      
19 Au 764 725 0.48      
20 Au 266 252 214.74      
21 Au 92 88 14.87      
22 Au 80 76 6.19      
23 Bg 3124 2966 0.00      
24 Bg 3079 2923 0.00      
25 Bg 1327 1260 0.00      
26 Bg 1298 1233 0.00      
27 Bg 1186 1126 0.00      
28 Bg 822 781 0.00      
29 Bg 263 249 0.00      
30 Bg 157 149 0.00      
31 Bu 3866 3671 74.21      
32 Bu 3083 2928 52.62      
33 Bu 3034 2880 89.98      
34 Bu 1545 1467 5.17      
35 Bu 1513 1437 3.84      
36 Bu 1468 1394 11.56      
37 Bu 1306 1240 75.81      
38 Bu 1215 1154 26.04      
39 Bu 1092 1037 208.29      
40 Bu 1017 966 0.52      
41 Bu 524 497 37.06      
42 Bu 135 128 5.92      

Unscaled Zero Point Vibrational Energy (zpe) 31539.8 cm-1
Scaled (by 0.9495) Zero Point Vibrational Energy (zpe) 29947.1 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/cc-pVTZ
ABC
0.57725 0.03866 0.03724

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/cc-pVTZ

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 1.495 2.643 0.000
O2 -1.495 -2.643 0.000
C3 1.495 1.221 0.000
C4 -1.495 -1.221 0.000
C5 0.055 0.759 0.000
C6 -0.055 -0.759 0.000
H7 2.410 2.937 0.000
H8 -2.410 -2.937 0.000
H9 -0.442 1.176 0.877
H10 -0.442 1.176 -0.877
H11 0.442 -1.176 0.877
H12 0.442 -1.176 -0.877
H13 -2.006 -0.828 -0.884
H14 -2.006 -0.828 0.884
H15 2.006 0.828 -0.884
H16 2.006 0.828 0.884

Atom - Atom Distances (Å)
  O1 O2 C3 C4 C5 C6 H7 H8 H9 H10 H11 H12 H13 H14 H15 H16
O16.07361.42274.88562.37143.73870.96076.81052.58312.58314.05814.05815.00895.00892.08322.0832
O26.07364.88561.42273.73872.37146.81050.96074.05814.05812.58312.58312.08322.08325.00895.0089
C31.42274.88563.85981.51172.51421.94475.70342.12632.12632.76112.76114.15174.15171.09441.0944
C44.88561.42273.85982.51421.51175.70341.94472.76112.76112.12632.12631.09441.09444.15174.1517
C52.37143.73871.51172.51421.52163.20724.44221.09131.09132.15932.15932.74772.74772.14312.1431
C63.73872.37142.51421.51171.52164.44223.20722.15932.15931.09131.09132.14312.14312.74772.7477
H70.96076.81051.94475.70343.20724.44227.59763.46393.46394.64324.64325.86985.86982.32212.3221
H86.81050.96075.70341.94474.44223.20727.59764.64324.64323.46393.46392.32212.32215.86985.8698
H92.58314.05812.12632.76111.09132.15933.46394.64321.75492.51253.06463.09322.54253.03592.4726
H102.58314.05812.12632.76111.09132.15933.46394.64321.75493.06462.51252.54253.09322.47263.0359
H114.05812.58312.76112.12632.15931.09134.64323.46392.51253.06461.75493.03592.47263.09322.5425
H124.05812.58312.76112.12632.15931.09134.64323.46393.06462.51251.75492.47263.03592.54253.0932
H135.00892.08324.15171.09442.74772.14315.86982.32213.09322.54253.03592.47261.76834.34094.6872
H145.00892.08324.15171.09442.74772.14315.86982.32212.54253.09322.47263.03591.76834.68724.3409
H152.08325.00891.09444.15172.14312.74772.32215.86983.03592.47263.09322.54254.34094.68721.7683
H162.08325.00891.09444.15172.14312.74772.32215.86982.47263.03592.54253.09324.68724.34091.7683

picture of 1,4-Butanediol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 C3 C5 107.790 O1 C3 H15 111.036
O1 C3 H16 111.036 O2 C4 C6 107.790
O2 C4 H13 111.036 O2 C4 H14 111.036
C3 O1 H7 107.781 C3 C5 C6 111.967
C3 C5 H9 108.465 C3 C5 H10 108.465
C4 O2 H8 107.781 C4 C6 C5 111.967
C4 C6 H11 108.465 C4 C6 H12 108.465
C5 C3 H15 109.598 C5 C3 H16 109.598
C5 C6 H11 110.378 C5 C6 H12 110.378
C6 C4 H13 109.598 C6 C4 H14 109.598
C6 C5 H9 110.378 C6 C5 H10 110.378
H9 C5 H10 107.031 H11 C6 H12 107.031
H13 C4 H14 107.777 H15 C3 H16 107.777
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability